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Posted to commits@dubbo.apache.org by gi...@apache.org on 2019/08/16 09:36:48 UTC

[dubbo-website] branch asf-site updated: Website updated with e267d3dc7b67d20cb1b3e0a3f8291165e68bb4d8

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

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


The following commit(s) were added to refs/heads/asf-site by this push:
     new 9af381a  Website updated with e267d3dc7b67d20cb1b3e0a3f8291165e68bb4d8
9af381a is described below

commit 9af381a3d28c3ca809a6b3e9b086fed8a6cf68af
Author: jenkins <us...@infra.apache.org>
AuthorDate: Fri Aug 16 09:36:41 2019 +0000

    Website updated with e267d3dc7b67d20cb1b3e0a3f8291165e68bb4d8
---
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diff --git a/COMMIT_ID b/COMMIT_ID
index b4e9bef..a51ea73 100644
--- a/COMMIT_ID
+++ b/COMMIT_ID
@@ -1 +1 @@
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diff --git a/build/blog.css b/build/blog.css
index 37d678b..f3775bb 100644
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index e7e5939..476c03d 100644
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index 20270fa..75c3448 100644
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diff --git a/build/blogDetail.js b/build/blogDetail.js
index af2155c..de86f5e 100644
--- a/build/blogDetail.js
+++ b/build/blogDetail.js
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+!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=317 [...]
   Copyright (c) 2017 Jed Watson.
   Licensed under the MIT License (MIT), see
   http://jedwatson.github.io/classnames
 */
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\ No newline at end of file
+!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var a=n.apply(null,r);a&&e.push(a)}else if("object"===o)for(var u in r)i.call(r,u)&&r[u]&&e.push(u)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},50:function(e,t,n){"use strict";fu [...]
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diff --git a/build/community.css b/build/community.css
index a609b69..8a2ce66 100644
--- a/build/community.css
+++ b/build/community.css
@@ -1 +1 @@
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diff --git a/build/community.js b/build/community.js
index 31f273c..7a63ea1 100644
--- a/build/community.js
+++ b/build/community.js
@@ -1,6 +1,6 @@
-!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=80) [...]
+!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=318 [...]
   Copyright (c) 2017 Jed Watson.
   Licensed under the MIT License (MIT), see
   http://jedwatson.github.io/classnames
 */
-!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var a=n.apply(null,r);a&&e.push(a)}else if("object"===o)for(var l in r)i.call(r,l)&&r[l]&&e.push(l)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},function(e,t,n){"use strict";funct [...]
\ No newline at end of file
+!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var a=n.apply(null,r);a&&e.push(a)}else if("object"===o)for(var l in r)i.call(r,l)&&r[l]&&e.push(l)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},6:function(e,t,n){"use strict";Obj [...]
\ No newline at end of file
diff --git a/build/documentation.css b/build/documentation.css
index 237fffa..78f8deb 100644
--- a/build/documentation.css
+++ b/build/documentation.css
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/build/documentation.js b/build/documentation.js
index 6a84a31..3fca174 100644
--- a/build/documentation.js
+++ b/build/documentation.js
@@ -1,6 +1,6 @@
-!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=81) [...]
+!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=319 [...]
   Copyright (c) 2017 Jed Watson.
   Licensed under the MIT License (MIT), see
   http://jedwatson.github.io/classnames
 */
-!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var l=n.apply(null,r);l&&e.push(l)}else if("object"===o)for(var s in r)i.call(r,s)&&r[s]&&e.push(s)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},function(e,t,n){"use strict";funct [...]
\ No newline at end of file
+!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var l=n.apply(null,r);l&&e.push(l)}else if("object"===o)for(var s in r)i.call(r,s)&&r[s]&&e.push(s)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},50:function(e,t,n){"use strict";fu [...]
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diff --git a/build/ecology.css b/build/ecology.css
new file mode 100644
index 0000000..6918981
--- /dev/null
+++ b/build/ecology.css
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/build/ecology.js b/build/ecology.js
new file mode 100644
index 0000000..9b5b25a
--- /dev/null
+++ b/build/ecology.js
@@ -0,0 +1,11 @@
+!function(e){function t(r){if(n[r])return n[r].exports;var a=n[r]={i:r,l:!1,exports:{}};return e[r].call(a.exports,a,a.exports,t),a.l=!0,a.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=320 [...]
