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Posted to commits@iotdb.apache.org by hx...@apache.org on 2020/11/27 04:21:31 UTC

[iotdb-website] branch asf-site updated: releasing 0.11.0

This is an automated email from the ASF dual-hosted git repository.

hxd pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/iotdb-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new aefdf6d  releasing 0.11.0
aefdf6d is described below

commit aefdf6d69a737a0fdb883471f25b760ddf698219
Author: xiangdong huang <sa...@gmail.com>
AuthorDate: Fri Nov 27 12:20:47 2020 +0800

    releasing 0.11.0
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 zh/index.html                                      |    8 +-
 1246 files changed, 4881 insertions(+), 2951 deletions(-)

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      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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@@ -52,6 +52,6 @@
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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@@ -52,6 +52,6 @@
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@@ -55,6 +55,6 @@ it is recommended  gmail mailbox).</li></ul></li> <li><p>JIRA issue: https://iss
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/15.5279267e.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/15.d5c145b6.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/Community/Materials.html b/Community/Materials.html
index 1836ded..7f241fb 100644
--- a/Community/Materials.html
+++ b/Community/Materials.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/16.da1cb970.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -52,6 +52,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/16.9d83cb2c.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/16.da1cb970.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/Committer.html b/Development/Committer.html
index 591e3dd..2c893c6 100644
--- a/Development/Committer.html
+++ b/Development/Committer.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/17.a9b32e43.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -53,6 +53,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/17.9ba04d92.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/17.a9b32e43.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/ContributeGuide.html b/Development/ContributeGuide.html
index fbc031d..961caba 100644
--- a/Development/ContributeGuide.html
+++ b/Development/ContributeGuide.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/18.f477ec91.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/18.55e954a9.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -56,6 +56,6 @@ Instead, you just need to click &quot;start-watching this issue&quot; on the jir
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/18.f477ec91.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/18.55e954a9.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/HowToCommit.html b/Development/HowToCommit.html
index a187e37..1423b90 100644
--- a/Development/HowToCommit.html
+++ b/Development/HowToCommit.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/19.d02f7224.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -70,6 +70,6 @@ git rebase --continue
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/19.72d80820.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/19.d02f7224.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/VoteRelease.html b/Development/VoteRelease.html
index d261022..02b37e4 100644
--- a/Development/VoteRelease.html
+++ b/Development/VoteRelease.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/20.4bdfbbe8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/20.6b5686c8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -132,6 +132,6 @@ find **/src -type f -exec grep -i &quot;copyright&quot; {} \; -print | sort -u
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/20.4bdfbbe8.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/20.6b5686c8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/format-changelist.html b/Development/format-changelist.html
index 54c523b..25e6308 100644
--- a/Development/format-changelist.html
+++ b/Development/format-changelist.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/21.f8b3c5f4.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/21.f8b3c5f4.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -52,6 +52,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/21.f8b3c5f4.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/21.f8b3c5f4.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Development/rpc-changelist.html b/Development/rpc-changelist.html
index df44bb5..f3ff2fd 100644
--- a/Development/rpc-changelist.html
+++ b/Development/rpc-changelist.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/22.ab7a2af8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/22.707b0d0d.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -52,6 +52,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/22.ab7a2af8.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/22.707b0d0d.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Download/index.html b/Download/index.html
index 2548213..778bb87 100644
--- a/Download/index.html
+++ b/Download/index.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/23.98a4658a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/23.98a4658a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@ You can also modify other settings if you want.</li> <li>Stop IoTDB v0.8 instanc
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/23.98a4658a.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/23.98a4658a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/Architecture/Architecture.html b/SystemDesign/Architecture/Architecture.html
index 0f31d98..e57a528 100644
--- a/SystemDesign/Architecture/Architecture.html
+++ b/SystemDesign/Architecture/Architecture.html
@@ -12,7 +12,7 @@
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@@ -56,6 +56,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/25.bc6a97e8.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/Client/RPC.html b/SystemDesign/Client/RPC.html
index 08c3fa4..7202e92 100644
--- a/SystemDesign/Client/RPC.html
+++ b/SystemDesign/Client/RPC.html
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   <body>
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/26.2792deb2.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/Connector/Hive-TsFile.html b/SystemDesign/Connector/Hive-TsFile.html
index 935a510..a9b170e 100644
--- a/SystemDesign/Connector/Hive-TsFile.html
+++ b/SystemDesign/Connector/Hive-TsFile.html
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   <body>
@@ -70,6 +70,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/27.0b57c820.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/Connector/Spark-IOTDB.html b/SystemDesign/Connector/Spark-IOTDB.html
index fd5b1ab..cb13880 100644
--- a/SystemDesign/Connector/Spark-IOTDB.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/28.902cf242.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/Connector/Spark-TsFile.html b/SystemDesign/Connector/Spark-TsFile.html
index f83345f..e449451 100644
--- a/SystemDesign/Connector/Spark-TsFile.html
+++ b/SystemDesign/Connector/Spark-TsFile.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -68,6 +68,6 @@ The main logic is inferSchema function in src / main / scala / org / apache / io
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/29.8878a84b.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/29.8878a84b.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/AggregationQuery.html b/SystemDesign/DataQuery/AggregationQuery.html
index 0896c17..31e22d3 100644
--- a/SystemDesign/DataQuery/AggregationQuery.html
+++ b/SystemDesign/DataQuery/AggregationQuery.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -118,6 +118,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/30.ee5523ce.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/AlignByDeviceQuery.html b/SystemDesign/DataQuery/AlignByDeviceQuery.html
index ecdeda3..677a72b 100644
--- a/SystemDesign/DataQuery/AlignByDeviceQuery.html
+++ b/SystemDesign/DataQuery/AlignByDeviceQuery.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -148,6 +148,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/31.726da8fb.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/DataQuery.html b/SystemDesign/DataQuery/DataQuery.html
index 095a8cb..979af17 100644
--- a/SystemDesign/DataQuery/DataQuery.html
+++ b/SystemDesign/DataQuery/DataQuery.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/32.bad93e79.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/FillFunction.html b/SystemDesign/DataQuery/FillFunction.html
index 717f985..7035171 100644
--- a/SystemDesign/DataQuery/FillFunction.html
+++ b/SystemDesign/DataQuery/FillFunction.html
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -136,6 +136,6 @@ lBoundTime   lBoundTime            queryTime
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/33.f3563689.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/GroupByFillQuery.html b/SystemDesign/DataQuery/GroupByFillQuery.html
index 84aece1..70db796 100644
--- a/SystemDesign/DataQuery/GroupByFillQuery.html
+++ b/SystemDesign/DataQuery/GroupByFillQuery.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/34.6b0c9f89.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/34.9f04d909.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -118,6 +118,6 @@ private long[] lastTimeArray;
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/34.6b0c9f89.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/34.9f04d909.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/GroupByQuery.html b/SystemDesign/DataQuery/GroupByQuery.html
index 03480c6..7edda97 100644
--- a/SystemDesign/DataQuery/GroupByQuery.html
+++ b/SystemDesign/DataQuery/GroupByQuery.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/35.99f1de20.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/35.99f1de20.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -206,6 +206,6 @@ if (batchData.getMaxTimestamp() &gt;= curEndTime) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/35.99f1de20.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/35.99f1de20.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/LastQuery.html b/SystemDesign/DataQuery/LastQuery.html
index a8cb692..7f74257 100644
--- a/SystemDesign/DataQuery/LastQuery.html
+++ b/SystemDesign/DataQuery/LastQuery.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/36.3fb8974c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/36.e0051705.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -131,6 +131,6 @@ for (TsFileResource resource : unseqFileResources) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/36.3fb8974c.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/36.e0051705.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/QueryFundamentals.html b/SystemDesign/DataQuery/QueryFundamentals.html
index 1828f96..741acdc 100644
--- a/SystemDesign/DataQuery/QueryFundamentals.html
+++ b/SystemDesign/DataQuery/QueryFundamentals.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/37.c72b6907.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/37.c72b6907.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -97,6 +97,6 @@ IPageReader.getAllSatisfiedPageData()
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/37.c72b6907.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/37.c72b6907.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/RawDataQuery.html b/SystemDesign/DataQuery/RawDataQuery.html
index 053e9d3..9aa4cc8 100644
--- a/SystemDesign/DataQuery/RawDataQuery.html
+++ b/SystemDesign/DataQuery/RawDataQuery.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/38.eadbf912.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/38.2334aea2.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -218,6 +218,6 @@ for (int seriesIndex = 0; seriesIndex &lt; seriesNum; seriesIndex++) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/38.eadbf912.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/38.2334aea2.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/DataQuery/SeriesReader.html b/SystemDesign/DataQuery/SeriesReader.html
index 39f853d..b054d5f 100644
--- a/SystemDesign/DataQuery/SeriesReader.html
+++ b/SystemDesign/DataQuery/SeriesReader.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/39.683bc07a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/39.683bc07a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -235,6 +235,6 @@ return false;
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/39.683bc07a.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/39.683bc07a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/QueryEngine/PlanExecutor.html b/SystemDesign/QueryEngine/PlanExecutor.html
index 6b9152e..80fb26b 100644
--- a/SystemDesign/QueryEngine/PlanExecutor.html
+++ b/SystemDesign/QueryEngine/PlanExecutor.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/40.f2d861cf.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/40.f830037b.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/40.f2d861cf.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/40.f830037b.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/QueryEngine/Planner.html b/SystemDesign/QueryEngine/Planner.html
index 4558f99..14a328a 100644
--- a/SystemDesign/QueryEngine/Planner.html
+++ b/SystemDesign/QueryEngine/Planner.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/41.65f78a2f.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/41.ae8c3e94.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/41.65f78a2f.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/41.ae8c3e94.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/QueryEngine/QueryEngine.html b/SystemDesign/QueryEngine/QueryEngine.html
index a037736..3f03242 100644
--- a/SystemDesign/QueryEngine/QueryEngine.html
+++ b/SystemDesign/QueryEngine/QueryEngine.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/42.101ecd13.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/42.101ecd13.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/SystemDesign/QueryEngine/ResultSetConstruction.html b/SystemDesign/QueryEngine/ResultSetConstruction.html
index ede1453..af468ce 100644
--- a/SystemDesign/QueryEngine/ResultSetConstruction.html
+++ b/SystemDesign/QueryEngine/ResultSetConstruction.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -62,6 +62,6 @@ The implementation logic can be referred to <a href="/SystemDesign/DataQuery/Ali
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/43.b1e97d4d.js" defer></script>
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-</html>
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+</html>
diff --git a/SystemDesign/SchemaManager/SchemaManager.html b/SystemDesign/SchemaManager/SchemaManager.html
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--- a/SystemDesign/SchemaManager/SchemaManager.html
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   <body>
@@ -72,6 +72,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/44.abd97f1d.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/DataManipulation.html b/SystemDesign/StorageEngine/DataManipulation.html
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--- a/SystemDesign/StorageEngine/DataManipulation.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -73,6 +73,6 @@ For the following mods file, data of d1.s1 falls in range [100, 200], [180, 300]
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/45.b93457e4.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/DataPartition.html b/SystemDesign/StorageEngine/DataPartition.html
index a5ce3ab..e502453 100644
--- a/SystemDesign/StorageEngine/DataPartition.html
+++ b/SystemDesign/StorageEngine/DataPartition.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/46.21a75107.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/FlushManager.html b/SystemDesign/StorageEngine/FlushManager.html
index 652ae2c..7dfc12c 100644
--- a/SystemDesign/StorageEngine/FlushManager.html
+++ b/SystemDesign/StorageEngine/FlushManager.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/47.2d120101.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/MergeManager.html b/SystemDesign/StorageEngine/MergeManager.html
index 084ec0f..9fad062 100644
--- a/SystemDesign/StorageEngine/MergeManager.html
+++ b/SystemDesign/StorageEngine/MergeManager.html
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -66,6 +66,6 @@ This state does not appear in the merge log in principle</p></div> <div class="p
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/48.d24599f6.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/48.8a0c1d8a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/Recover.html b/SystemDesign/StorageEngine/Recover.html
index 12c7c02..1230b4b 100644
--- a/SystemDesign/StorageEngine/Recover.html
+++ b/SystemDesign/StorageEngine/Recover.html
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   <body>
@@ -63,6 +63,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/49.3de3d3a7.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/StorageEngine.html b/SystemDesign/StorageEngine/StorageEngine.html
index 5fc5814..d47791e 100644
--- a/SystemDesign/StorageEngine/StorageEngine.html
+++ b/SystemDesign/StorageEngine/StorageEngine.html
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -62,6 +62,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/50.ef3f7155.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/50.a05bd70c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/SystemDesign/StorageEngine/WAL.html b/SystemDesign/StorageEngine/WAL.html
index 2e89fbc..3b440fe 100644
--- a/SystemDesign/StorageEngine/WAL.html
+++ b/SystemDesign/StorageEngine/WAL.html
@@ -12,7 +12,7 @@
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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@@ -64,6 +64,6 @@ wal_dir= $IOTDB_HOME/data/wal
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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@@ -60,6 +60,6 @@
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/Master/Architecture/Writing Data on HDFS.html b/UserGuide/Master/Architecture/Writing Data on HDFS.html
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@@ -61,6 +61,6 @@
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/Master/Client/Command Line Interface.html b/UserGuide/Master/Client/Command Line Interface.html
index 45456b9..0d9892f 100644
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@@ -110,6 +110,6 @@ pass=root
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/59.c5f3f24b.js" defer></script>
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+</html>
diff --git a/UserGuide/Master/Client/Programming - JDBC.html b/UserGuide/Master/Client/Programming - JDBC.html
index fb715d5..5b4d986 100644
--- a/UserGuide/Master/Client/Programming - JDBC.html	
+++ b/UserGuide/Master/Client/Programming - JDBC.html	
@@ -12,7 +12,7 @@
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@@ -211,6 +211,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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+</html>
diff --git a/UserGuide/Master/Client/Programming - MQTT.html b/UserGuide/Master/Client/Programming - MQTT.html
index 219bf0f..06be405 100644
--- a/UserGuide/Master/Client/Programming - MQTT.html	
+++ b/UserGuide/Master/Client/Programming - MQTT.html	
@@ -12,7 +12,7 @@
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   <body>
@@ -101,6 +101,6 @@ The default <code>json</code> formatter support two json format, and the followi
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/61.c44ac685.js" defer></script>
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+</html>
diff --git a/UserGuide/Master/Client/Programming - Native API.html b/UserGuide/Master/Client/Programming - Native API.html
index 6606836..3d456f4 100644
--- a/UserGuide/Master/Client/Programming - Native API.html	
+++ b/UserGuide/Master/Client/Programming - Native API.html	
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   <body>
@@ -160,6 +160,6 @@ void testInsertTablets(Map&lt;String, Tablet&gt; tablets, boolean sorted)
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/62.12596064.js" defer></script>
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\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Client/Programming - Other Languages.html b/UserGuide/Master/Client/Programming - Other Languages.html
index cb3643e..3b65e2e 100644
--- a/UserGuide/Master/Client/Programming - Other Languages.html	
+++ b/UserGuide/Master/Client/Programming - Other Languages.html	
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   <body>
@@ -71,6 +71,6 @@ to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-exa
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/63.910cc28d.js" defer></script>
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+</html>
diff --git a/UserGuide/Master/Client/Programming - TsFile API.html b/UserGuide/Master/Client/Programming - TsFile API.html
index 218b752..84099c5 100644
--- a/UserGuide/Master/Client/Programming - TsFile API.html	
+++ b/UserGuide/Master/Client/Programming - TsFile API.html	
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   <body>
@@ -241,6 +241,6 @@ config.setXXX();
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/64.3a046b10.js" defer></script>
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   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/Client/Status Codes.html b/UserGuide/Master/Client/Status Codes.html
index 359d467..1b3de2f 100644
--- a/UserGuide/Master/Client/Status Codes.html	
+++ b/UserGuide/Master/Client/Status Codes.html	
@@ -12,7 +12,7 @@
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   </head>
   <body>
@@ -73,6 +73,6 @@ A base exception class &quot;ProcessException&quot; is also added to be extended
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/65.6bc58366.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/65.6bc58366.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Comparison/TSDB-Comparison.html b/UserGuide/Master/Comparison/TSDB-Comparison.html
index d4940f3..4929207 100644
--- a/UserGuide/Master/Comparison/TSDB-Comparison.html
+++ b/UserGuide/Master/Comparison/TSDB-Comparison.html
@@ -12,7 +12,7 @@
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   </head>
   <body>
@@ -105,6 +105,6 @@ We also welcome more contributors correct this article and contribute IoTDB and
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/66.705c68a4.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Concept/Compression.html b/UserGuide/Master/Concept/Compression.html
index de974ee..d35bb3f 100644
--- a/UserGuide/Master/Concept/Compression.html
+++ b/UserGuide/Master/Concept/Compression.html
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/Master/Concept/Data Model and Terminology.html b/UserGuide/Master/Concept/Data Model and Terminology.html
index 2d460af..7b56ac1 100644
--- a/UserGuide/Master/Concept/Data Model and Terminology.html	
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   <body>
@@ -70,6 +70,6 @@ now() - 1w //1 week earlier than the current server time
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/68.1113d56a.js" defer></script>
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diff --git a/UserGuide/Master/Concept/Data Type.html b/UserGuide/Master/Concept/Data Type.html
index c1ee6fa..4ec7aac 100644
--- a/UserGuide/Master/Concept/Data Type.html	
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   <body>
@@ -62,6 +62,6 @@ error: encoding TS_2DIFF does not support BOOLEAN
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/69.7d61bd69.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Concept/Encoding.html b/UserGuide/Master/Concept/Encoding.html
index d3a9a7b..517016b 100644
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   <body>
@@ -61,6 +61,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/70.9336ea50.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/Master/Ecosystem Integration/Grafana.html b/UserGuide/Master/Ecosystem Integration/Grafana.html
index 0d82dc1..fee0c0e 100644
--- a/UserGuide/Master/Ecosystem Integration/Grafana.html	
+++ b/UserGuide/Master/Ecosystem Integration/Grafana.html	
@@ -12,7 +12,7 @@
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   </head>
   <body>
@@ -105,6 +105,6 @@ discrete_data_function=LAST_VALUE
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/71.5e420e3b.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/71.5e420e3b.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/Ecosystem Integration/Hive TsFile.html b/UserGuide/Master/Ecosystem Integration/Hive TsFile.html
index f68a58c..226f3ac 100644
--- a/UserGuide/Master/Ecosystem Integration/Hive TsFile.html	
+++ b/UserGuide/Master/Ecosystem Integration/Hive TsFile.html	
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -125,6 +125,6 @@ Write operation is under development.</p></div> <div class="page-nav"><p class="
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/72.543a898c.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/72.b17d99ac.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html
index 3534264..3ad4152 100644
--- a/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/73.1e5465ba.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -159,6 +159,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/73.6d1f66ee.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/73.1e5465ba.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html
index ba72c42..e2df281 100644
--- a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html	
+++ b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/74.3754c060.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -118,6 +118,6 @@ public class Example {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/74.5d0da28f.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/74.3754c060.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Ecosystem Integration/Spark TsFile.html b/UserGuide/Master/Ecosystem Integration/Spark TsFile.html
index 73a9def..e7b5e9c 100644
--- a/UserGuide/Master/Ecosystem Integration/Spark TsFile.html	
+++ b/UserGuide/Master/Ecosystem Integration/Spark TsFile.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/75.00bc3cac.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
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   <body>
@@ -115,6 +115,6 @@ newDf<span class="token punctuation">.</span>show
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/75.86e5e3c8.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/75.00bc3cac.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Get Started/Frequently asked questions.html b/UserGuide/Master/Get Started/Frequently asked questions.html
index b30d571..d912c19 100644
--- a/UserGuide/Master/Get Started/Frequently asked questions.html	
+++ b/UserGuide/Master/Get Started/Frequently asked questions.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/76.b7cb95ff.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -96,6 +96,6 @@ Readme.md
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/76.b7cb95ff.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Get Started/Publication.html b/UserGuide/Master/Get Started/Publication.html
index e0d7a40..93b8532 100644
--- a/UserGuide/Master/Get Started/Publication.html	
+++ b/UserGuide/Master/Get Started/Publication.html	
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -61,6 +61,6 @@ Tian Jiang, Lei Rui, Jinrui Zhang, Rong Kang, Julian Feinauer, Kevin A. McGrail,
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Get Started/QuickStart.html b/UserGuide/Master/Get Started/QuickStart.html
index d4c1f73..2f0d39c 100644
--- a/UserGuide/Master/Get Started/QuickStart.html	
+++ b/UserGuide/Master/Get Started/QuickStart.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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   <body>
@@ -138,6 +138,6 @@ IoTDB&gt; exit
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/78.16f18101.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Operation Manual/Administration.html b/UserGuide/Master/Operation Manual/Administration.html
index d86ced8..a43c212 100644
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@@ -69,6 +69,6 @@ INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/79.dc208b0a.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Operation Manual/DDL Data Definition Language.html b/UserGuide/Master/Operation Manual/DDL Data Definition Language.html
index 72e0b87..b22eb83 100644
--- a/UserGuide/Master/Operation Manual/DDL Data Definition Language.html	
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   <body>
@@ -137,6 +137,6 @@ IoTDB&gt; FULL MERGE
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/80.716d3f1a.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Operation Manual/DML Data Manipulation Language.html b/UserGuide/Master/Operation Manual/DML Data Manipulation Language.html
index 5781dfb..43588b5 100644
--- a/UserGuide/Master/Operation Manual/DML Data Manipulation Language.html	
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@@ -168,6 +168,6 @@ supported in your version).</p> <p>Please notice that this function is experimen
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Operation Manual/SQL Reference.html b/UserGuide/Master/Operation Manual/SQL Reference.html
index 5e21f3b..e3f5345 100644
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -740,6 +740,6 @@ eg. *
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/82.63b774fe.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Overview/Architecture.html b/UserGuide/Master/Overview/Architecture.html
index 506a42d..d0d47a9 100644
--- a/UserGuide/Master/Overview/Architecture.html
+++ b/UserGuide/Master/Overview/Architecture.html
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/83.eb71b7f0.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Overview/Features.html b/UserGuide/Master/Overview/Features.html
index ff1c2ae..decc839 100644
--- a/UserGuide/Master/Overview/Features.html
+++ b/UserGuide/Master/Overview/Features.html
@@ -12,7 +12,7 @@
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/84.f8a4906d.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/Master/Overview/Scenario.html b/UserGuide/Master/Overview/Scenario.html
index 3e583bf..7431909 100644
--- a/UserGuide/Master/Overview/Scenario.html
+++ b/UserGuide/Master/Overview/Scenario.html
@@ -12,7 +12,7 @@
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/85.863ab5c0.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Overview/What is IoTDB.html b/UserGuide/Master/Overview/What is IoTDB.html
index f3df524..500f94d 100644
--- a/UserGuide/Master/Overview/What is IoTDB.html	
+++ b/UserGuide/Master/Overview/What is IoTDB.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/86.a209b575.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/86.ead6a59f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Server/Cluster Setup.html b/UserGuide/Master/Server/Cluster Setup.html
index 3439a3b..1459126 100644
--- a/UserGuide/Master/Server/Cluster Setup.html	
+++ b/UserGuide/Master/Server/Cluster Setup.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/87.64453893.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -84,6 +84,6 @@ For performance tuning, you may want to collect the GC info.</p> <p>To enable GC
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/87.64453893.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/87.64453893.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/Server/Config Manual.html b/UserGuide/Master/Server/Config Manual.html
index d127ef9..84d5cac 100644
--- a/UserGuide/Master/Server/Config Manual.html	
+++ b/UserGuide/Master/Server/Config Manual.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/88.cb34522a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -65,6 +65,6 @@ There will be at most 10 gc.log.* files and each one can reach to 10MB.</p></div
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/88.ee59fcdf.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/88.cb34522a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Server/Docker Image.html b/UserGuide/Master/Server/Docker Image.html
index 1acdbad..c5de185 100644
--- a/UserGuide/Master/Server/Docker Image.html	
+++ b/UserGuide/Master/Server/Docker Image.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/89.3d75e5a1.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -81,6 +81,6 @@ $ (now you have enter the container): /cli/sbin/start-cli.sh -h localhost -p 666
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/89.3d75e5a1.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/89.3d75e5a1.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/Server/Download.html b/UserGuide/Master/Server/Download.html
index 5137c0c..6076d77 100644
--- a/UserGuide/Master/Server/Download.html
+++ b/UserGuide/Master/Server/Download.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/90.299d80e8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js"><l [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/90.aaf5050d.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -65,6 +65,6 @@ You can download the source code from:</p> <div class="language- line-numbers-mo
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/90.299d80e8.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/90.aaf5050d.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Server/ServerFileList.html b/UserGuide/Master/Server/ServerFileList.html
index dcd500f..1dfd98d 100644
--- a/UserGuide/Master/Server/ServerFileList.html
+++ b/UserGuide/Master/Server/ServerFileList.html
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/91.9f58de6c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -82,6 +82,6 @@ it will create pullSnapshotTask file to track which data to be pulled</li> <li>u
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/91.ea29b799.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/91.9f58de6c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/Server/Single Node Setup.html b/UserGuide/Master/Server/Single Node Setup.html
index f71c164..e6d3c32 100644
--- a/UserGuide/Master/Server/Single Node Setup.html	
+++ b/UserGuide/Master/Server/Single Node Setup.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/92.21032927.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js"><l [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -67,6 +67,6 @@ or
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/92.01e0d5a2.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/92.21032927.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/Master/System Tools/JMX Tool.html b/UserGuide/Master/System Tools/JMX Tool.html
index c8fae40..96e26ad 100644
--- a/UserGuide/Master/System Tools/JMX Tool.html	
+++ b/UserGuide/Master/System Tools/JMX Tool.html	
@@ -12,7 +12,7 @@
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@@ -72,6 +72,6 @@ Password:passw!d
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/93.45c069b8.js" defer></script>
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diff --git a/UserGuide/Master/System Tools/Load External Tsfile.html b/UserGuide/Master/System Tools/Load External Tsfile.html
index b938da9..3a2f6f2 100644
--- a/UserGuide/Master/System Tools/Load External Tsfile.html	
+++ b/UserGuide/Master/System Tools/Load External Tsfile.html	
@@ -12,7 +12,7 @@
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@@ -62,6 +62,6 @@ If the <code>.resource</code> file corresponding to the file  exists, they will
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/94.aa7642bf.js" defer></script>
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-</html>
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diff --git a/UserGuide/Master/System Tools/Monitor and Log Tools.html b/UserGuide/Master/System Tools/Monitor and Log Tools.html
index 96df5c1..4ce990f 100644
--- a/UserGuide/Master/System Tools/Monitor and Log Tools.html	
+++ b/UserGuide/Master/System Tools/Monitor and Log Tools.html	
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   <body>
@@ -71,6 +71,6 @@ It should be noted that the difference between this method and the <code>getLogg
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/95.d08edcb5.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/Master/System Tools/NodeTool.html b/UserGuide/Master/System Tools/NodeTool.html
index 20cbeeb..3df60dd 100644
--- a/UserGuide/Master/System Tools/NodeTool.html	
+++ b/UserGuide/Master/System Tools/NodeTool.html	
@@ -12,7 +12,7 @@
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   <body>
@@ -109,6 +109,6 @@ and 127.0.0.1:9005:40012 nodes cannot provide services.</p></div> <!----> <p sty
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/96.eca6c1db.js" defer></script>
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+</html>
diff --git a/UserGuide/Master/System Tools/Performance Tracing Tool.html b/UserGuide/Master/System Tools/Performance Tracing Tool.html
index d3c39c7..50d6983 100644
--- a/UserGuide/Master/System Tools/Performance Tracing Tool.html	
+++ b/UserGuide/Master/System Tools/Performance Tracing Tool.html	
@@ -12,7 +12,7 @@
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   <body>
@@ -70,6 +70,6 @@ Query Id: 2 - Total cost time: 11ms
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/97.e062ad6a.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/Master/System Tools/Query History Visualization Tool.html b/UserGuide/Master/System Tools/Query History Visualization Tool.html
index 2016046..4eb0210 100644
--- a/UserGuide/Master/System Tools/Query History Visualization Tool.html	
+++ b/UserGuide/Master/System Tools/Query History Visualization Tool.html	
@@ -12,7 +12,7 @@
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/98.9478a6e3.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/System Tools/Sync Tool.html b/UserGuide/Master/System Tools/Sync Tool.html
index c005e5b..ba2596b 100644
--- a/UserGuide/Master/System Tools/Sync Tool.html	
+++ b/UserGuide/Master/System Tools/Sync Tool.html	
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -73,6 +73,6 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/99.5ba76d9a.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/System Tools/Watermark Tool.html b/UserGuide/Master/System Tools/Watermark Tool.html
index b08770f..55a580e 100644
--- a/UserGuide/Master/System Tools/Watermark Tool.html	
+++ b/UserGuide/Master/System Tools/Watermark Tool.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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   </head>
   <body>
@@ -148,6 +148,6 @@ select * from root
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/100.8bd957cc.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/Master/UserGuideReadme.html b/UserGuide/Master/UserGuideReadme.html
index 3a2fdd8..fc0c5d9 100644
--- a/UserGuide/Master/UserGuideReadme.html
+++ b/UserGuide/Master/UserGuideReadme.html
@@ -12,7 +12,7 @@
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   <body>
@@ -53,6 +53,6 @@ Other documents are for IoTDB previous released versions.</p> <ul><li><a href="h
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/V0.10.x/Architecture/Files.html b/UserGuide/V0.10.x/Architecture/Files.html
index 98aba7b..d1e9095 100644
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@@ -32,7 +32,7 @@
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@@ -61,7 +61,9 @@ wal_dir= $IOTDB_HOME/data/wal
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
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+</html>
diff --git a/UserGuide/V0.10.x/Architecture/Shared Nothing Cluster.html b/UserGuide/V0.10.x/Architecture/Shared Nothing Cluster.html
index fa9e1ea..5069a60 100644
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@@ -53,7 +53,9 @@
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           Writing Data on HDFS
         </a></span> <!----></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/103.c73d4e77.js" defer></script>
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+</html>
diff --git a/UserGuide/V0.10.x/Architecture/Writing Data on HDFS.html b/UserGuide/V0.10.x/Architecture/Writing Data on HDFS.html
index f6688ff..1e4c09c 100644
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -48,8 +48,8 @@
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-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.10.0-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.10.0/lib</co [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.10.1-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.10.1/lib</co [...]
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         <a href="/UserGuide/V0.10.x/Architecture/Files.html" class="prev">
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@@ -58,7 +58,9 @@
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-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/802.6a057df2.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/V0.10.x/Client/Command Line Interface.html b/UserGuide/V0.10.x/Client/Command Line Interface.html
index 76d8595..20bc0fd 100644
--- a/UserGuide/V0.10.x/Client/Command Line Interface.html	
+++ b/UserGuide/V0.10.x/Client/Command Line Interface.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/105.b92d08f8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Command Line Interface.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Command Line Interface.html" class="nav-link">简体中文</a> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
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   Foundation
@@ -107,7 +107,9 @@ pass=root
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/803.081be247.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/105.b92d08f8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Client/Programming - JDBC.html b/UserGuide/V0.10.x/Client/Programming - JDBC.html
index 3e56ea0..e70ee25 100644
--- a/UserGuide/V0.10.x/Client/Programming - JDBC.html	
+++ b/UserGuide/V0.10.x/Client/Programming - JDBC.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/106.101e8375.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
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-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Foundation
@@ -54,7 +54,7 @@
     &lt;dependency&gt;
       &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
       &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
-      &lt;version&gt;0.10.0&lt;/version&gt;
+      &lt;version&gt;0.10.1&lt;/version&gt;
     &lt;/dependency&gt;
 &lt;/dependencies&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
@@ -208,7 +208,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/804.799da46a.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/106.101e8375.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.10.x/Client/Programming - MQTT.html b/UserGuide/V0.10.x/Client/Programming - MQTT.html
index 2bd6d06..d1d5ce6 100644
--- a/UserGuide/V0.10.x/Client/Programming - MQTT.html	
+++ b/UserGuide/V0.10.x/Client/Programming - MQTT.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/107.2769cdb8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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   Foundation
@@ -32,7 +32,7 @@
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   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Programming - MQTT.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Programming - MQTT.html" class="nav-link">简体中文</a></li></u [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -98,7 +98,9 @@ The default <code>json</code> formatter support two json format, and the followi
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/805.5e0af32a.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/107.2769cdb8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Client/Programming - Native API.html b/UserGuide/V0.10.x/Client/Programming - Native API.html
index 3a415c5..c96e8e2 100644
--- a/UserGuide/V0.10.x/Client/Programming - Native API.html	
+++ b/UserGuide/V0.10.x/Client/Programming - Native API.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/806.b6f3f588.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/108.21e0bde8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Programming - Native API.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Programming - Native API.html" class="nav-link">简体中文 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -52,7 +52,7 @@
     &lt;dependency&gt;
       &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
       &lt;artifactId&gt;iotdb-session&lt;/artifactId&gt;
-      &lt;version&gt;0.10.0&lt;/version&gt;
+      &lt;version&gt;0.10.1&lt;/version&gt;
     &lt;/dependency&gt;
 &lt;/dependencies&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="native-apis"><a href="#native-apis" class="header-anchor">#</a> Native APIs</h2> <p>Here we show the commonly used interfaces and their parameters in the Nati [...]
@@ -110,7 +110,9 @@ you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li>
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/806.b6f3f588.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/108.21e0bde8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Client/Programming - Other Languages.html b/UserGuide/V0.10.x/Client/Programming - Other Languages.html
index c2b5873..99a7b0b 100644
--- a/UserGuide/V0.10.x/Client/Programming - Other Languages.html	
+++ b/UserGuide/V0.10.x/Client/Programming - Other Languages.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/807.1326e0d3.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/109.5eda0901.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Programming - Other Languages.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Programming - Other Languages.html" class="nav- [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -68,7 +68,9 @@ to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-exa
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/807.1326e0d3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/109.5eda0901.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Client/Programming - TsFile API.html b/UserGuide/V0.10.x/Client/Programming - TsFile API.html
index 3488f45..ebee822 100644
--- a/UserGuide/V0.10.x/Client/Programming - TsFile API.html	
+++ b/UserGuide/V0.10.x/Client/Programming - TsFile API.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/808.b1ed1d92.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/110.e5bb7783.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Programming - TsFile API.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Programming - TsFile API.html" class="nav-link">简体中文 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -51,13 +51,13 @@
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 cd tsfile/
 mvn clean package -Dmaven.test.skip=true
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.10.0-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the sourc [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.10.1-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the sourc [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
 mvn clean install -Dmaven.test.skip=true
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
    &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
    &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.10.0&lt;/version&gt;
+   &lt;version&gt;0.10.1&lt;/version&gt;
  &lt;/dependency&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
 , add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
@@ -80,7 +80,7 @@ mvn clean install -Dmaven.test.skip=true
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
    &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
    &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.10.0&lt;/version&gt;
+   &lt;version&gt;0.10.1&lt;/version&gt;
  &lt;/dependency&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul></li></ul> <h2 id="tsfile-usage"><a href="#tsfile-usage" class="header-anchor">#</a> TSFile Usage</h2> <p>This section demonstrates the detailed usages of TsFile.</p> <h3 id="time-series-data"><a href="#time-series-data" class="head [...]
 sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
@@ -239,7 +239,9 @@ config.setXXX();
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/808.b1ed1d92.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/110.e5bb7783.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Client/Status Codes.html b/UserGuide/V0.10.x/Client/Status Codes.html
index 682960a..bf3c247 100644
--- a/UserGuide/V0.10.x/Client/Status Codes.html	
+++ b/UserGuide/V0.10.x/Client/Status Codes.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/809.76f27953.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/111.2dab5690.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Client/Status Codes.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Client/Status Codes.html" class="nav-link">简体中文</a></li></ul></div></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -70,7 +70,9 @@ A base exception class &quot;ProcessException&quot; is also added to be extended
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/809.76f27953.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/111.2dab5690.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Concept/Compression.html b/UserGuide/V0.10.x/Concept/Compression.html
index 79591ee..4dd029d 100644
--- a/UserGuide/V0.10.x/Concept/Compression.html
+++ b/UserGuide/V0.10.x/Concept/Compression.html
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/810.fcbd7999.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/112.1d9e43ed.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Concept/Compression.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Concept [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/810.fcbd7999.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/112.1d9e43ed.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Concept/Data Model and Terminology.html b/UserGuide/V0.10.x/Concept/Data Model and Terminology.html
index 1ca0f2f..8f3b81f 100644
--- a/UserGuide/V0.10.x/Concept/Data Model and Terminology.html	
+++ b/UserGuide/V0.10.x/Concept/Data Model and Terminology.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/113.04b9794f.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Concept/Data Model and Terminology.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Concept/Data Model and Terminology.html" class="nav-link [...]
     gitHub
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -67,7 +67,9 @@ now() - 1w //1 week earlier than the current server time
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/811.6e88fb63.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/113.04b9794f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Concept/Data Type.html b/UserGuide/V0.10.x/Concept/Data Type.html
index 21baf6e..1023a1c 100644
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+++ b/UserGuide/V0.10.x/Concept/Data Type.html	
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -59,7 +59,9 @@ error: encoding TS_2DIFF does not support BOOLEAN
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/812.7ef76d3f.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/114.522f7f99.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Concept/Encoding.html b/UserGuide/V0.10.x/Concept/Encoding.html
index a26b8a0..fc35803 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Concept/Encoding.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Concept/En [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -58,7 +58,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/813.94d84815.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/115.59bc301f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Ecosystem Integration/Grafana.html b/UserGuide/V0.10.x/Ecosystem Integration/Grafana.html
index 31cd81f..1d7cf75 100644
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+++ b/UserGuide/V0.10.x/Ecosystem Integration/Grafana.html	
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Ecosystem Integration/Grafana.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Ecosystem Integration/Grafana.html" class="nav-link">简体中文</a> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -101,7 +101,9 @@ discrete_data_function=LAST_VALUE
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/814.305c28c7.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/116.e3bd2ba0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html b/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html
index f443d5b..d30ecdd 100644
--- a/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html	
+++ b/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/117.fdbb1b33.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Ecosystem Integration/Hive TsFile.html" class="nav-link"> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
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   Foundation
@@ -50,10 +50,10 @@
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 <ul><li>About TsFile-Hive-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>Add Dependency For Hive</li> <li>Creating Tsfile-backed Hive tables</li> <li>Querying from Tsfile-backed Hive tables
-<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsfile type. This enables users to operate Tsfile by Hive.</p> <p>With this connector, you can</p> <ul><li>Load a single TsFile, from either the local file [...]
+<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsfile type. This enables users to operate Tsfile by Hive.</p> <p>With this connector, you can</p> <ul><li>Load a single TsFile, from either the local file [...]
 
-Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar] to class path
-Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar]
+Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.1-jar-with-dependencies.jar] to class path
+Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.1-jar-with-dependencies.jar]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="creating-tsfile-backed-hive-tables"><a href="#creating-tsfile-backed-hive-tables" class="header-anchor">#</a> Creating Tsfile-backed Hive tables</h2> <p>To create a Tsfile-backed table, specify the <code>serde</code> as <code>org.apache.iotdb.hive.TsFileSerDe</code>,
 specify the <code>inputformat</code> as <code>org.apache.iotdb.hive.TSFHiveInputFormat</code>,
 and the <code>outputformat</code> as <code>org.apache.iotdb.hive.TSFHiveOutputFormat</code>.</p> <p>Also provide a schema which only contains two fields: <code>time_stamp</code> and <code>sensor_id</code> for the table.
@@ -122,7 +122,9 @@ Writing tables to Tsfiles is under development.</p></div> <div class="page-nav">
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/815.55323ff3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/117.fdbb1b33.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html
index 683d5d1..c863868 100644
--- a/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html	
+++ b/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/816.95ed3a63.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/118.22109e55.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Ecosystem Integration/MapReduce TsFile.html" class=" [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -156,7 +156,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/816.95ed3a63.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/118.22109e55.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Ecosystem Integration/Spark IoTDB.html b/UserGuide/V0.10.x/Ecosystem Integration/Spark IoTDB.html
index 79a3957..eb445d9 100644
--- a/UserGuide/V0.10.x/Ecosystem Integration/Spark IoTDB.html	
+++ b/UserGuide/V0.10.x/Ecosystem Integration/Spark IoTDB.html	
@@ -12,11 +12,11 @@
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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@@ -51,9 +51,9 @@
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       &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
       &lt;artifactId&gt;spark-iotdb-connector&lt;/artifactId&gt;
-      &lt;version&gt;0.10.0&lt;/version&gt;
+      &lt;version&gt;0.10.1&lt;/version&gt;
     &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
 
 import org.apache.iotdb.spark.db._
 
@@ -115,7 +115,9 @@ public class Example {
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/817.f27a93cf.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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diff --git a/UserGuide/V0.10.x/Ecosystem Integration/Spark TsFile.html b/UserGuide/V0.10.x/Ecosystem Integration/Spark TsFile.html
index 8cb0c40..53c4290 100644
--- a/UserGuide/V0.10.x/Ecosystem Integration/Spark TsFile.html	
+++ b/UserGuide/V0.10.x/Ecosystem Integration/Spark TsFile.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -50,43 +50,43 @@
     gitHub
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 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h3> <p>Start Spark with TsFi [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h2 id="_4-data-type-correspondence"><a href="#_4-data-type-correspondence" class="header-anchor">#</a> 4. Data Type Corresponde [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h2 id="_4-data-type-correspondence"><a href="#_4-data-type-correspondence" class="header-anchor">#</a> 4. Data Type Corresponde [...]
 <span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">)</span>  
 wide_df<span class="token punctuation">.</span>show
 
 <span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
 narrow_df<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-2-read-from-the-hadoop-file-system"><a href="#example-2-read-from-the-hadoop-file-system" class="header-anchor">#</a> Example 2: read from the hadoop file system</h3> <div class="language- [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-2-read-from-the-hadoop-file-system"><a href="#example-2-read-from-the-hadoop-file-system" class="header-anchor">#</a> Example 2: read from the hadoop file system</h3> <div class="language- [...]
 <span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
 wide_df<span class="token punctuation">.</span>show
 
 <span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
 narrow_df<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-3-read-from-a-specific-directory"><a href="#example-3-read-from-a-specific-directory" class="header-anchor">#</a> Example 3: read from a specific directory</h3> <div class="language-scala  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-3-read-from-a-specific-directory"><a href="#example-3-read-from-a-specific-directory" class="header-anchor">#</a> Example 3: read from a specific directory</h3> <div class="language-scala  [...]
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/usr/hadoop&quot;</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Note 1: Global time ordering of all TsFiles in a directory is not supported now.</p> <p>Note 2: Measurements of the same name should have the same schema.</p> <h3 id="example-4-query-in-wide-form"><a href="#example-4-query-in-wide-form" class="header-anchor">#</a> Example 4: query in wide form</h3> <div class="lan [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Note 1: Global time ordering of all TsFiles in a directory is not supported now.</p> <p>Note 2: Measurements of the same name should have the same schema.</p> <h3 id="example-4-query-in-wide-form"><a href="#example-4-query-in-wide-form" class="header-anchor">#</a> Example 4: query in wide form</h3> <div class="lan [...]
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where `device_1.sensor_1`&gt;0 and `device_1.sensor_2` &lt; 22&quot;</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-5-query-in-narrow-form"><a href="#example-5-query-in-narrow-form" class="header-anchor">#</a> Example 5: query in narrow form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="to [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-5-query-in-narrow-form"><a href="#example-5-query-in-narrow-form" class="header-anchor">#</a> Example 5: query in narrow form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="to [...]
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where device_name = 'root.ln.wf02.wt02' and temperature &gt; 5&quot;</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-6-write-in-wide-form"><a href="#example-6-write-in-wide-form" class="header-anchor">#</a> Example 6: write in wide form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token co [...]
-<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span></span>_
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span></span>_
 
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>show
@@ -95,7 +95,7 @@ df<span class="token punctuation">.</span>write<span class="token punctuation">.
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="example-6-write-in-narrow-form"><a href="#example-6-write-in-narrow-form" class="h [...]
-<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span></span>_
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>spark<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span></span>_
 
 <span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
 df<span class="token punctuation">.</span>show
@@ -114,7 +114,9 @@ There are two ways to show it out:
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/818.e73ea020.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/120.701ff78e.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Get Started/Frequently asked questions.html b/UserGuide/V0.10.x/Get Started/Frequently asked questions.html
index 6b19442..7496e3b 100644
--- a/UserGuide/V0.10.x/Get Started/Frequently asked questions.html	
+++ b/UserGuide/V0.10.x/Get Started/Frequently asked questions.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/819.7f88aed3.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/121.835cab4a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Get Started/Frequently asked questions.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/Frequently asked questions.html" class=" [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -93,7 +93,9 @@ Readme.md
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/819.7f88aed3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/121.835cab4a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Get Started/Publication.html b/UserGuide/V0.10.x/Get Started/Publication.html
index 0078f6f..cd01f51 100644
--- a/UserGuide/V0.10.x/Get Started/Publication.html	
+++ b/UserGuide/V0.10.x/Get Started/Publication.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/820.1bd1b9e7.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/122.3c48e82d.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Get Started/Publication.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/Publication.html" class="nav-link">简体中文</a></li></ul></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/820.1bd1b9e7.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/122.3c48e82d.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Get Started/QuickStart.html b/UserGuide/V0.10.x/Get Started/QuickStart.html
index e546240..b3518ca 100644
--- a/UserGuide/V0.10.x/Get Started/QuickStart.html	
+++ b/UserGuide/V0.10.x/Get Started/QuickStart.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/123.aed388ba.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">简体中文</a></li></ul></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -135,7 +135,9 @@ IoTDB&gt; exit
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/821.d4460ff6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/123.aed388ba.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Operation Manual/Administration.html b/UserGuide/V0.10.x/Operation Manual/Administration.html
index 9c6fde8..31493ea 100644
--- a/UserGuide/V0.10.x/Operation Manual/Administration.html	
+++ b/UserGuide/V0.10.x/Operation Manual/Administration.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/124.6f9fc665.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Operation Manual/Administration.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Operation Manual/Administration.html" class="nav-link">简体中文 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -66,7 +66,9 @@ INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/822.33de8fdc.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/124.6f9fc665.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language.html b/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language.html
index 271e82d..9927b8b 100644
--- a/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language.html	
+++ b/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/125.e61f66d2.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Operation Manual/DDL Data Definition Language [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -122,7 +122,9 @@ IoTDB&gt; FULL MERGE
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/823.ced58c74.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/125.e61f66d2.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Language.html b/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Language.html
index ca58f49..db567bb 100644
--- a/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Language.html	
+++ b/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Language.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/824.f96bc4b6.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/126.f9c76f5a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Language.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Operation Manual/DML Data Manipulation Lang [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -140,7 +140,9 @@ Msg: TimeSeries does not exist and its data cannot be deleted
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/824.f96bc4b6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/126.f9c76f5a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Operation Manual/SQL Reference.html b/UserGuide/V0.10.x/Operation Manual/SQL Reference.html
index 60e0599..c89adc6 100644
--- a/UserGuide/V0.10.x/Operation Manual/SQL Reference.html	
+++ b/UserGuide/V0.10.x/Operation Manual/SQL Reference.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/127.010b8662.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Operation Manual/SQL Reference.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Operation Manual/SQL Reference.html" class="nav-link">简体中文</ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -60,7 +60,7 @@ SUM, LAST_VALUE, LAST, DISABLE, ALIGN, COMPRESSION, TIME, ATTRIBUTES, TAGS,RENAM
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------+
 |        version|
 +---------------+
-|0.10.0-SNAPSHOT|
+|0.10.1-SNAPSHOT|
 +---------------+
 Total line number = 1
 It costs 0.417s
@@ -515,7 +515,7 @@ Eg: IoTDB &gt; REVOKE ROLE temprole PRIVILEGES 'DELETE_TIMESERIES' ON root.ln;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Revoke Role From User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE &lt;roleName&gt; FROM &lt;userName&gt;;
 roleName:=identifier
 userName:=identifier
-Eg: IoTDB &gt; REVOKE temproleFROM tempuser;
+Eg: IoTDB &gt; REVOKE temprole FROM tempuser;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
 Eg: IoTDB &gt; LIST USER
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE
@@ -523,17 +523,17 @@ Eg: IoTDB &gt; LIST ROLE
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES USER  &lt;username&gt; ON &lt;path&gt;;    
 username:=identifier    
 path=‘root’ (DOT identifier)*
-Eg: IoTDB &gt; LIST PRIVIEGES USER sgcc_wirte_user ON root.sgcc;
+Eg: IoTDB &gt; LIST PRIVILEGES USER sgcc_wirte_user ON root.sgcc;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Privileges of Roles(On Specific Path)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES ROLE &lt;roleName&gt; ON &lt;path&gt;;    
 roleName:=identifier  
 path=‘root’ (DOT identifier)*
-Eg: IoTDB &gt; LIST PRIVIEGES ROLE wirte_role ON root.sgcc;
+Eg: IoTDB &gt; LIST PRIVILEGES ROLE wirte_role ON root.sgcc;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Privileges of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER PRIVILEGES &lt;username&gt; ;   
 username:=identifier  
-Eg: IoTDB &gt; LIST USER PRIVIEGES tempuser;
+Eg: IoTDB &gt; LIST USER PRIVILEGES tempuser;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>List Privileges of Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE PRIVILEGES &lt;roleName&gt;
 roleName:=identifier
-Eg: IoTDB &gt; LIST ROLE PRIVIEGES actor;
+Eg: IoTDB &gt; LIST ROLE PRIVILEGES actor;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>List Roles of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL ROLE OF USER &lt;username&gt; ;  
 username:=identifier
 Eg: IoTDB &gt; LIST ALL ROLE OF USER tempuser;
@@ -689,7 +689,9 @@ eg. *
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/825.523d76d3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/127.010b8662.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Overview/Architecture.html b/UserGuide/V0.10.x/Overview/Architecture.html
index f565019..a6ca06e 100644
--- a/UserGuide/V0.10.x/Overview/Architecture.html
+++ b/UserGuide/V0.10.x/Overview/Architecture.html
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/826.efe9a863.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/128.bdcf09d1.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Overview/Architecture.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Overv [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Foundation
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         </a>
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-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/128.bdcf09d1.js" defer></script>
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   Foundation
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   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/827.d7966159.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/129.0bdb51ff.js" defer></script>
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+</html>
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
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   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/828.6a9c4025.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/130.29e3ead4.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Overview/What is IoTDB.html b/UserGuide/V0.10.x/Overview/What is IoTDB.html
index a0ddca2..c19ef9e 100644
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   Foundation
@@ -32,7 +32,7 @@
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
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       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/131.9e80cfdc.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.10.x/Server/Cluster Setup.html b/UserGuide/V0.10.x/Server/Cluster Setup.html
index d54c4ef..5f7b9f8 100644
--- a/UserGuide/V0.10.x/Server/Cluster Setup.html	
+++ b/UserGuide/V0.10.x/Server/Cluster Setup.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/132.75ba9bdd.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
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   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Cluster Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Cluster Setup.html" class="nav-link">简体中文</a></li></ul></div></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/830.87586ad3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/132.75ba9bdd.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.10.x/Server/Config Manual.html b/UserGuide/V0.10.x/Server/Config Manual.html
index b2f3723..5b3bab3 100644
--- a/UserGuide/V0.10.x/Server/Config Manual.html	
+++ b/UserGuide/V0.10.x/Server/Config Manual.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/133.cde003a7.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Config Manual.html" class="nav-link">简体中文</a></li></ul></div></ [...]
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-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Foundation
@@ -49,7 +49,7 @@
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Config Manual.html" class="nav-link">简体中文</a></li></ul></div></ [...]
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-In the parameters described below, these parameters whose way of <code>Effective</code> is <code>trigger</code> support hot modification.</p> <p>Trigger way: The client sends the command <code>load configuration</code> to the IoTDB server. See Chapter 4 for the usage of the client.</p> <h2 id="iotdb-environment-configuration-file"><a href="#iotdb-environment-configuration-file" class="header-anchor">#</a> IoTDB Environment Configuration File</h2> <p>The environment configuration file is  [...]
+In the parameters described below, these parameters whose way of <code>Effective</code> is <code>trigger</code> support hot modification.</p> <p>Trigger way: The client sends the command <code>load configuration</code> to the IoTDB server. See Chapter 4 for the usage of the client.</p> <h2 id="iotdb-environment-configuration-file"><a href="#iotdb-environment-configuration-file" class="header-anchor">#</a> IoTDB Environment Configuration File</h2> <p>The environment configuration file is  [...]
 For performance tuning, you may want to collect the GC info.</p> <p>To enable GC log, just add a paramenter &quot;printgc&quot; when you start the server.</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-server.sh printgc <span class="token operator">&gt;</span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>&gt;</span><span class="token file-descriptor impor [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-server.bat printgc
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC log is stored at <code>IOTDB_HOME/logs/gc.log</code>.
@@ -62,7 +62,9 @@ There will be at most 10 gc.log.* files and each one can reach to 10MB.</p></div
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/831.6b937a01.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/133.cde003a7.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.10.x/Server/Docker Image.html b/UserGuide/V0.10.x/Server/Docker Image.html
index 7784756..ae27dab 100644
--- a/UserGuide/V0.10.x/Server/Docker Image.html	
+++ b/UserGuide/V0.10.x/Server/Docker Image.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/134.7a11418c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Docker Image.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Docker Image.html" class="nav-link">简体中文</a></li></ul></div></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -78,7 +78,9 @@ $ (now you have enter the container): /cli/sbin/start-cli.sh -h localhost -p 666
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/832.754b6e9b.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/134.7a11418c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Server/Download.html b/UserGuide/V0.10.x/Server/Download.html
index e1d7a76..d5b53ea 100644
--- a/UserGuide/V0.10.x/Server/Download.html
+++ b/UserGuide/V0.10.x/Server/Download.html
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/833.0d5e4045.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/135.9444d57c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Download.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Down [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -62,7 +62,9 @@ You can download the source code from:</p> <div class="language- line-numbers-mo
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/833.0d5e4045.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/135.9444d57c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/Server/Single Node Setup.html b/UserGuide/V0.10.x/Server/Single Node Setup.html
index ede2f06..88073f0 100644
--- a/UserGuide/V0.10.x/Server/Single Node Setup.html	
+++ b/UserGuide/V0.10.x/Server/Single Node Setup.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/834.e21e136b.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/136.56d00cce.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Server/Single Node Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Server/Single Node Setup.html" class="nav-link">简体中文</a></li></ul> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -64,7 +64,9 @@ or
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/834.e21e136b.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/136.56d00cce.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/System Tools/JMX Tool.html b/UserGuide/V0.10.x/System Tools/JMX Tool.html
index ad67e28..fa08b55 100644
--- a/UserGuide/V0.10.x/System Tools/JMX Tool.html	
+++ b/UserGuide/V0.10.x/System Tools/JMX Tool.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/137.750f14e7.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/JMX Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/JMX Tool.html" class="nav-link">简体中文</a></li></ul></div> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Foundation
@@ -69,7 +69,9 @@ Password:passw!d
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-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/835.ebc05edd.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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-</html>
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diff --git a/UserGuide/V0.10.x/System Tools/Load External Tsfile.html b/UserGuide/V0.10.x/System Tools/Load External Tsfile.html
index 613d720..361c053 100644
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Foundation
@@ -59,7 +59,9 @@ If the <code>.resource</code> file corresponding to the file  exists, they will
         </a>
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       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/836.3ebcff56.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/138.5507b99f.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.10.x/System Tools/Log Visualizer.html b/UserGuide/V0.10.x/System Tools/Log Visualizer.html
deleted file mode 100644
index ce847f3..0000000
--- a/UserGuide/V0.10.x/System Tools/Log Visualizer.html	
+++ /dev/null
@@ -1,105 +0,0 @@
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-<html lang="en-US">
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-logs can help the developers keep trace of the status of IoTDB and dig out potential or unclear bugs
-The info logs may tell how healthy the system is and point out directions for database parameter
-optimization. The warn and error logs indicate the system is in a dangerous status or
-something unexpected happened (very likely a bug or an attack) and helps the database
-administrator save the system before it crashes or find the reasons why it has crashed.</p> <p>With the logs being so valuable a source of monitoring system status, mining the logs for their
-potential precious information has become quite a hot issue both in academy and industry.
-Traditional ways often require much human-resource to discover the value behind the logs by
-reading and analyzing the logs carefully. Usually, the logs of different sources (like Java
-classes) are mixed together in several files and only the most experienced debugging experts know
-from the beginning what logs exactly they long for, many less experienced programmers would spend
-time reading unrelated logs and filtering them out. Nevertheless, logs are mostly composed with
-strings containing numbers which describe the system status and they are much less straight-forward for
-humans to understand and compare than plots and statistics.</p> <p>To reduce the difficulty of understanding what has happened behind these logs and better comparing
-them, we present a simple tool LogVisualizer to retrieve interesting (specified by the user)
-variables in the log files, generate timeseries based on these observations and draw plots to show
-them in a more human-friendly way. LogVisualizer also collects the statistics of the logs to
-present an overall view of what was going on.</p> <h1 id="preparation"><a href="#preparation" class="header-anchor">#</a> Preparation</h1> <p>Before using LogVisualizer, you should have it built. Since LogVisualizer is integrated in the
-server module as a tool, you can build the server together with LogVisualizer using:</p> <blockquote><p>mvn clean package -pl server -DskipTests</p></blockquote> <p>Then you fan find the scripts to start LogVisualizer in:
-<code>server/target/iotdb-server-{project-version}/tools/logVisualize</code></p> <p>To have access to the advanced usages of this tool, you must have some basic knowledge about regular
-expressions, especially Java style ones. Knowing about regular expressions enables to create your own
-visualization plans or modify the existing ones. However, if you are totally new to regular expressions,
-you can still use the preset plans which are only applicable to IoTDB.</p> <h1 id="usage-gui"><a href="#usage-gui" class="header-anchor">#</a> Usage(GUI)</h1> <h2 id="run-the-gui"><a href="#run-the-gui" class="header-anchor">#</a> Run the gui</h2> <p>You can run LogVisualizer using <code>log-visualizer-gui.sh</code> (or <code>log-visualizer-gui.bat</code> in windows).
-This will bring you a gui like:</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/main_panel.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="choose-the-log-file-s"><a href="#choose-the-log-file-s" class="header-anchor">#</a> Choose the log file(s)</h2> <p>First, you should choose a file containing the logs (or a directory containing such files) to be
-visualized. Notice that we currently only support single-line logs and logs with multiple lines
-will be ignored.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/select_log_file.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="choose-a-parser-property-file"><a href="#choose-a-parser-property-file" class="header-anchor">#</a> Choose a parser property file</h2> <p>Second, you should also choose a file describing how to parse the log file. For log files
-produced by IoTDB, we provide an example in
-<code>server/src/assembly/resources/tools/logVisualize/default.log.pattern</code>. If your logs have
-similar structure as the IoTDB ones, you may just use it, otherwise, you should read that file
-carefully and modify it for your logs.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/select_log_parser_property.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="load-logs"><a href="#load-logs" class="header-anchor">#</a> Load logs</h2> <p>Then, click the <code>Load logs</code> button to let the LogVisualizer to prepare to read the logs. If the
-preparation is successful, the label above will show <code>Logs are successfully loaded</code>, otherwise, a
-dialog will show you what has gone wrong and you should fix it accordingly.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/load_logs.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="load-plans"><a href="#load-plans" class="header-anchor">#</a> Load plans</h2> <p>Next, you can load existing visualization plans or create new ones. For loading existing plans,
-just click the button <code>Load plans</code> and choose the log files or directories that contain log
-files. Notice that if choose a directory, then the directory must only contain visualization plans.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/load_plan.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="create-new-plans"><a href="#create-new-plans" class="header-anchor">#</a> Create new plans</h2> <p>Now, we will present an example of how to create a new plan. First, click the <co [...]
-button and choose a place to save the new plan, then the plan will show up in the list in the
-left. The name of the file will be used as the plan's name and it must be different from
-any existing plans.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/create_plan.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="edit-plans"><a href="#edit-plans" class="header-anchor">#</a> Edit plans</h2> <p>After creating the new plan, you can edit it in the right panel. We provide an example in
-<code>server/src/assembly/resources/tools/logVisualize/plans/flushTimeConsumption.plan.example</code>,
-we strongly recommend you read it carefully to know how to fill the fields. You can also edit plans
-you have loaded here. Do not forget to click the <code>Save plan</code> button if you want to save what you
-have modified. If you want to create a plan that shows the time consumptions of jobs grouped by
-their type, you may set the fields like the following one.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/edit_plan.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="delete-plans"><a href="#delete-plans" class="header-anchor">#</a> Delete plans</h2> <p>If you don't need a plan anymore, you can select it and click <code>Delete plan</code> button. This will
-remove the plan from the disk.</p> <h2 id="execute-plans"><a href="#execute-plans" class="header-anchor">#</a> Execute plans</h2> <p>Finally, you can execute a plan by selecting it and click <code>Execute plan</code>. Please make sure you
-have loaded the logs. Afterwards, two tabs will be added into the main panel. The first contains
-timeseries charts each corresponding to log groups and plotting the measurements specified by the
-plan. The second one presents the statistics of each measurement of each log group. Once you have
-done browsing, you can click the button on the up-right to close the tab.</p> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/execute_plan.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <img src="https://github.com/jt2594838/PicHub/blob/master/log-visualizer/plot.png?raw=true" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <img src="https: [...]
-(or <code>log-visualizer-cmd.bat</code>). This tool takes exactly 4 parameters, which are: <code>the path of the log file</code> <code>the path of the parser property file</code> <code>the path of the visualization plan(s)</code> <code>the output directory</code>.
-Running this tool will load the given logs, run all the plans and save the result of each plan into
-a sub-directory of the output path.
-E.g.:</p> <blockquote><p>./log-visualizer-cmd.sh all.log default.log.pattern planB.plan results</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/837.8d60ad4f.js" defer></script>
-  </body>
-</html>
\ No newline at end of file
diff --git a/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html b/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html
index 0bb4348..5cbd5f3 100644
--- a/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html	
+++ b/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/838.8378b9be.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/139.6db93ff1.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/Memory Estimation Tool.html" class="nav-li [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -62,7 +62,9 @@ For Linux and Mac OS X users:</p> <ul><li>Assume that there are 20 storage group
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/838.8378b9be.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/139.6db93ff1.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html b/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html
index 7be50ed..5137a11 100644
--- a/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html	
+++ b/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/839.69736ef9.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/140.ca2d02d2.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/Monitor and Log Tools.html" class="nav-link [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -68,7 +68,9 @@ It should be noted that the difference between this method and the <code>getLogg
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/839.69736ef9.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/140.ca2d02d2.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/System Tools/Query History Visualization Tool.html b/UserGuide/V0.10.x/System Tools/Query History Visualization Tool.html
index 9dc57af..3f63393 100644
--- a/UserGuide/V0.10.x/System Tools/Query History Visualization Tool.html	
+++ b/UserGuide/V0.10.x/System Tools/Query History Visualization Tool.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/840.1475a2dc.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/141.77c549b4.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/Query History Visualization Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/Query History Visualization Tool [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/840.1475a2dc.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/141.77c549b4.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/System Tools/Sync Tool.html b/UserGuide/V0.10.x/System Tools/Sync Tool.html
index 1d40ca4..06e6eb5 100644
--- a/UserGuide/V0.10.x/System Tools/Sync Tool.html	
+++ b/UserGuide/V0.10.x/System Tools/Sync Tool.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/841.a2fb3ebd.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/142.31f74124.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/Sync Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/Sync Tool.html" class="nav-link">简体中文</a></li></ul></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -71,7 +71,9 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/841.a2fb3ebd.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/142.31f74124.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/System Tools/Watermark Tool.html b/UserGuide/V0.10.x/System Tools/Watermark Tool.html
index 7e1123d..9d53b6f 100644
--- a/UserGuide/V0.10.x/System Tools/Watermark Tool.html	
+++ b/UserGuide/V0.10.x/System Tools/Watermark Tool.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/143.219c7809.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/System Tools/Watermark Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/System Tools/Watermark Tool.html" class="nav-link">简体中文</a></li [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -145,7 +145,9 @@ select * from root