+  Copyright (c) 2017 Jed Watson.
+  Licensed under the MIT License (MIT), see
+  http://jedwatson.github.io/classnames
+*/
+!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var a=typeof r;if("string"===a||"number"===a)e.push(r);else if(Array.isArray(r)&&r.length){var o=n.apply(null,r);o&&e.push(o)}else if("object"===a)for(var i in r)c.call(r,i)&&r[i]&&e.push(i)}}return e.join(" ")}var c={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(a=function(){return n}.apply(t,r))&&(e.exports=a))}()},function(e,t,n){"use strict";Objec [...]
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+var a=Object.getOwnPropertySymbols,c=Object.prototype.hasOwnProperty,o=Object.prototype.propertyIsEnumerable;e.exports=function(){try{if(!Object.assign)return!1;var e=new String("abc");if(e[5]="de","5"===Object.getOwnPropertyNames(e)[0])return!1;for(var t={},n=0;n<10;n++)t["_"+String.fromCharCode(n)]=n;if("0123456789"!==Object.getOwnPropertyNames(t).map(function(e){return t[e]}).join(""))return!1;var r={};return"abcdefghijklmnopqrst".split("").forEach(function(e){r[e]=e}),"abcdefghijklmn [...]
\ No newline at end of file
diff --git a/build/home.css b/build/home.css
index ca5d52f..3194f6a 100644
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+++ b/build/home.css
@@ -1 +1 @@
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\ No newline at end of file
+.header-container{position:fixed;left:0;top:0;width:100%;z-index:1000;background-color:#fff}.header-container-primary{background-color:transparent}.header-container-normal{background-color:#fff;box-shadow:0 2px 10px 0 rgba(0,0,0,.08)}.header-container .header-body{max-width:1280px;margin:0 auto;height:66px;line-height:66px}.header-container .header-body .logo{margin-left:40px;width:96px;vertical-align:sub}.header-container .header-body .header-menu{float:right}.header-container .header-b [...]
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diff --git a/build/home.js b/build/home.js
index 6b3d15b..d0320ca 100644
--- a/build/home.js
+++ b/build/home.js
@@ -1,6 +1,6 @@
-!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=82) [...]
+!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/build/",t(t.s=321 [...]
   Copyright (c) 2017 Jed Watson.
   Licensed under the MIT License (MIT), see
   http://jedwatson.github.io/classnames
 */
-!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var i=n.apply(null,r);i&&e.push(i)}else if("object"===o)for(var u in r)a.call(r,u)&&r[u]&&e.push(u)}}return e.join(" ")}var a={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},function(e,t,n){"use strict";funct [...]
\ No newline at end of file
+!function(){"use strict";function n(){for(var e=[],t=0;t<arguments.length;t++){var r=arguments[t];if(r){var o=typeof r;if("string"===o||"number"===o)e.push(r);else if(Array.isArray(r)&&r.length){var a=n.apply(null,r);a&&e.push(a)}else if("object"===o)for(var u in r)i.call(r,u)&&r[u]&&e.push(u)}}return e.join(" ")}var i={}.hasOwnProperty;void 0!==e&&e.exports?(n.default=n,e.exports=n):(r=[],void 0!==(o=function(){return n}.apply(t,r))&&(e.exports=o))}()},6:function(e,t,n){"use strict";Obj [...]
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diff --git a/en-us/blog/apachecon-na-2018.html b/en-us/blog/apachecon-na-2018.html
index acd2ee9..28d5f44 100644
--- a/en-us/blog/apachecon-na-2018.html
+++ b/en-us/blog/apachecon-na-2018.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>Ian Luo(PMC) and Jun Liu(PMC) will talk about &quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot; at ApacheCon NA this year in Montréal! Please check out the schedule <a href="https://apachecon.dukecon.org/acna/2018/#/scheduledEvent/b8db9dc580d85853f">here</a> and register <a href="https://www.eventbrite.com/e/apachecon-north-america-2018-registration-43200327342">here</a>.</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events</a></ [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/blog/download.html b/en-us/blog/download.html
index ae23862..0597305 100644
--- a/en-us/blog/download.html
+++ b/en-us/blog/download.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Verification</h2>
 <p>you can follow these <a href="https://www.apache.org/info/verification">procedures</a> and the <a href="https://www.apache.org/dist/dubbo/KEYS">KEYS</a> file to verify the download files</p>
 <h2>Apache Dubbo</h2>
diff --git a/en-us/blog/dubbo-101.html b/en-us/blog/dubbo-101.html
index 81d17e6..fbe96fe 100644
--- a/en-us/blog/dubbo-101.html
+++ b/en-us/blog/dubbo-101.html
@@ -12,7 +12,7 @@
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 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Java RMI Introduction</h2>
 <p>Java RMI (Remote Method Invocation) is a mechanism that allows users to access or invocate an object and a method running on another JVM (Java Virtual Machine). RMI is an implementation of RPC (Remote Procedure Call) in java with support of OOP (Object Oriented Paradigms). Instead of bothering IDL (Interface Define Language), users can build distributed applications by depending on interfaces in an easy and natural way.</p>
 <h3>Java RMI Work Flow</h3>
diff --git a/en-us/blog/dubbo-annotation.html b/en-us/blog/dubbo-annotation.html
index 50b7c78..433c8b4 100644
--- a/en-us/blog/dubbo-annotation.html
+++ b/en-us/blog/dubbo-annotation.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>With the widely promotion and implementation of Microservices Architecture, the Microservices Architecture represented by Spring Boot and Spring Cloud, in Java ecosystem, introduced some brand new programming model, like:</p>
 <ul>
 <li>Annotation-Driven</li>
diff --git a/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html b/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h1>Dubbo Basic Usage</h1>
 <p>This chapter mainly talking about how to configure dubbo. According to the configuration mode, it can be divided into the following mode: XML Configuration, Properties Configuration, Annotation Configuration, API Invocation Mode Configuration. And according to the function, we can divide them into Dubbo Provider and Dubbo Consumer. In the following sections, we would explain Dubbo Provider and Dubbo Consumer respectively.</p>
 <h2>Dubbo Provider Configuration</h2>
diff --git a/en-us/blog/dubbo-fescar.html b/en-us/blog/dubbo-fescar.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Use case</h2>
 <p>A business logic for user purchasing commodities. The whole business logic is powered by 3 microservices:</p>
 <ul>
diff --git a/en-us/blog/dubbo-generic-invoke.html b/en-us/blog/dubbo-generic-invoke.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The generic invoke could be considered to be used in the following cases:</p>
 <ul>
 <li>Service test platform</li>
diff --git a/en-us/blog/dubbo-invoke.html b/en-us/blog/dubbo-invoke.html
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>As we all know,Dubbo adopts a single large join protocol by default and takes the NIO asynchronous communication mechanism of Netty as the low-level implementation. Based on this mechanism, Dubbo implements several invocation modes as follows:</p>
 <ul>
 <li>synchronous invoke</li>
diff --git a/en-us/blog/dubbo-k8s.html b/en-us/blog/dubbo-k8s.html
index 156af22..9cf4fe2 100644
--- a/en-us/blog/dubbo-k8s.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>Dubbo's provider don't care about service registration.Open its Dubbo service port,the declaration and publishment of the service will be executed by Kubernetes.