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/842.881778bf.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/143.219c7809.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.10.x/UserGuideReadme.html b/UserGuide/V0.10.x/UserGuideReadme.html
index ebc8953..5f28cad 100644
--- a/UserGuide/V0.10.x/UserGuideReadme.html
+++ b/UserGuide/V0.10.x/UserGuideReadme.html
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/144.86403ac4.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/UserGuideReadme.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/UserGuideRe [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -50,7 +50,9 @@
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 Other documents are for matching IoTDB released version.</p> <ul><li><a href="/UserGuide/master/Get Started/QuickStart.html">In progress version</a></li> <li><a href="/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html">Version 0.8.x</a></li> <li><a href="/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html">Version 0.9.x</a></li></ul></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/843.62beaf86.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/144.86403ac4.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Architecture/Files.html b/UserGuide/V0.11.x/Architecture/Files.html
index 070b8a7..abe6dcc 100644
--- a/UserGuide/V0.11.x/Architecture/Files.html
+++ b/UserGuide/V0.11.x/Architecture/Files.html
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/145.b0d75b0b.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -64,6 +64,6 @@ wal_dir= $IOTDB_HOME/data/wal
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/102.579834e7.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/145.b0d75b0b.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Architecture/Shared Nothing Cluster.html b/UserGuide/V0.11.x/Architecture/Shared Nothing Cluster.html
index 79d52c3..b686f17 100644
--- a/UserGuide/V0.11.x/Architecture/Shared Nothing Cluster.html	
+++ b/UserGuide/V0.11.x/Architecture/Shared Nothing Cluster.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/146.44ee29eb.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/103.c7478bad.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/146.44ee29eb.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Architecture/Writing Data on HDFS.html b/UserGuide/V0.11.x/Architecture/Writing Data on HDFS.html
index c5c5b0c..351f910 100644
--- a/UserGuide/V0.11.x/Architecture/Writing Data on HDFS.html	
+++ b/UserGuide/V0.11.x/Architecture/Writing Data on HDFS.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/147.dd8f29cd.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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   <body>
@@ -61,6 +61,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/104.f5e7dd53.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/147.dd8f29cd.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Command Line Interface.html b/UserGuide/V0.11.x/Client/Command Line Interface.html
index df3592c..8124dbf 100644
--- a/UserGuide/V0.11.x/Client/Command Line Interface.html	
+++ b/UserGuide/V0.11.x/Client/Command Line Interface.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/105.1877fc35.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/148.16d3650c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -110,6 +110,6 @@ pass=root
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/105.1877fc35.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/148.16d3650c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Programming - JDBC.html b/UserGuide/V0.11.x/Client/Programming - JDBC.html
index 90fc3fe..1c1e58b 100644
--- a/UserGuide/V0.11.x/Client/Programming - JDBC.html	
+++ b/UserGuide/V0.11.x/Client/Programming - JDBC.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/106.13a83952.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/149.83befbf1.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -211,6 +211,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/106.13a83952.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/149.83befbf1.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Programming - MQTT.html b/UserGuide/V0.11.x/Client/Programming - MQTT.html
index 5540f0d..a0fc77e 100644
--- a/UserGuide/V0.11.x/Client/Programming - MQTT.html	
+++ b/UserGuide/V0.11.x/Client/Programming - MQTT.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/107.ca50b2df.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/150.d5240349.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -101,6 +101,6 @@ The default <code>json</code> formatter support two json format, and the followi
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/107.ca50b2df.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/150.d5240349.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Programming - Native API.html b/UserGuide/V0.11.x/Client/Programming - Native API.html
index 0e8da6f..94f121d 100644
--- a/UserGuide/V0.11.x/Client/Programming - Native API.html	
+++ b/UserGuide/V0.11.x/Client/Programming - Native API.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/108.14b83f4d.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/151.ce689a5c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -157,6 +157,6 @@ void testInsertTablets(Map&lt;String, Tablet&gt; tablets, boolean sorted)
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/108.14b83f4d.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/151.ce689a5c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Programming - Other Languages.html b/UserGuide/V0.11.x/Client/Programming - Other Languages.html
index ac3fcea..69c8e92 100644
--- a/UserGuide/V0.11.x/Client/Programming - Other Languages.html	
+++ b/UserGuide/V0.11.x/Client/Programming - Other Languages.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/109.9e57d132.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/152.ab12c251.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -71,6 +71,6 @@ to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-exa
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/109.9e57d132.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/152.ab12c251.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Programming - TsFile API.html b/UserGuide/V0.11.x/Client/Programming - TsFile API.html
index ec35286..21f06fe 100644
--- a/UserGuide/V0.11.x/Client/Programming - TsFile API.html	
+++ b/UserGuide/V0.11.x/Client/Programming - TsFile API.html	
@@ -12,7 +12,7 @@
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   <body>
@@ -242,6 +242,6 @@ config.setXXX();
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/110.f75eefba.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Client/Status Codes.html b/UserGuide/V0.11.x/Client/Status Codes.html
index 3aa8397..7d901c2 100644
--- a/UserGuide/V0.11.x/Client/Status Codes.html	
+++ b/UserGuide/V0.11.x/Client/Status Codes.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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   <body>
@@ -73,6 +73,6 @@ A base exception class &quot;ProcessException&quot; is also added to be extended
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/111.24633fba.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Comparison/TSDB-Comparison.html b/UserGuide/V0.11.x/Comparison/TSDB-Comparison.html
index f41941c..b624d18 100644
--- a/UserGuide/V0.11.x/Comparison/TSDB-Comparison.html
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/112.fa3f6980.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -105,6 +105,6 @@ We also welcome more contributors correct this article and contribute IoTDB and
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/112.fa3f6980.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Concept/Compression.html b/UserGuide/V0.11.x/Concept/Compression.html
index 992ff53..357a020 100644
--- a/UserGuide/V0.11.x/Concept/Compression.html
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/113.754e0344.js" defer></script>
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-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Concept/Data Model and Terminology.html b/UserGuide/V0.11.x/Concept/Data Model and Terminology.html
index 63bb21e..d29b528 100644
--- a/UserGuide/V0.11.x/Concept/Data Model and Terminology.html	
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@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -70,6 +70,6 @@ now() - 1w //1 week earlier than the current server time
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/114.0a6fa7d5.js" defer></script>
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+</html>
diff --git a/UserGuide/V0.11.x/Concept/Data Type.html b/UserGuide/V0.11.x/Concept/Data Type.html
index 970c41b..627c6eb 100644
--- a/UserGuide/V0.11.x/Concept/Data Type.html	
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   </head>
   <body>
@@ -62,6 +62,6 @@ error: encoding TS_2DIFF does not support BOOLEAN
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/115.81bb384f.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Concept/Encoding.html b/UserGuide/V0.11.x/Concept/Encoding.html
index d33d83b..5902204 100644
--- a/UserGuide/V0.11.x/Concept/Encoding.html
+++ b/UserGuide/V0.11.x/Concept/Encoding.html
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   <body>
@@ -61,6 +61,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Ecosystem Integration/Grafana.html b/UserGuide/V0.11.x/Ecosystem Integration/Grafana.html
index bd33fb5..f41ea72 100644
--- a/UserGuide/V0.11.x/Ecosystem Integration/Grafana.html	
+++ b/UserGuide/V0.11.x/Ecosystem Integration/Grafana.html	
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   <body>
@@ -105,6 +105,6 @@ discrete_data_function=LAST_VALUE
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/117.18139bb0.js" defer></script>
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   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Ecosystem Integration/Hive TsFile.html b/UserGuide/V0.11.x/Ecosystem Integration/Hive TsFile.html
index 5e33ee0..aae2943 100644
--- a/UserGuide/V0.11.x/Ecosystem Integration/Hive TsFile.html	
+++ b/UserGuide/V0.11.x/Ecosystem Integration/Hive TsFile.html	
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   <body>
@@ -125,6 +125,6 @@ Write operation is under development.</p></div> <div class="page-nav"><p class="
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/118.f9ecd9db.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/161.081931ca.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/V0.11.x/Ecosystem Integration/MapReduce TsFile.html
index 49d2f50..caf8342 100644
--- a/UserGuide/V0.11.x/Ecosystem Integration/MapReduce TsFile.html	
+++ b/UserGuide/V0.11.x/Ecosystem Integration/MapReduce TsFile.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/119.ec69a9ab.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/162.25dbb514.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -159,6 +159,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/119.ec69a9ab.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/162.25dbb514.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Ecosystem Integration/Spark IoTDB.html b/UserGuide/V0.11.x/Ecosystem Integration/Spark IoTDB.html
index f8c68d6..1f78245 100644
--- a/UserGuide/V0.11.x/Ecosystem Integration/Spark IoTDB.html	
+++ b/UserGuide/V0.11.x/Ecosystem Integration/Spark IoTDB.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/120.09c2a3de.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/163.5fce889d.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -118,6 +118,6 @@ public class Example {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/120.09c2a3de.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/163.5fce889d.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Ecosystem Integration/Spark TsFile.html b/UserGuide/V0.11.x/Ecosystem Integration/Spark TsFile.html
index b829aef..79fb5e6 100644
--- a/UserGuide/V0.11.x/Ecosystem Integration/Spark TsFile.html	
+++ b/UserGuide/V0.11.x/Ecosystem Integration/Spark TsFile.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/121.6439566f.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/164.05dca5b6.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -117,6 +117,6 @@ There are two ways to show a set of time-series data:
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/121.6439566f.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/164.05dca5b6.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Get Started/Frequently asked questions.html b/UserGuide/V0.11.x/Get Started/Frequently asked questions.html
index 1081cdc..80d2a7b 100644
--- a/UserGuide/V0.11.x/Get Started/Frequently asked questions.html	
+++ b/UserGuide/V0.11.x/Get Started/Frequently asked questions.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/122.ecb201e7.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/165.d7398bfb.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -96,6 +96,6 @@ Readme.md
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/122.ecb201e7.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/165.d7398bfb.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Get Started/Publication.html b/UserGuide/V0.11.x/Get Started/Publication.html
index a9bd355..0fb1764 100644
--- a/UserGuide/V0.11.x/Get Started/Publication.html	
+++ b/UserGuide/V0.11.x/Get Started/Publication.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/123.aa0b00b8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/166.3df5c0b0.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -61,6 +61,6 @@ Tian Jiang, Lei Rui, Jinrui Zhang, Rong Kang, Julian Feinauer, Kevin A. McGrail,
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/123.aa0b00b8.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/166.3df5c0b0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Get Started/QuickStart.html b/UserGuide/V0.11.x/Get Started/QuickStart.html
index 42b3beb..375eba3 100644
--- a/UserGuide/V0.11.x/Get Started/QuickStart.html	
+++ b/UserGuide/V0.11.x/Get Started/QuickStart.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/124.29c58d16.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/167.1f2d77c8.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -138,6 +138,6 @@ IoTDB&gt; exit
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/124.29c58d16.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/167.1f2d77c8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Operation Manual/Administration.html b/UserGuide/V0.11.x/Operation Manual/Administration.html
index ed8688f..fa4a929 100644
--- a/UserGuide/V0.11.x/Operation Manual/Administration.html	
+++ b/UserGuide/V0.11.x/Operation Manual/Administration.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/125.c686b04b.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/168.48e44e5a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -69,6 +69,6 @@ INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/125.c686b04b.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/168.48e44e5a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Operation Manual/DDL Data Definition Language.html b/UserGuide/V0.11.x/Operation Manual/DDL Data Definition Language.html
index 6df5367..1e0c30b 100644
--- a/UserGuide/V0.11.x/Operation Manual/DDL Data Definition Language.html	
+++ b/UserGuide/V0.11.x/Operation Manual/DDL Data Definition Language.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/126.b205474c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/169.1bd43155.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -137,6 +137,6 @@ IoTDB&gt; FULL MERGE
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/126.b205474c.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/169.1bd43155.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Operation Manual/DML Data Manipulation Language.html b/UserGuide/V0.11.x/Operation Manual/DML Data Manipulation Language.html
index 9584988..0e19f2e 100644
--- a/UserGuide/V0.11.x/Operation Manual/DML Data Manipulation Language.html	
+++ b/UserGuide/V0.11.x/Operation Manual/DML Data Manipulation Language.html	
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@@ -167,6 +167,6 @@ supported in your version).</p> <p>Please notice that this function is experimen
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/127.3e2adff6.js" defer></script>
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+</html>
diff --git a/UserGuide/V0.11.x/Operation Manual/SQL Reference.html b/UserGuide/V0.11.x/Operation Manual/SQL Reference.html
index 425e9a0..892b178 100644
--- a/UserGuide/V0.11.x/Operation Manual/SQL Reference.html	
+++ b/UserGuide/V0.11.x/Operation Manual/SQL Reference.html	
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   <body>
@@ -740,6 +740,6 @@ eg. *
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     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/128.2fc3855d.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/Overview/Architecture.html b/UserGuide/V0.11.x/Overview/Architecture.html
index c14b238..119dc02 100644
--- a/UserGuide/V0.11.x/Overview/Architecture.html
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/129.f12cc937.js" defer></script>
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+</html>
diff --git a/UserGuide/V0.11.x/Overview/Features.html b/UserGuide/V0.11.x/Overview/Features.html
index 652fdf5..d02343f 100644
--- a/UserGuide/V0.11.x/Overview/Features.html
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
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-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/Overview/Scenario.html b/UserGuide/V0.11.x/Overview/Scenario.html
index 162b1e3..35b942d 100644
--- a/UserGuide/V0.11.x/Overview/Scenario.html
+++ b/UserGuide/V0.11.x/Overview/Scenario.html
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   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/131.6b5d0875.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/174.52e630b2.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/Overview/What is IoTDB.html b/UserGuide/V0.11.x/Overview/What is IoTDB.html
index d5b8d87..3af143f 100644
--- a/UserGuide/V0.11.x/Overview/What is IoTDB.html	
+++ b/UserGuide/V0.11.x/Overview/What is IoTDB.html	
@@ -12,7 +12,7 @@
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/132.a08e11b1.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/175.d5c992a7.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/Server/Cluster Setup.html b/UserGuide/V0.11.x/Server/Cluster Setup.html
index 5dab2ec..dd7ac0c 100644
--- a/UserGuide/V0.11.x/Server/Cluster Setup.html	
+++ b/UserGuide/V0.11.x/Server/Cluster Setup.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/176.54ff30f5.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -84,6 +84,6 @@ For performance tuning, you may want to collect the GC info.</p> <p>To enable GC
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/133.38d2e78d.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/176.54ff30f5.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/Server/Config Manual.html b/UserGuide/V0.11.x/Server/Config Manual.html
index 7ff6f4f..f373114 100644
--- a/UserGuide/V0.11.x/Server/Config Manual.html	
+++ b/UserGuide/V0.11.x/Server/Config Manual.html	
@@ -12,7 +12,7 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/177.9ff08aad.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -65,6 +65,6 @@ There will be at most 10 gc.log.* files and each one can reach to 10MB.</p></div
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/134.36883f0a.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/177.9ff08aad.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Server/Docker Image.html b/UserGuide/V0.11.x/Server/Docker Image.html
index 36373ed..2532f55 100644
--- a/UserGuide/V0.11.x/Server/Docker Image.html	
+++ b/UserGuide/V0.11.x/Server/Docker Image.html	
@@ -12,7 +12,7 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/135.28172fcf.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/178.8229dc07.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   </head>
   <body>
@@ -81,6 +81,6 @@ $ (now you have enter the container): /cli/sbin/start-cli.sh -h localhost -p 666
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/135.28172fcf.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/178.8229dc07.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Server/Download.html b/UserGuide/V0.11.x/Server/Download.html
index 9dfe079..c17da28 100644
--- a/UserGuide/V0.11.x/Server/Download.html
+++ b/UserGuide/V0.11.x/Server/Download.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/136.b3cd2325.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/179.cb4ae19c.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -65,6 +65,6 @@ You can download the source code from:</p> <div class="language- line-numbers-mo
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/136.b3cd2325.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/179.cb4ae19c.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Server/ServerFileList.html b/UserGuide/V0.11.x/Server/ServerFileList.html
index f19dd86..d165321 100644
--- a/UserGuide/V0.11.x/Server/ServerFileList.html
+++ b/UserGuide/V0.11.x/Server/ServerFileList.html
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.cdf3999a.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/137.1974b706.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.8bd957cc.js"><link rel="prefetch" href="/assets/js/101.c1fa8a84.js"><link rel="prefetch" href="/assets/js/102.579834e7.js">< [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/180.7bd1cdea.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -82,6 +82,6 @@ it will create pullSnapshotTask file to track which data to be pulled</li> <li>u
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/137.1974b706.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/180.7bd1cdea.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/Server/Single Node Setup.html b/UserGuide/V0.11.x/Server/Single Node Setup.html
index 2d90f6c..75d8d70 100644
--- a/UserGuide/V0.11.x/Server/Single Node Setup.html	
+++ b/UserGuide/V0.11.x/Server/Single Node Setup.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/181.f0909428.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -67,6 +67,6 @@ or
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/138.e357d9db.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/181.f0909428.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/System Tools/JMX Tool.html b/UserGuide/V0.11.x/System Tools/JMX Tool.html
index 0cef960..a9f756d 100644
--- a/UserGuide/V0.11.x/System Tools/JMX Tool.html	
+++ b/UserGuide/V0.11.x/System Tools/JMX Tool.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -72,6 +72,6 @@ Password:passw!d
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/139.898f0574.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/182.8065d1d5.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/System Tools/Load External Tsfile.html b/UserGuide/V0.11.x/System Tools/Load External Tsfile.html
index 1f31767..4fab385 100644
--- a/UserGuide/V0.11.x/System Tools/Load External Tsfile.html	
+++ b/UserGuide/V0.11.x/System Tools/Load External Tsfile.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/183.5e5b7b66.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   </head>
   <body>
@@ -62,6 +62,6 @@ If the <code>.resource</code> file corresponding to the file  exists, they will
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/140.da9d0dca.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/183.5e5b7b66.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/System Tools/Monitor and Log Tools.html b/UserGuide/V0.11.x/System Tools/Monitor and Log Tools.html
index 0f8a6ba..6991ca3 100644
--- a/UserGuide/V0.11.x/System Tools/Monitor and Log Tools.html	
+++ b/UserGuide/V0.11.x/System Tools/Monitor and Log Tools.html	
@@ -12,7 +12,7 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
@@ -71,6 +71,6 @@ It should be noted that the difference between this method and the <code>getLogg
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/141.aa574ada.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/184.3a9a6bf0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/System Tools/NodeTool.html b/UserGuide/V0.11.x/System Tools/NodeTool.html
index cb57b87..d55ac2a 100644
--- a/UserGuide/V0.11.x/System Tools/NodeTool.html	
+++ b/UserGuide/V0.11.x/System Tools/NodeTool.html	
@@ -12,7 +12,7 @@
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   </head>
   <body>
@@ -109,6 +109,6 @@ and 127.0.0.1:9005:40012 nodes cannot provide services.</p></div> <!----> <p sty
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/142.109bd571.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/185.13a67b35.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.11.x/System Tools/Performance Tracing Tool.html b/UserGuide/V0.11.x/System Tools/Performance Tracing Tool.html
index 01e50e9..4c23264 100644
--- a/UserGuide/V0.11.x/System Tools/Performance Tracing Tool.html	
+++ b/UserGuide/V0.11.x/System Tools/Performance Tracing Tool.html	
@@ -12,7 +12,7 @@
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   </head>
   <body>
@@ -70,6 +70,6 @@ Query Id: 2 - Total cost time: 11ms
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/143.a61a84bf.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/186.f1366608.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.11.x/System Tools/Query History Visualization Tool.html b/UserGuide/V0.11.x/System Tools/Query History Visualization Tool.html
index adc7e18..8d8bb24 100644
--- a/UserGuide/V0.11.x/System Tools/Query History Visualization Tool.html	
+++ b/UserGuide/V0.11.x/System Tools/Query History Visualization Tool.html	
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@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/144.39e2eb98.js" defer></script>
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@@ -74,6 +74,6 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/145.b1c8b517.js" defer></script>
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@@ -148,6 +148,6 @@ select * from root
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/146.1611878d.js" defer></script>
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@@ -53,6 +53,6 @@ Other documents are for matching IoTDB released version.</p> <ul><li><a href="ht
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
     Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
     see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.cdf3999a.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/147.2a4483ce.js" defer></script>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/190.6ae554f7.js" defer></script>
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+</html>
diff --git a/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html b/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html
index a901110..9da71cf 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
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   Wiki
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   Foundation
@@ -225,7 +225,9 @@ execute successfully.
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/844.8d5d4e7e.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/191.db4ac688.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/0-Get Started/2-Frequently asked questions.html b/UserGuide/V0.8.x/0-Get Started/2-Frequently asked questions.html
index 17d8824..2d0d889 100644
--- a/UserGuide/V0.8.x/0-Get Started/2-Frequently asked questions.html	
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
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   Wiki
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   Foundation
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/192.3a612c1e.js" defer></script>
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   Foundation
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     gitHub
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   Wiki
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   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/193.6598beac.js" defer></script>
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-</html>
\ No newline at end of file
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diff --git a/UserGuide/V0.8.x/1-Overview/1-What is IoTDB.html b/UserGuide/V0.8.x/1-Overview/1-What is IoTDB.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
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     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
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   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/194.a9d0c976.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.8.x/1-Overview/2-Architecture.html b/UserGuide/V0.8.x/1-Overview/2-Architecture.html
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   Foundation
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   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/848.36ca6c18.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/195.2652f0a7.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/1-Overview/3-Scenario.html b/UserGuide/V0.8.x/1-Overview/3-Scenario.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/1-Overview/3-Scenario.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/1-Overv [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/849.acad00e4.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/196.04a0bfcf.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/1-Overview/4-Features.html b/UserGuide/V0.8.x/1-Overview/4-Features.html
index 35b4cae..b1a606c 100644
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/197.dd13cfb1.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/1-Overview/4-Features.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/1-Overv [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/850.e0b40c48.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/197.dd13cfb1.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/1-Key Concepts and Terminology.html b/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/1-Key Concepts and Terminology.html
index 2f47b95..db95bf3 100644
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+++ b/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/1-Key Concepts and Terminology.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/198.3f6c6adb.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/1-Key Concepts and Terminology.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/2-Concept Key Concepts  [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -61,7 +61,9 @@ LayerName: Identifier | STAR
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/851.4d813bba.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/198.3f6c6adb.js" defer></script>
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\ No newline at end of file
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/2-Data Type.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/2-D [...]
     gitHub
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -59,7 +59,9 @@ error: encoding TS_2DIFF does not support BOOLEAN
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/852.98dad289.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/199.75b99760.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/3-Encoding.html b/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/3-Encoding.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/3-Encoding.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/3-En [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/853.62addfb0.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/200.7cd17a97.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/4-Compression.html b/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/4-Compression.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/4-Compression.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/2-Concept Key Concepts and Terminology/4 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/854.08f5f3c1.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/201.a6e6e33f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/1-Sample Data.html b/UserGuide/V0.8.x/3-Operation Manual/1-Sample Data.html
index cc828d3..70f4bf6 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/202.94408d05.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/2-Data Model Selection.html b/UserGuide/V0.8.x/3-Operation Manual/2-Data Model Selection.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/3-Operation Manual/2-Data Model Selection.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/3-Operation Manual/2-Data Model Selection.html" cla [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -73,7 +73,9 @@ IoTDB&gt; show timeseries root.ln
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/856.21cc77d7.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/203.c727decb.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/3-Data Import.html b/UserGuide/V0.8.x/3-Operation Manual/3-Data Import.html
index 0c1c422..2589c57 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/3-Operation Manual/3-Data Import.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/3-Operation Manual/3-Data Import.html" class="nav-link">简体中文 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -65,7 +65,9 @@ IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1, &quot;v1&
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/857.50732af7.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/204.c662e598.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html b/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html
index 247e872..db7cd5e 100644
--- a/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html	
+++ b/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html	
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/3-Operation Manual/4-Data Query.html" class="nav-link">简体中文</ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -98,7 +98,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/858.fe98c989.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/205.d4c38c17.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/5-Data Maintenance.html b/UserGuide/V0.8.x/3-Operation Manual/5-Data Maintenance.html
index e4828b2..d4e99d9 100644
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+++ b/UserGuide/V0.8.x/3-Operation Manual/5-Data Maintenance.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/206.094f6fbb.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/3-Operation Manual/5-Data Maintenance.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/3-Operation Manual/5-Data Maintenance.html" class="nav- [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -67,7 +67,9 @@ Msg: TimeSeries does not exist and its data cannot be deleted
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/859.439e9ac6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/206.094f6fbb.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/3-Operation Manual/6-Priviledge Management.html b/UserGuide/V0.8.x/3-Operation Manual/6-Priviledge Management.html
index 3b85230..91a92cd 100644
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+++ b/UserGuide/V0.8.x/3-Operation Manual/6-Priviledge Management.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/207.32edac55.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/3-Operation Manual/6-Priviledge Management.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/3-Operation Manual/6-Priviledge Management.html" c [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -66,7 +66,9 @@ INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/860.10d92f1f.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/207.32edac55.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html b/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html
index 4bfcef0..19d47cb 100644
--- a/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html	
+++ b/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html	
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/4-Deployment and Management/1-Deployment.html" class [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -114,7 +114,9 @@ Unix/OS X (or that of <code>sbin\start-client.bat</code> on Windows).</p></li></
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/861.8b2fc910.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/208.2d1c5472.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html b/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html
index 9b62506..7f6badf 100644
--- a/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html	
+++ b/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/209.f4587aa5.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/4-Deployment and Management/2-Configuration.html" [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -58,7 +58,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/862.62fd5b77.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/209.f4587aa5.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.html b/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.html
index 70b7be9..34cd819 100644
--- a/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.html	
+++ b/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/863.ee9f9c6b.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/210.2c4d0941.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/4-Deployment and Management/3-System Monitor.htm [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -61,7 +61,9 @@ This section describes how to use the JConsole <code>Mbean</code> tab to monitor
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/863.ee9f9c6b.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/210.2c4d0941.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/4-Performance Monitor.html b/UserGuide/V0.8.x/4-Deployment and Management/4-Performance Monitor.html
index edc3795..2890b93 100644
--- a/UserGuide/V0.8.x/4-Deployment and Management/4-Performance Monitor.html	
+++ b/UserGuide/V0.8.x/4-Deployment and Management/4-Performance Monitor.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/211.6863b601.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
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     gitHub
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   Wiki
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   Foundation
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       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/211.6863b601.js" defer></script>
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   Wiki
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   Foundation
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   Foundation
@@ -59,7 +59,9 @@ It should be noted that the difference between this method and the <code>getLogg
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/212.e1de07ae.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/6-Data Management.html b/UserGuide/V0.8.x/4-Deployment and Management/6-Data Management.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -64,7 +64,9 @@ wal_dir = data
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/866.049edd32.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/213.3087cee2.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html b/UserGuide/V0.8.x/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html
index 40965fe..2047778 100644
--- a/UserGuide/V0.8.x/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html	
+++ b/UserGuide/V0.8.x/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html	
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/4-Deployment and Management/7 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -78,7 +78,9 @@ $ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/867.15b02497.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/214.7600c1a0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/5-IoTDB SQL Documentation/1-IoTDB Query Statement.html b/UserGuide/V0.8.x/5-IoTDB SQL Documentation/1-IoTDB Query Statement.html
index 904f324..f523481 100644
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/215.baa988db.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/5-IoTDB SQL Documentation/1-IoTDB Query Statement.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/5-IoTDB SQL Documentation/1-IoTDB Query Sta [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -297,7 +297,9 @@ Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;P
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/868.a7d853a2.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/215.baa988db.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/5-IoTDB SQL Documentation/2-Reference.html b/UserGuide/V0.8.x/5-IoTDB SQL Documentation/2-Reference.html
index 16384c2..9741a9e 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/5-IoTDB SQL Documentation/2-Reference.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/5-IoTDB SQL Documentation/2-Reference.html" class="nav- [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -131,7 +131,9 @@ eg. *
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/869.ea014a1f.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/216.12fffa7d.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/6-JDBC API/1-JDBC API.html b/UserGuide/V0.8.x/6-JDBC API/1-JDBC API.html
index 6999cad..c0858ab 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
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     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -191,7 +191,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/870.a72360d9.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/217.44162fac.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/7-TsFile/1-Installation.html b/UserGuide/V0.8.x/7-TsFile/1-Installation.html
index cf64793..733facb 100644
--- a/UserGuide/V0.8.x/7-TsFile/1-Installation.html
+++ b/UserGuide/V0.8.x/7-TsFile/1-Installation.html
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/218.f1156906.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/7-TsFile/1-Installation.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/7-TsF [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -91,7 +91,9 @@ mvn clean install -Dmaven.test.skip=true
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/871.2c07a468.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/218.f1156906.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/7-TsFile/2-Usage.html b/UserGuide/V0.8.x/7-TsFile/2-Usage.html
index 89cacfe..e442860 100644
--- a/UserGuide/V0.8.x/7-TsFile/2-Usage.html
+++ b/UserGuide/V0.8.x/7-TsFile/2-Usage.html
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/872.9c9f284f.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/219.41ee83dc.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/7-TsFile/2-Usage.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/7-TsFile/2-U [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -274,7 +274,9 @@ Object getObjectValue();
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/872.9c9f284f.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/219.41ee83dc.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html b/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html
index 8b7799e..b4d7875 100644
--- a/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html
+++ b/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/220.1304c54a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/7-TsFile [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -61,7 +61,9 @@ stored as 3 &quot;min&quot; 4 3 in the TsFile.</p> <h3 id="file-metadata"><a hre
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/873.e7fe61ab.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/220.1304c54a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/8-System Tools/1-Sync.html b/UserGuide/V0.8.x/8-System Tools/1-Sync.html
index 499e73b..be1591f 100644
--- a/UserGuide/V0.8.x/8-System Tools/1-Sync.html	
+++ b/UserGuide/V0.8.x/8-System Tools/1-Sync.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/221.55805f36.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/8-System Tools/1-Sync.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/8-System Tools/1-Sync.html" class="nav-link">简体中文</a></li></ul></div></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -70,7 +70,9 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/874.8c377dee.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/221.55805f36.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html b/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html
index 312db40..f6a89b4 100644
--- a/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html	
+++ b/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/222.0e24eeb9.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/8-System Tools/2-Memory Estimation Tool.html" class=" [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -59,7 +59,9 @@ For Linux and Mac OS X users:</p> <ul><li>Assume that there are 20 storage group
         <a href="/UserGuide/V0.8.x/8-System Tools/1-Sync.html" class="prev">
           Sync
         </a></span> <!----></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/875.45268a75.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/222.0e24eeb9.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html b/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html
index b8eaae2..0f681a2 100644
--- a/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html	
+++ b/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html	
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/223.7d247d91.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">简体中文</a></li></u [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -128,7 +128,9 @@ IoTDB&gt; exit
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/876.46f07e43.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/223.7d247d91.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html b/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html
index fc3f1df..ba709b1 100644
--- a/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html	
+++ b/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/877.bc151cd9.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/224.de5267f6.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/2-Frequently asked questions.html" c [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -55,7 +55,7 @@
   | | / .'`\ \  | |      | |  | | |  __'.  
  _| |_| \__. | _| |_    _| |_.' /_| |__) | 
 |_____|'.__.' |_____|  |______.'|_______/  version x.x.x
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;0.9.2&lt;/version&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;0.9.3&lt;/version&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use JDBC API:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>String iotdbVersion = tsfileDatabaseMetadata.getDatabaseProductVersion();
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="where-can-i-find-iotdb-logs"><a href="#where-can-i-find-iotdb-logs" class="header-anchor">#</a> Where can I find IoTDB logs?</h2> <p>Suppose your root directory is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ pwd
 /workspace/incubator-iotdb
@@ -82,7 +82,9 @@ Readme.md
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/877.bc151cd9.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/224.de5267f6.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/0-Get Started/3-Publication.html b/UserGuide/V0.9.x/0-Get Started/3-Publication.html
index 5d780e8..76d16fa 100644
--- a/UserGuide/V0.9.x/0-Get Started/3-Publication.html	
+++ b/UserGuide/V0.9.x/0-Get Started/3-Publication.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/878.3330a954.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/225.72cd868a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/0-Get Started/3-Publication.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/3-Publication.html" class="nav-link">简体中文</a></li>< [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/878.3330a954.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/225.72cd868a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html b/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html
index 2d9fd99..1fe739a 100644
--- a/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html	
+++ b/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/879.045a1898.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/226.99a5ecd3.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/1-Overview/1-What is IoTDB.html" class="nav-link">简体中文</a></li></u [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/879.045a1898.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/226.99a5ecd3.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/1-Overview/2-Architecture.html b/UserGuide/V0.9.x/1-Overview/2-Architecture.html
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/1-Overview/2-Architecture.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/1-O [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/880.d23b8b9a.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/227.95e806d8.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/1-Overview/3-Scenario.html b/UserGuide/V0.9.x/1-Overview/3-Scenario.html
index e20383a..28ad46d 100644
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/228.35074e16.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/1-Overview/3-Scenario.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/1-Overv [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/881.a8c8b671.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/228.35074e16.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/1-Overview/4-Features.html b/UserGuide/V0.9.x/1-Overview/4-Features.html
index 4c4ffae..5ccbb97 100644
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+++ b/UserGuide/V0.9.x/1-Overview/4-Features.html
@@ -12,11 +12,11 @@
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/229.ec8ddae4.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/1-Overview/4-Features.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/1-Overv [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/882.d36fb83a.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/229.ec8ddae4.js" defer></script>
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diff --git a/UserGuide/V0.9.x/2-Concept/1-Data Model and Terminology.html b/UserGuide/V0.9.x/2-Concept/1-Data Model and Terminology.html
index 8eb2c6e..a993aa6 100644
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/2-Concept/1-Data Model and Terminology.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/2-Concept/1-Data Model and Terminology.html" class="na [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -66,7 +66,9 @@ now() - 1w //1 week earlier than the current server time
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/883.185e2ba3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/230.6fd3603f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/2-Concept/2-Data Type.html b/UserGuide/V0.9.x/2-Concept/2-Data Type.html
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/231.6a89e198.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/2-Concept/2-Data Type.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/2-Concept/2-Data Type.html" class="nav-link">简体中文</a></li></ul></div></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -59,7 +59,9 @@ error: encoding TS_2DIFF does not support BOOLEAN
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/884.daa2ffc9.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/231.6a89e198.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/2-Concept/3-Encoding.html b/UserGuide/V0.9.x/2-Concept/3-Encoding.html
index 35d2abf..7b4aec7 100644
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/232.19c9d5d6.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/2-Concept/3-Encoding.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/2-Concep [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/885.10e6530b.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/232.19c9d5d6.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/2-Concept/4-Compression.html b/UserGuide/V0.9.x/2-Concept/4-Compression.html
index 429272d..342633d 100644
--- a/UserGuide/V0.9.x/2-Concept/4-Compression.html
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/233.55bd9966.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/2-Concept/4-Compression.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/2-Con [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/886.449b497f.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/233.55bd9966.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/3-Server/1-Download.html b/UserGuide/V0.9.x/3-Server/1-Download.html
index 72ce7a6..2e1d975 100644
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/234.dd3a54e3.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/3-Server/1-Download.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/3-Server/ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -62,7 +62,9 @@ You can download the source code from:</p> <div class="language- line-numbers-mo
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/887.40f6f681.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/234.dd3a54e3.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html b/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html
index 322f569..9d3b316 100644
--- a/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html	
+++ b/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html	
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/235.cc196546.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   </head>
   <body>
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/3-Server/2-Single Node Setup.html" class="nav-link">简体中文</a></li [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -62,7 +62,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/888.57b723ad.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/235.cc196546.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html b/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html
index 626cb65..3982a39 100644
--- a/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html	
+++ b/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html	
@@ -12,11 +12,11 @@
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html" class="nav-link">简体中文</a></li></ul></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/889.90ae10c8.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/236.4f612202.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/3-Server/4-Config Manual.html b/UserGuide/V0.9.x/3-Server/4-Config Manual.html
index 64ff34c..b284bdc 100644
--- a/UserGuide/V0.9.x/3-Server/4-Config Manual.html	
+++ b/UserGuide/V0.9.x/3-Server/4-Config Manual.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/890.bff87344.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/237.b6ae5fae.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/3-Server/4-Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/3-Server/4-Config Manual.html" class="nav-link">简体中文</a></li></ul></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -58,7 +58,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/890.bff87344.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/237.b6ae5fae.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/3-Server/5-Docker Image.html b/UserGuide/V0.9.x/3-Server/5-Docker Image.html
index 688ebf6..7ee0fe3 100644
--- a/UserGuide/V0.9.x/3-Server/5-Docker Image.html	
+++ b/UserGuide/V0.9.x/3-Server/5-Docker Image.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/891.73c3551e.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/238.2bb53b96.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/3-Server/5-Docker Image.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/3-Server/5-Docker Image.html" class="nav-link">简体中文</a></li></ul></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -67,7 +67,7 @@ $ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ol start="5"><li>If you want to write codes to insert data and query data, please add the following dependence:</li></ol> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code>        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
             <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
             <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>iotdb-jdbc<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>0.9.2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
+            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>0.9.3<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
         <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Some examples about how to use IoTDB with IoTDB-JDBC can be found at: https://github.com/apache/incubator-iotdb/tree/master/example/jdbc/src/main/java/org/apache/iotdb</p> <ol start="6"><li>Now enjoy it!</li></ol></div> <div class="page-na [...]
         ←
@@ -78,7 +78,9 @@ $ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/891.73c3551e.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/238.2bb53b96.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html b/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html