 Dubbo's consumer directly discovers the corresponding service endpoints of Kubernetes during service discovery procedure, thereby reusing Dubbo's existing microservice channel capabilities.The benefit is that there is no need to rely on any third-party soft-loaded registry and it can be seamlessly integrated into the multi-tenant security system of Kubernetes. Reference demo : <a href="https://github.com/dubbo/dubbo-Kubernetes">https://github.com/dubbo/dubbo-ubernetes</a></p>
 <h1>Introduction</h1>
diff --git a/en-us/blog/dubbo-loadbalance.html b/en-us/blog/dubbo-loadbalance.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Background</h2>
 <p>Dubbo is a distributed service framework that avoids single point of failure and horizontal expansion of support services. A service typically deploys multiple instances. How to select a call from a cluster of multiple service providers involves a load balancing strategy.</p>
 <h2>Concepts</h2>
diff --git a/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html b/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. What a great event!</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
diff --git a/en-us/blog/dubbo-meetup-chengdu.html b/en-us/blog/dubbo-meetup-chengdu.html
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p><img src="../../img/blog/meetup-chengdu/all-hands.webp" alt="img"></p>
 <h2>The depth of the user communication</h2>
 <p>On August 26, 10:00 am - 12:00am, invited the arrival of the car to help, cloud gold, former BBD, flying fish star four companies open source enthusiasts and heavy users participate in face-to-face communication;According to the participants' feedback, answer to Dubbo many doubt, especially how to participate in the contribution to the community, as well as code contribution value point.Hope later can be more deeply involved in Dubbo communities and activities.</p>
diff --git a/en-us/blog/dubbo-meetup-hangzhou.html b/en-us/blog/dubbo-meetup-hangzhou.html
index 6325ad9..85cb967 100644
--- a/en-us/blog/dubbo-meetup-hangzhou.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The fifth Dubbo meetup has been held in Hangzhou,</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
diff --git a/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html b/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
index d78cd3a..06e879f 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The sencond Dubbo meetup has successfully been held in Shanghai, over 700 people submitted registration, and over 300 were present, more than 10,000 watched the live online.</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
diff --git a/en-us/blog/dubbo-meetup-shenzhen.html b/en-us/blog/dubbo-meetup-shenzhen.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The third Dubbo meetup has successfully been held in Shenzhen, over 2000 people submitted registration, and over 700 were present, more than 17,000 watched the live online.</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
diff --git a/en-us/blog/dubbo-new-async.html b/en-us/blog/dubbo-new-async.html
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>Implementing the full asynchronous programming based on Dubbo, which is a new feature introduced in version 2.7.0 after the enhancement of the existing asynchronous mode.This article first reviews the supported functions and existing problems of asynchronization in 2.6.x and earlier versions, and introduces the targeted enhancements based on CompletableFuture in version 2.7.0. Then, the use of enhanced asynchronous programming is elaborated through several examples. Finally, it summar [...]
 <h2>Asynchronous mode before version 2.6.x</h2>
 <p>Dubbo Provides some asynchronous programming capabilities in 2.6.x and earlier versions, including <a href="http://dubbo.apache.org/zh-cn/docs/user/demos/async-call.html">Asynchronous Call</a>, <a href="http://dubbo.apache.org/zh-cn/docs/user/demos/callback-parameter.html">Parameter Callback</a> and <a href="http://dubbo.apache.org/zh-cn/docs/user/demos/events-notify.html">Event Notification</a> on Consumer side. There are some brief introductions to the usage and Demo in the above do [...]
diff --git a/en-us/blog/dubbo-zk.html b/en-us/blog/dubbo-zk.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Introduction of Zookeeper</h2>
 <h3>The basic concept</h3>
 <p>In the mordern distrbuted applications, there are multiple coordination problems between nodes and nodes, including: leader election, group service, locking, configuration management, naming and synchronization. Apache Zookeeper, as its name implied, is a distributed, open-source coordination service framwork to address these demand.</p>
diff --git a/en-us/blog/dubbo2-js.html b/en-us/blog/dubbo2-js.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <blockquote>
 <p><a href="https://github.com/dubbo/dubbo2.js">dubbo2.js</a> is a Dubbo client for node.js developped by <a href="https://www.qianmi.com/">Qianmiwang</a>. It supports Dubbo's native protocol, which makes the RPC calls between javascript and java efficient and agile. This tool has been contributed to Dubbo's community.</p>
 </blockquote>
diff --git a/en-us/blog/gsoc-2018.html b/en-us/blog/gsoc-2018.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>The GSoC(Google Summer of Code) 2018 projects has been announced, Raghu Reddy's project &quot;Extending Serialization protocols support for Apache Dubbo&quot; has been <a href="https://summerofcode.withgoogle.com/projects/#4747840161579008">accepted</a>! Congratulations!</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events</a></ [...]
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-	<div id="root"><div class="blog-list-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href [...]
+	<div id="root"><div class="blog-list-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href [...]
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diff --git a/en-us/blog/introduction-to-dubbo-qos.html b/en-us/blog/introduction-to-dubbo-qos.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>QoS (short form of <strong>Quality of Service</strong>), is a common terminology talking about network devices. For example, by adjusting and manipulating the weights of ports of a router dynamically via QoS, engineers could give priority to services running on these ports and make sure these services' quality and reliability.</p>
 <p>In Dubbo, QoS is used to query and manipulate services dynamically, like getting a list of active provider and consumer services, and launching or withdrawing services (i.e registering to or unregistering services from registration center).</p>
 <h2>Mechanism of QoS</h2>
diff --git a/en-us/blog/introduction-to-dubbo-spi-2.html b/en-us/blog/introduction-to-dubbo-spi-2.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>In the <a href="./introduction-to-dubbo-spi.md">actual implementation of the Dubbo extensibility mechanism</a>, we learned some concepts of the Dubbo extension mechanism, explored the implementation of LoadBalance in Dubbo, and implemented a LoadBalance on our own. Do you think Dubbo's extension mechanism is great? Next, we will go deep into the source code of Dubbo and see what it is.</p>
 <h2>ExtensionLoader</h2>
 <p><code>ExtensionLoader</code> is the core class, which is responsible for the loading and lifecycle management of extension points. Let's start with this class. There are many methods of Extension, and the common methods include:</p>
diff --git a/en-us/blog/introduction-to-dubbo-spi.html b/en-us/blog/introduction-to-dubbo-spi.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>1. Extension Mechanism of Dubbo</h2>
 <p>Dubbo is claimed as a high-performance RPC framework on its official website. Today, I want to talk about another great specialty of Dubbo --- its scalability.  As quote: Rome wasn’t built in a day. Any successful system always starts as a prototype. It is impossible to design a perfect system at the beginning. Instead, we should focus on true demand and keep improving the system. On the coding side, it requires us to pay attention on abstraction layers and high-level isolation. In th [...]
 When talking about software design, people always mention scalability. A framework with good scalability requires the following:
diff --git a/en-us/blog/pinpoint.html b/en-us/blog/pinpoint.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>After using Dubbo to serve or integrate applications, assuming that a service backstage log shows an exception and that the service is invoked by multiple applications, it is often difficult to determine which application is called, and what is the cause of the problem, so we need a set of distributed tracking systems to quickly locate the problem. Pinpoint can help us quickly locate problems (of course, there are more than one solution).</p>
 <h2>What is Pinpoint</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a> is an APM (Application Performance Management) tool for large-scale distributed systems written in Java. Inspired by Dapper, Pinpoint provides a solution to help analyze the overall structure of the system and how components within them are interconnected by tracing transactions across distributed applications.</p>
diff --git a/en-us/blog/prepare-an-apache-release.html b/en-us/blog/prepare-an-apache-release.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Understanding the Apache Release Cycle</h2>
 <p>In general, Source Release is the key and the required content of Apache. But Binary Release is optional, Dubbo can choose whether to release binary packages to the Apache repository or to the Maven central repository.</p>
 <p>Please refer to the following links for more information on ASF's release guide:</p>
diff --git a/en-us/blog/qcon-beijing-2018.html b/en-us/blog/qcon-beijing-2018.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced. Please enjoy the <a href="https://github.com/dubbo/awesome-dubbo/raw/master/slides/qcon2018/dubbo-present-and-future.pdf">slides</a>!</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events</a></ [...]
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diff --git a/en-us/blog/sentinel-introduction-for-dubbo.html b/en-us/blog/sentinel-introduction-for-dubbo.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <p>In large clusters there may be thousands of Dubbo service instances in production, with continuous traffic coming in. However, in distributed systems, some services may be unavailable due to various of failure such as traffic surge, high system load, and network latency. If no control actions are performed, this may cause cascading failure, affecting the availability of the service. So we need a powerful library - Sentinel, which can guarantee the stability of the service, to protect  [...]