index e64cda3..ed0fef9 100644
--- a/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html	
+++ b/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/892.836bfef1.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/239.bf190807.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/4-Client/1-Command Line Interface.html" class="nav-link">简体 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -92,7 +92,9 @@ pass=root
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/892.836bfef1.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/239.bf190807.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html b/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html
index 2b00b85..1983f85 100644
--- a/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html	
+++ b/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/893.2d2f9bad.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/240.494fdd6f.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/4-Client/2-Programming - JDBC.html" class="nav-link">简体中文</a></ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -54,7 +54,7 @@
     &lt;dependency&gt;
       &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
       &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
-      &lt;version&gt;0.9.2&lt;/version&gt;
+      &lt;version&gt;0.9.3&lt;/version&gt;
     &lt;/dependency&gt;
 &lt;/dependencies&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
@@ -221,7 +221,9 @@ A base exception class &quot;ProcessException&quot; is also added to be extended
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/893.2d2f9bad.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/240.494fdd6f.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/4-Client/3-Programming - Session.html b/UserGuide/V0.9.x/4-Client/3-Programming - Session.html
index b4eb4ca..8ccb794 100644
--- a/UserGuide/V0.9.x/4-Client/3-Programming - Session.html	
+++ b/UserGuide/V0.9.x/4-Client/3-Programming - Session.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/894.1cc0cfa5.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/241.b8383341.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/4-Client/3-Programming - Session.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/4-Client/3-Programming - Session.html" class="nav-link">简体中文 [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -52,7 +52,7 @@
     <span class="token generics"><span class="token punctuation">&lt;</span>dependency<span class="token punctuation">&gt;</span></span>
       <span class="token generics"><span class="token punctuation">&lt;</span>groupId<span class="token punctuation">&gt;</span></span>org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">&gt;</span>
       <span class="token generics"><span class="token punctuation">&lt;</span>artifactId<span class="token punctuation">&gt;</span></span>iotdb<span class="token operator">-</span>session<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">&gt;</span>
-      <span class="token generics"><span class="token punctuation">&lt;</span>version<span class="token punctuation">&gt;</span></span><span class="token number">0.9</span><span class="token number">.2</span><span class="token operator">&lt;</span><span class="token operator">/</span>version<span class="token operator">&gt;</span>
+      <span class="token generics"><span class="token punctuation">&lt;</span>version<span class="token punctuation">&gt;</span></span><span class="token number">0.9</span><span class="token number">.3</span><span class="token operator">&lt;</span><span class="token operator">/</span>version<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">&gt;</span>
 <span class="token operator">&lt;</span><span class="token operator">/</span>dependencies<span class="token operator">&gt;</span>
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h3 id="examples-with-session-interfaces"><a href="#examples-with-session-interfaces" class="header-anchor">#</a> Examples with Session interfaces</h3> <p>Here we sho [...]
@@ -73,7 +73,9 @@ you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li>
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/894.1cc0cfa5.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/241.b8383341.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html b/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html
index af5b8d2..8ec1c23 100644
--- a/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html	
+++ b/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/895.22f91631.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/242.eb1e67da.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/4-Client/4-Programming - Other Languages.html" class [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -68,7 +68,9 @@ to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-exa
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/895.22f91631.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/242.eb1e67da.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html b/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html
index c1bfad2..fc8e3ad 100644
--- a/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html	
+++ b/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/243.30365c8a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/4-Client/5-Programming - TsFile API.html" class="nav-link [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -51,13 +51,13 @@
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 cd tsfile/
 mvn clean package -Dmaven.test.skip=true
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.9.2-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the source [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.9.3-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the source [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
 mvn clean install -Dmaven.test.skip=true
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
    &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
    &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.9.2&lt;/version&gt;
+   &lt;version&gt;0.9.3&lt;/version&gt;
  &lt;/dependency&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
 , add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
@@ -80,7 +80,7 @@ mvn clean install -Dmaven.test.skip=true
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
    &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
    &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.9.2&lt;/version&gt;
+   &lt;version&gt;0.9.3&lt;/version&gt;
  &lt;/dependency&gt;
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul></li></ul> <h2 id="tsfile-usage"><a href="#tsfile-usage" class="header-anchor">#</a> TSFile Usage</h2> <p>This section demonstrates the detailed usages of TsFile.</p> <h3 id="time-series-data"><a href="#time-series-data" class="head [...]
 sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
@@ -371,7 +371,9 @@ bloomFilterErrorRate=0.05
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/896.9d2de6b1.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/243.30365c8a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition Language.html b/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition Language.html
index b7aa927..d6f420c 100644
--- a/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition Language.html	
+++ b/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition Language.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/897.7e4ff303.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/244.4bbbca85.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition Language.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/5-Operation Manual/1-DDL Data Definition La [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -93,7 +93,9 @@ IoTDB&gt; show devices root.ln
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/897.7e4ff303.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/244.4bbbca85.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulation Language.html b/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulation Language.html
index 86e733d..3a55326 100644
--- a/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulation Language.html	
+++ b/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulation Language.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/245.a8c76bff.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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   Foundation
@@ -32,7 +32,7 @@
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   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulation Language.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/5-Operation Manual/2-DML Data Manipulatio [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -74,7 +74,7 @@ IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1, &quot;v1&
 <center><img src="https://user-images.githubusercontent.com/13203019/51577679-9f4daf00-1ef5-11e9-8d8b-06a58de6efc1.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <ul><li>Linear Method</li></ul> <p>When the value of the queried timestamp is null, the value of the previous and the next timestamp is used to fill the blank. The formalized linear method is as follows:</p> <div class="language- line-numbers-mode"><pre cl [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-5.</p> <p><strong>Table 3-5 Linear fill paramter list</strong></p> <table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mandatory fi [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) and its value 21.927326, the next timestamp 2017-11-01T16:39:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 20 [...]
-<center><img src="https://user-images.githubusercontent.com/13203019/51577727-d4f29800-1ef5-11e9-8ff3-3bb519da3993.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="correspondence-between-data-type-and-fill-method"><a href="#correspondence-between-data-type-and-fill-method" class="header-anchor">#</a> Correspondence between Data Type and Fill Method</h4> <p>Data types and the supported fill methods are shown i [...]
+<center><img src="https://user-images.githubusercontent.com/13203019/51577727-d4f29800-1ef5-11e9-8ff3-3bb519da3993.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="correspondence-between-data-type-and-fill-method"><a href="#correspondence-between-data-type-and-fill-method" class="header-anchor">#</a> Correspondence between Data Type and Fill Method</h4> <p>Data types and the supported fill methods are shown i [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires the first 10 rows of the query result be returned.</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577752-efc50c80-1ef5-11e9-9071-da2bbd8b9bdd.jpg" styl [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires rows 3 to 7 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577773-08352700-1ef6 [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires rows 3 to 4 of  the status and temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be returned (with the first row numbered as row 0).</p [...]
@@ -107,7 +107,9 @@ Msg: TimeSeries does not exist and its data cannot be deleted
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/898.1de8a8be.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/245.a8c76bff.js" defer></script>
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-</html>
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+</html>
diff --git a/UserGuide/V0.9.x/5-Operation Manual/3-Account Management Statements.html b/UserGuide/V0.9.x/5-Operation Manual/3-Account Management Statements.html
index 6f60350..532916b 100644
--- a/UserGuide/V0.9.x/5-Operation Manual/3-Account Management Statements.html	
+++ b/UserGuide/V0.9.x/5-Operation Manual/3-Account Management Statements.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -48,8 +48,8 @@
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   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/5-Operation Manual/3-Account Management Statements.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/5-Operation Manual/3-Account Management St [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-CREATE USER sgcc_write_user write_pwd
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+CREATE USER sgcc_write_user 'write_pwd'
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then use the following SQL statement to show the user:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>As can be seen from the result shown below, the two users have been created:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51578263-e2a91d00-1ef7-11e9-94e8-28819b6fea87.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <h3 id="grant-user-priviledge"><a href="#grant-user-priviledge" class="header- [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51597609-9af5b600-1f36-11e9-9460-8ab185eb4735.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>Now, we grant the two users write priviledges to the corr [...]
@@ -65,7 +65,9 @@ INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/899.02316ae4.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/246.3e9bc6b4.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html b/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html
index 7c2aa2b..1f53a34 100644
--- a/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html	
+++ b/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/900.dde8f1a0.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/247.0c0649cc.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/5-Operation Manual/4-SQL Reference.html" class="nav-link"> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -50,7 +50,7 @@
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------------------------------------------------------------------+
-|                                                             0.9.2|
+|                                                             0.9.3|
 +---------------------------------------------------------------------------+
 It costs 0.001s
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="schema-statement"><a href="#schema-statement" class="header-anchor">#</a> Schema Statement</h2> <ul><li>Set Storage Group</li></ul> <div class="language-SQL line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SET</span> STORAGE <span class="toke [...]
@@ -525,7 +525,9 @@ eg. *
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/900.dde8f1a0.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/247.0c0649cc.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html b/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html
index a7dd428..c16765d 100644
--- a/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html	
+++ b/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/901.15b2f53c.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/248.a79eb946.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/1-Sync Tool.html" class="nav-link">简体中文</a></li></u [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -71,7 +71,9 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/901.15b2f53c.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/248.a79eb946.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html b/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html
index f3bad34..d80ee0c 100644
--- a/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html	
+++ b/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/902.fb5e0014.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/249.3ab14f51.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/2-Memory Estimation Tool.html" class=" [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -62,7 +62,9 @@ For Linux and Mac OS X users:</p> <ul><li>Assume that there are 20 storage group
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/902.fb5e0014.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/249.3ab14f51.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html b/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html
index 031eed3..2011800 100644
--- a/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html	
+++ b/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/250.791c30a9.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html" class="nav-link">简体中文</a></li></ul> [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/903.d2573a61.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/250.791c30a9.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html b/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html
index 688bc78..fd491a2 100644
--- a/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html	
+++ b/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/251.4dcd8883.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/4-Watermark Tool.html" class="nav-link">简体中文</ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -145,7 +145,9 @@ select * from root
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/904.2a3c01a3.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/251.4dcd8883.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/5-Log Visualizer.html b/UserGuide/V0.9.x/6-System Tools/5-Log Visualizer.html
index 95e9001..734188b 100644
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+++ b/UserGuide/V0.9.x/6-System Tools/5-Log Visualizer.html	
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/5-Log Visualizer.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/5-Log Visualizer.html" class="nav-link">简体中文</ [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -99,7 +99,9 @@ done browsing, you can click the button on the up-right to close the tab.</p> <i
 Running this tool will load the given logs, run all the plans and save the result of each plan into
 a sub-directory of the output path.
 E.g.:</p> <blockquote><p>./log-visualizer-cmd.sh all.log default.log.pattern planB.plan results</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/905.f358672b.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/252.9bdbdfc0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/6-Query History Visualization Tool.html b/UserGuide/V0.9.x/6-System Tools/6-Query History Visualization Tool.html
index 3c7d6a7..f4e2f12 100644
--- a/UserGuide/V0.9.x/6-System Tools/6-Query History Visualization Tool.html	
+++ b/UserGuide/V0.9.x/6-System Tools/6-Query History Visualization Tool.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/906.fbb7833d.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/253.da152028.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/6-Query History Visualization Tool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/6-Query History Visualizatio [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -57,7 +57,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/906.fbb7833d.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/253.da152028.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html b/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html
index 0912425..8f25a60 100644
--- a/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html	
+++ b/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/254.f5d58630.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html" class="na [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -49,7 +49,7 @@
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html" class="na [...]
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-This section describes how to use the JConsole <code>Mbean</code> tab to monitor the number of files opened by the IoTDB service process, the size of the data file, and so on. Once connected to JMX, you can find the <code>MBean</code> named <code>org.apache.iotdb.service</code> through the <code>MBeans</code> tab, as shown in the following Figure.</p> <img src="https://user-images.githubusercontent.com/20263106/53316064-54aec080-3901-11e9-9a49-76563ac09192.png" style="width:100%;max-widt [...]
+This section describes how to use the JConsole <code>Mbean</code> tab to monitor the number of files opened by the IoTDB service process, the size of the data file, and so on. Once connected to JMX, you can find the <code>MBean</code> named <code>org.apache.iotdb.service</code> through the <code>MBeans</code> tab, as shown in the following Figure.</p> <img src="https://user-images.githubusercontent.com/20263106/53316064-54aec080-3901-11e9-9a49-76563ac09192.png" style="width:100%;max-widt [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to know the successfule writing points number of root.ln (storage group), here is the query statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select TOTAL_POINTS_SUCCESS from root.stats.write.root_ln
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to know the current timeseries point in the system, you can use <code>MAX_VALUE</code> function to query. Here is the query statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select MAX_VALUE(TOTAL_POINTS_SUCCESS) from root.stats.write.root_ln
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="file-size-monitor"><a href="#file-size-monitor" class="header-anchor">#</a> File Size Monitor</h4> <p>Sometimes we are concerned about how the data file size of IoTDB is changing, maybe to help calculate how much disk space is left or the data ingestion speed. The File Size Monitor provides several statistics to show how different types of file-sizes change.</p> <p>The file size moni [...]
@@ -68,7 +68,9 @@ It should be noted that the difference between this method and the <code>getLogg
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/907.b649a952.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/254.f5d58630.js" defer></script>
   </body>
-</html>
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+</html>
diff --git a/UserGuide/V0.9.x/6-System Tools/8-Load External Tsfile.html b/UserGuide/V0.9.x/6-System Tools/8-Load External Tsfile.html
deleted file mode 100644
index 0391dc1..0000000
--- a/UserGuide/V0.9.x/6-System Tools/8-Load External Tsfile.html	
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
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-The second parameter indicates the path of the tsfile to be loaded and the name of the tsfile needs to conform to the tsfile naming convention, that is, <code>{systemTime}-{versionNum}-{mergeNum} .tsfile</code>. The third and fourth parameters are optional. When the metadata corresponding to the timeseries in the tsfile to be loaded does not exist, you can choose whether to create the schema automatically. If the third parameter is true, the schema will be created automatically. If the t [...]
-If the <code>.resource</code> file corresponding to the file exists, it will be loaded into the data directory and engine of the Apache IoTDB. Otherwise, the corresponding <code>.resource</code> file will be regenerated from the tsfile file.
-Examples:</p> <ul><li><code>load /Users/Desktop/data/1575028885956-101-0.tsfile</code></li> <li><code>load /Users/Desktop/data/1575028885956-101-0.tsfile false</code></li> <li><code>load /Users/Desktop/data/1575028885956-101-0.tsfile true</code></li> <li><code>load /Users/Desktop/data/1575028885956-101-0.tsfile true 2</code></li></ul></li> <li><p>Load a batch of files by specifying a folder path (absolute path).
-The second parameter indicates the path of the tsfile to be loaded and the name of the tsfiles need to conform to the tsfile naming convention, that is, <code>{systemTime}-{versionNum}-{mergeNum} .tsfile</code>. The third and fourth parameters are optional. When the metadata corresponding to the time series in the tsfile to be loaded does not exist, you can choose whether to create the schema automatically. If the third parameter is true, the schema will be created automatically. If the  [...]
-If the <code>.resource</code> file corresponding to the file  exists, they will be loaded into the data directory and engine of the Apache IoTDB. Otherwise, the corresponding<code>.resource</code> files will be regenerated from the tsfile sfile.
-Examples:</p> <ul><li><code>load /Users/Desktop/data</code></li> <li><code>load /Users/Desktop/data false</code></li> <li><code>load /Users/Desktop/data true</code></li> <li><code>load /Users/Desktop/data true 2</code></li></ul></li></ol> <h2 id="remove-a-tsfile"><a href="#remove-a-tsfile" class="header-anchor">#</a> remove a tsfile</h2> <p>The command to delete a tsfile is: <code>remove &lt;path&gt;</code>.</p> <p>This command deletes a tsfile by specifying the file path. The specific i [...]
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diff --git a/UserGuide/V0.9.x/7-Ecosystem Integration/1-Grafana.html b/UserGuide/V0.9.x/7-Ecosystem Integration/1-Grafana.html
index 6bcce02..160f314 100644
--- a/UserGuide/V0.9.x/7-Ecosystem Integration/1-Grafana.html	
+++ b/UserGuide/V0.9.x/7-Ecosystem Integration/1-Grafana.html	
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 <ul><li>Grafana installation
 <ul><li>Install Grafana</li> <li>Install data source plugin</li> <li>Start Grafana</li></ul></li> <li>IoTDB installation</li> <li>IoTDB-Grafana installation
 <ul><li>Start IoTDB-Grafana</li></ul></li> <li>Explore in Grafana
-<ul><li>Add data source</li> <li>Design in dashboard</li></ul></li></ul></li></ul> <h1 id="iotdb-grafana"><a href="#iotdb-grafana" class="header-anchor">#</a> IoTDB-Grafana</h1> <p>This project provides a connector which reads data from IoTDB and sends to Grafana(https://grafana.com/). Before you use this tool, make sure Grafana and IoTDB are correctly installed and started.</p> <h2 id="grafana-installation"><a href="#grafana-installation" class="header-anchor">#</a> Grafana installation [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, you can manually download the .zip file and unpack it into your grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugin\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <h3 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start  [...]
+<ul><li>Add data source</li> <li>Design in dashboard</li></ul></li></ul></li></ul> <h1 id="iotdb-grafana-2"><a href="#iotdb-grafana-2" class="header-anchor">#</a> IoTDB-Grafana</h1> <p>This project provides a connector which reads data from IoTDB and sends to Grafana(https://grafana.com/). Before you use this tool, make sure Grafana and IoTDB are correctly installed and started.</p> <h2 id="grafana-installation"><a href="#grafana-installation" class="header-anchor">#</a> Grafana installa [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, you can manually download the .zip file and unpack it into your grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugins\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <h3 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start [...]
 First make sure homebrew/services is installed by running <code>brew tap homebrew/services</code>, then start Grafana using: <code>brew services start grafana</code>.
 See more information <a href="http://docs.grafana.org/installation/mac/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3, [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="start-iotdb-grafana"><a href="#start-iotdb-grafana" class="header-anchor">#</a> Start IoTDB-Grafana</h3> <h4 id="option-one"><a href="#option-one" class="header-anchor">#</a> Option one</h4> <p>Import the entire project, after the maven dependency is installed, directly run<code>incubatoriotdb/grafana/rc/main/java/org/apache/iotdb/web/grafana</code>directory<code>TsfileWebDemoApplica [...]
 mvn clean package -pl grafana -am -Dmaven.test.skip<span class="token operator">=</span>true
-<span class="token builtin class-name">cd</span> grafana
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Copy <code>application.properties</code> from <code>conf/</code> directory to <code>target</code> directory. (Or just make sure that <code>application.properties</code> and <code>iotdb-grafana-{version}.war</code> are in the same directory.)</p> <p>Edit <code>application.properties</code></p> <div class="language- [...]
-spring.datasource.url = jdbc:iotdb://127.0.0.1:6667/
-spring.datasource.username = root
-spring.datasource.password = root
-spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
-server.port = 8888
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="start-iotdb-grafana"><a href="#start-iotdb-grafana" class="header-anchor">#</a> Start IoTDB-Grafana</h3> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class [...]
+<span class="token builtin class-name">cd</span> grafana/target
 java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>If you see the following output, iotdb-grafana connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>If you see the following output, iotdb-grafana connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</s [...]
 