 <h2>Introduction to Sentinel</h2>
 <p><a href="https://github.com/alibaba/Sentinel">Sentinel</a> is a powerful library opensourced by Alibaba Middleware Team. Sentinel takes &quot;<strong>flow</strong>&quot; as the breakthrough point, and covers multiple fields including flow control, concurrency, circuit breaking and load protection to protect service stability.</p>
diff --git a/en-us/blog/spring-boot-dubbo-start-stop-analysis.html b/en-us/blog/spring-boot-dubbo-start-stop-analysis.html
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+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Introduction</h2>
 <p><a href="https://github.com/apache/dubbo-spring-boot-project">Dubbo Spring Boot</a> project is dedicated to simplifying the development of the Dubbo RPC framework in the Spring Boot application. It also integrates the feature of Spring Boot:</p>
 <ul>
diff --git a/en-us/blog/tracing-with-skywalking.html b/en-us/blog/tracing-with-skywalking.html
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+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hr [...]
 <h2>Introduction to Apache Skywalking(Incubator)</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href="https://github.com/apache/incubator-skywalking">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking  supports multiple languages agen [...]
 <p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from singl [...]
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+	<div id="root"><div class="community-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href [...]
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diff --git a/en-us/docs/admin/README.html b/en-us/docs/admin/README.html
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+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
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 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <li><a href="introduction.md">1 Dubbo Admin introduction</a>
 <ul>
 <li><a href="serviceSearch.md">1.1 service search and detail</a></li>
diff --git a/en-us/docs/admin/install/admin-console.html b/en-us/docs/admin/install/admin-console.html
index 006ef9f..142a047 100644
--- a/en-us/docs/admin/install/admin-console.html
+++ b/en-us/docs/admin/install/admin-console.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The current version of dubbo admin is under development, including: route rule, dynamic configuration, access control, weight adjustment, load balance, etc.</p>
 <p>Install:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo-admin.git /var/tmp/dubbo-admin
diff --git a/en-us/docs/admin/install/consumer-demo.html b/en-us/docs/admin/install/consumer-demo.html
index 1749e45..ae1494e 100644
--- a/en-us/docs/admin/install/consumer-demo.html
+++ b/en-us/docs/admin/install/consumer-demo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Install:</p>
 <pre><code class="language-sh">$ git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git
 $ <span class="hljs-built_in">cd</span> dubbo
diff --git a/en-us/docs/admin/install/introduction.html b/en-us/docs/admin/install/introduction.html
index df69dd7..c3941f1 100644
--- a/en-us/docs/admin/install/introduction.html
+++ b/en-us/docs/admin/install/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>You can run Demo Provider and Demo Consumer only, the default discovery strategy is Multicast by configuration center broadcast, do not run the two parts on the same machine, if you have to do so, set <code>unicast=false</code>, like <code>multicast://224.5.6.7:1234?unicast=false</code>, or the unicast send to consumer will be taken by provider, and the same for consumers. Only multicast has this issue</p>
 <p>You can run multiple Demo Provider and Demo consumer to verify load balance. Demo Consumer can run multi instance directly. Because of port conflict, you can either run multi Demo Providers on different machines or modify the value of <code>dubbo.protocol.port</code> in <code>conf/dubbo.properties</code> under the install directory of <code>conf/dubbo.properties</code></p>
 <p>You can add Simple Monitor as a monitor center, the default discovery strategy is Multicast by configuration center broadcast, display the dependency relationship, call times and cost</p>
diff --git a/en-us/docs/admin/install/provider-demo.html b/en-us/docs/admin/install/provider-demo.html
index 352c50e..ac4d087 100644
--- a/en-us/docs/admin/install/provider-demo.html
+++ b/en-us/docs/admin/install/provider-demo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>install:</p>
 <pre><code class="language-sh">$ git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git
 $ <span class="hljs-built_in">cd</span> dubbo
diff --git a/en-us/docs/admin/install/redis.html b/en-us/docs/admin/install/redis.html
index 511c755..f696a32 100644
--- a/en-us/docs/admin/install/redis.html
+++ b/en-us/docs/admin/install/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> introductions, please refer to: <a href="http://dubbo.apache.org/books/dubbo-user-book-en/references/registry/redis.html">Redis application center manual</a>。</p>