   <span class="token builtin class-name">.</span>   ____          _            __ _ _
  /<span class="token punctuation">\</span><span class="token punctuation">\</span> / ___<span class="token string">'_ __ _ _(_)_ __  __ _ \ \ \ \
@@ -76,8 +70,26 @@ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span cla
  <span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">=</span><span class="token operator">|</span>_<span class="token operator">|</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span [...]
  :: Spring Boot ::        <span class="token punctuation">(</span>v1.5.4.RELEASE<span class="token punctuation">)</span>
 <span class="token punctuation">..</span>.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h2 id="explore-in-grafana"><a href="#explore-in-gr [...]
-<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="design-in-dashboard"><a href="#design-in-dashboard [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>If you need to configure properties, move the <c [...]
+<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="design-in-dashboard"><a href="#design-in-dashboard [...]
+spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
+spring.datasource.username=root
+spring.datasource.password=root
+spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
+server.port=8888
+# Use this value to set timestamp precision as &quot;ms&quot;, &quot;us&quot; or &quot;ns&quot;, which must to be same with the timestamp
+# precision of Apache IoTDB engine.
+timestamp_precision=ms
+
+# Use this value to set down sampling true/false
+isDownSampling=true
+# defaut sampling intervals
+interval=1m
+# aggregation function to use to downsampling the data
+# COUNT, FIRST, LAST, MAX_TIME, MAX_VALUE, AVG, MIN_TIME, MIN_VALUE, NOW, SUM
+function=avg
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
         ←
         <a href="/UserGuide/V0.9.x/6-System Tools/7-Monitor and Log Tools.html" class="prev">
           Monitor and Log Tools
@@ -86,7 +98,9 @@ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span cla
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/909.a1378551.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/255.215fdec0.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html b/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html
index ef0eb43..de13b6b 100644
--- a/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html	
+++ b/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/910.16e94832.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/256.a36a962e.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
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@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html" c [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -50,7 +50,7 @@
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 <ul><li>About TsFile-Hadoop-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>TSFInputFormat Explanation</li> <li>Examples
-<ul><li>Read Example: calculate the sum</li> <li>Write Example: write the average into Tsfile</li></ul></li></ul></li></ul> <h1 id="tsfile-hadoop-connector-user-guide"><a href="#tsfile-hadoop-connector-user-guide" class="header-anchor">#</a> TsFile-Hadoop-Connector User Guide</h1> <h2 id="about-tsfile-hadoop-connector"><a href="#about-tsfile-hadoop-connector" class="header-anchor">#</a> About TsFile-Hadoop-Connector</h2> <p>TsFile-Hadoop-Connector implements the support of Hadoop for ext [...]
+<ul><li>Read Example: calculate the sum</li> <li>Write Example: write the average into Tsfile</li></ul></li></ul></li></ul> <h1 id="tsfile-hadoop-connector-user-guide"><a href="#tsfile-hadoop-connector-user-guide" class="header-anchor">#</a> TsFile-Hadoop-Connector User Guide</h1> <h2 id="about-tsfile-hadoop-connector"><a href="#about-tsfile-hadoop-connector" class="header-anchor">#</a> About TsFile-Hadoop-Connector</h2> <p>TsFile-Hadoop-Connector implements the support of Hadoop for ext [...]
     &quot;time_stamp&quot;: 10000000,
     &quot;device_id&quot;:  d1,
     &quot;s1&quot;:         true,
@@ -156,7 +156,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/910.16e94832.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/256.a36a962e.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html b/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html
index 7c899c7..b9bfebc 100644
--- a/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html	
+++ b/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/911.8f3fd51c.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/257.127b7b32.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html" class="na [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -48,8 +48,8 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html" class="na [...]
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-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h3> <p>Start Spark with TsFi [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h3> <p>Start Spark with TsFi [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h2 id="_4-data-type-correspondence"><a href="#_4-data-type-correspondence" class="header-anchor">#</a> 4. Data Type Corresponde [...]
 <span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">)</span>  
 wide_df<span class="token punctuation">.</span>show
@@ -103,7 +103,7 @@ df<span class="token punctuation">.</span>write<span class="token punctuation">.
 
 <span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>
 newDf<span class="token punctuation">.</span>show
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="appendix-a-old-design-of-schema-inference"><a href="#appendix-a-old-design-of-sche [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="appendix-a-old-design-of-schema-inference"><a href="#appendix-a-old-design-of-sche [...]
         ←
         <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html" class="prev">
           MapReduce TsFile
@@ -112,7 +112,9 @@ newDf<span class="token punctuation">.</span>show
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/911.8f3fd51c.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/257.127b7b32.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html b/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html
index 71f832c..1b1b2d1 100644
--- a/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html	
+++ b/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/912.3d570e40.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/258.874f1e8a.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
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     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -48,12 +48,12 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html" class="nav- [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
       &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
       &lt;artifactId&gt;spark-iotdb-connector&lt;/artifactId&gt;
-      &lt;version&gt;0.9.2&lt;/version&gt;
+      &lt;version&gt;0.9.3&lt;/version&gt;
     &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
 
 import org.apache.iotdb.spark.db._
 
@@ -62,7 +62,7 @@ val df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;u
 df.printSchema()
 
 df.show()
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="if-you-want-to-partition-your-rdd-you-can-do-as-following"><a href="#if-you-want-t [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="if-you-want-to-partition-your-rdd-you-can-do-as-following"><a href="#if-you-want-t [...]
 
 import org.apache.iotdb.spark.db._
 
@@ -117,7 +117,9 @@ public class Example {
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/912.3d570e40.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/258.874f1e8a.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html b/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html
index 1b41f2b..83c031d 100644
--- a/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html	
+++ b/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/913.b30e20b6.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/259.b680a262.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
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     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -50,10 +50,10 @@
     gitHub
     <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
 <ul><li>About TsFile-Hive-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>Add Dependency For Hive</li> <li>Creating Tsfile-backed Hive tables</li> <li>Querying from Tsfile-backed Hive tables
-<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h1 id="tsfile-hive-connector-user-guide"><a href="#tsfile-hive-connector-user-guide" class="header-anchor">#</a> TsFile-Hive-Connector User Guide</h1> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsf [...]
+<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h1 id="tsfile-hive-connector-user-guide"><a href="#tsfile-hive-connector-user-guide" class="header-anchor">#</a> TsFile-Hive-Connector User Guide</h1> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsf [...]
 
-Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.2-jar-with-dependencies.jar] to class path
-Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.2-jar-with-dependencies.jar]
+Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.3-jar-with-dependencies.jar] to class path
+Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.3-jar-with-dependencies.jar]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="creating-tsfile-backed-hive-tables"><a href="#creating-tsfile-backed-hive-tables" class="header-anchor">#</a> Creating Tsfile-backed Hive tables</h2> <p>To create a Tsfile-backed table, specify the <code>serde</code> as <code>org.apache.iotdb.hive.TsFileSerDe</code>,
 specify the <code>inputformat</code> as <code>org.apache.iotdb.hive.TSFHiveInputFormat</code>,
 and the <code>outputformat</code> as <code>org.apache.iotdb.hive.TSFHiveOutputFormat</code>.</p> <p>Also provide a schema which only contains two fields: <code>time_stamp</code> and <code>sensor_id</code> for the table.
@@ -122,7 +122,9 @@ Writing tables to Tsfiles is under development.</p></div> <div class="page-nav">
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/913.b30e20b6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/259.b680a262.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html b/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html
index 5c513e1..18b7da9 100644
--- a/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html	
+++ b/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/914.dfc836a6.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/260.f0c29756.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html" class="nav-link">简体中文</a></li>< [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -76,9 +76,9 @@ data and metadata.</p> <p>The data section is an array of <code>ChunkGroup</code
     ByteBuffer of int value 19, // associated with &quot;last_value&quot;
     null // associated with &quot;sum_value&quot;
 ]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h5 id="_1-2-3-2-tsfilemetadata"><a href="#_1-2-3-2-tsfilemetadata" class="header-anchor">#</a> 1.2.3.2 TsFileMetaData</h5> <p><code>TsFileMetaData</code> follows aft [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h5 id="_1-2-3-2-tsfilemetadata"><a href="#_1-2-3-2-tsfilemetadata" class="header-anchor">#</a> 1.2.3.2 TsFileMetaData</h5> <p><code>TsFileMetaData</code> follows aft [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For Linux or MacOs:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>./print-tsfile-sketch.sh &lt;path of your TsFileResource Directory&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example on Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>D:\incubator-iotdb\server\target\iotdb-server-0.9.2\tools&gt;.\print-tsfile-resource-files.bat D:\data\data\sequence\root.vehicle
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example on Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>D:\incubator-iotdb\server\target\iotdb-server-0.9.3\tools&gt;.\print-tsfile-resource-files.bat D:\data\data\sequence\root.vehicle
 ​````````````````````````
 Starting Printing the TsFileResources
 ​````````````````````````
@@ -86,9 +86,9 @@ Starting Printing the TsFileResources
 analyzing D:\data\data\sequence\root.vehicle\1572496142067-101-0.tsfile ...
 device root.vehicle.d0, start time 3000 (1970-01-01T08:00:03+08:00[GMT+08:00]), end time 100999 (1970-01-01T08:01:40.999+08:00[GMT+08:00])
 analyzing the resource file finished.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h4 id="_1-3-2-tsfile-sketch-tool"><a href="#_1-3-2-tsfile-sketch-tool" class="header-anchor">#</a> 1.3.2 TsFile Sketch Tool</h4 [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h4 id="_1-3-2-tsfile-sketch-tool"><a href="#_1-3-2-tsfile-sketch-tool" class="header-anchor">#</a> 1.3.2 TsFile Sketch Tool</h4 [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Note that if <code>&lt;path of the file for saving the output result&gt;</code> is not set, the default path &quot;TsFile_sketch_view.txt&quot; will be used.</li></ul> <p>For Linux or MacOs:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>./print-tsfile-sketch.sh &lt;path of your TsFile&gt; (&lt;path of the file for saving the output result&gt;) 
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Note that if <code>&lt;path of the file for saving the output result&gt;</code> is not set, the default path &quot;TsFile_sketch_view.txt&quot; will be used.</li></ul> <p>An example on Windows:</p> <div class="language-$xslt line-numbers-mode"><pre class="language-text"><code>D:\incubator-iotdb\server\target\iotdb-server-0.9.2\tools&gt;.\print-tsfile-sketch.bat D:\data\data\sequence\ [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Note that if <code>&lt;path of the file for saving the output result&gt;</code> is not set, the default path &quot;TsFile_sketch_view.txt&quot; will be used.</li></ul> <p>An example on Windows:</p> <div class="language-$xslt line-numbers-mode"><pre class="language-text"><code>D:\incubator-iotdb\server\target\iotdb-server-0.9.3\tools&gt;.\print-tsfile-sketch.bat D:\data\data\sequence\ [...]
 ​````````````````````````
 Starting Printing the TsFile Sketch
 ​````````````````````````
@@ -171,7 +171,9 @@ file length: 187382
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/914.dfc836a6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/260.f0c29756.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/8-System Design/2-Files.html b/UserGuide/V0.9.x/8-System Design/2-Files.html
index 302466a..00902c1 100644
--- a/UserGuide/V0.9.x/8-System Design/2-Files.html	
+++ b/UserGuide/V0.9.x/8-System Design/2-Files.html	
@@ -12,11 +12,11 @@
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
-    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.07349e4e.js" as="script"><link rel="preload" href="/assets/js/3.187083c5.js" as="script"><link rel="preload" href="/assets/js/915.9977a1c6.js" as="script"><link rel="prefetch" href="/assets/js/10.1c603655.js"><link rel="prefetch" href="/assets/js/100.dab6e75e.js"><link rel="prefetch" href="/assets/js/1000.a93b39b5.js"><link rel="prefetch" href="/assets/js/1001.75e97e9b.js" [...]
+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/261.a97cabea.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/8-System Design/2-Files.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/2-Files.html" class="nav-link">简体中文</a></li></ul></di [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -61,7 +61,9 @@ wal_dir= $IOTDB_HOME/data/wal
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/915.9977a1c6.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/261.a97cabea.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html b/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html
index bd527e1..34dcf82 100644
--- a/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html	
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/262.722c47ec.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="na [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -48,8 +48,8 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="na [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.9.2-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.9.2/lib</code [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.9.3-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.9.3/lib</code [...]
         ←
         <a href="/UserGuide/V0.9.x/8-System Design/2-Files.html" class="prev">
           Files
@@ -58,7 +58,9 @@
         </a>
         →
       </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/916.08a8d2b9.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/262.722c47ec.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html b/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html
index 8cb0488..b84d58e 100644
--- a/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html	
+++ b/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html	
@@ -12,11 +12,11 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
     
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+    <link rel="preload" href="/assets/css/0.styles.53b4846f.css" as="style"><link rel="preload" href="/assets/js/app.7a06d873.js" as="script"><link rel="preload" href="/assets/js/3.588efd8d.js" as="script"><link rel="preload" href="/assets/js/263.2c2400e9.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.529664a2.js"><link rel="prefetch" href="/assets/js/101.841108f1.js"><link rel="prefetch" href="/assets/js/102.3b062dbe.js">< [...]
     <link rel="stylesheet" href="/assets/css/0.styles.53b4846f.css">
   </head>
   <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -32,7 +32,7 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html" class [...]
     gitHub
-    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
   Wiki
   <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
   Foundation
@@ -53,7 +53,9 @@
         <a href="/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="prev">
           Writing Data on HDFS
         </a></span> <!----></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
-     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.07349e4e.js" defer></script><script src="/assets/js/3.187083c5.js" defer></script><script src="/assets/js/917.70f16576.js" defer></script>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444">
+    Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
+    see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.7a06d873.js" defer></script><script src="/assets/js/3.588efd8d.js" defer></script><script src="/assets/js/263.2c2400e9.js" defer></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/assets/js/100.529664a2.js b/assets/js/100.529664a2.js
new file mode 100644
index 0000000..015dcef
--- /dev/null
+++ b/assets/js/100.529664a2.js
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+(window.webpackJsonp=window.webpackJsonp||[]).push([[100],{666:function(e,t,a){"use strict";a.r(t);var s=a(68),r=Object(s.a)({},(function(){var e=this,t=e.$createElement,a=e._self._c||t;return a("ContentSlotsDistributor",{attrs:{"slot-key":e.$parent.slotKey}},[a("h1",{attrs:{id:"watermark-tool"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#watermark-tool"}},[e._v("#")]),e._v(" Watermark Tool")]),e._v(" "),a("p",[e._v("This tool has two functions: 1) watermark embedding of the IoTDB [...]
\ No newline at end of file
diff --git a/assets/js/100.8bd957cc.js b/assets/js/100.8bd957cc.js
deleted file mode 100644
index 8413cb9..0000000
--- a/assets/js/100.8bd957cc.js
+++ /dev/null
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diff --git a/assets/js/101.841108f1.js b/assets/js/101.841108f1.js
new file mode 100644
index 0000000..a1d5781
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