 <p>you need an origin Redis server only, and change the value from <code>dubbo.registry.addrss</code> to <code>redis://127.0.0.1:6379</code> in <code>conf/dubbo.properties</code> of <a href="http://dubbo.apache.org/books/dubbo-user-book-en/quick-start.html">quick start</a></p>
 <p>Redis configuration center cluster <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> write multiple server in client side and read from a single server.</p>
diff --git a/en-us/docs/admin/install/simple-monitor-center.html b/en-us/docs/admin/install/simple-monitor-center.html
index d04e061..341b540 100644
--- a/en-us/docs/admin/install/simple-monitor-center.html
+++ b/en-us/docs/admin/install/simple-monitor-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h4>The function of monitor center will be merged to dubbo admin, based on metrics, coming soon</h4>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/admin/install/simple-registry-center.html b/en-us/docs/admin/install/simple-registry-center.html
index 9ff1f3b..f5e6e85 100644
--- a/en-us/docs/admin/install/simple-registry-center.html
+++ b/en-us/docs/admin/install/simple-registry-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/admin/install/zookeeper.html b/en-us/docs/admin/install/zookeeper.html
index 57578f5..8673086 100644
--- a/en-us/docs/admin/install/zookeeper.html
+++ b/en-us/docs/admin/install/zookeeper.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>zookeeper register center client version: <code>dubbo-2.3.3</code> and above<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p>Dubbo changes nothing of Zookeeper's server side, an original Zookeeper server is fine. All change happens while calling Zookeeper's client side</p>
 <p>install:</p>
diff --git a/en-us/docs/admin/introduction.html b/en-us/docs/admin/introduction.html
index cddbbc1..b0ee6db 100644
--- a/en-us/docs/admin/introduction.html
+++ b/en-us/docs/admin/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Now version 0.1 has been released, frontend uses Vue and Vuetify as javascript framework and UI framework, backend uses spring framework, you can deploy the whole project with maven or deploy frontend and backend separately.</p>
 <h3>Deploy the whole project through maven</h3>
 <ul>
diff --git a/en-us/docs/admin/ops/dubbo-ops.html b/en-us/docs/admin/ops/dubbo-ops.html
index 6439701..41d16bb 100644
--- a/en-us/docs/admin/ops/dubbo-ops.html
+++ b/en-us/docs/admin/ops/dubbo-ops.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Page search</h2>
 <p>If you need to manage a Dubbo service, you need to search it first and open it's management page</p>
 <p><img src="../sources/images/dubbo-search.jpg" alt="/admin-guide/images/dubbo-search.png"></p>
diff --git a/en-us/docs/admin/ops/introduction.html b/en-us/docs/admin/ops/introduction.html
index 4df72da..c005a08 100644
--- a/en-us/docs/admin/ops/introduction.html
+++ b/en-us/docs/admin/ops/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/admin/ops/pinpoint.html b/en-us/docs/admin/ops/pinpoint.html
index 2fd3b89..9a4d708 100644
--- a/en-us/docs/admin/ops/pinpoint.html
+++ b/en-us/docs/admin/ops/pinpoint.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>After using Dubbo to serve or integrate applications, assuming that a service backstage log shows an exception and that the service is invoked by multiple applications, it is often difficult to determine which application is called, and what is the cause of the problem, so we need a set of distributed tracking systems to quickly locate the problem. Pinpoint can help us quickly locate problems (of course, there are more than one solution).</p>
 <h2>What is Pinpoint</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a> is an APM (Application Performance Management) tool for large-scale distributed systems written in Java. Inspired by Dapper, Pinpoint provides a solution to help analyze the overall structure of the system and how components within them are interconnected by tracing transactions across distributed applications.</p>
diff --git a/en-us/docs/admin/ops/skywalking.html b/en-us/docs/admin/ops/skywalking.html
index 72c1171..4860504 100644
--- a/en-us/docs/admin/ops/skywalking.html
+++ b/en-us/docs/admin/ops/skywalking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Introduction to Apache Skywalking(Incubator)</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href="https://github.com/apache/incubator-skywalking">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking  supports multiple languages agen [...]
 <p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from singl [...]
diff --git a/en-us/docs/admin/serviceGovernance.html b/en-us/docs/admin/serviceGovernance.html
index 4f34254..b41f98c 100644
--- a/en-us/docs/admin/serviceGovernance.html
+++ b/en-us/docs/admin/serviceGovernance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Service governance</h2>
 <p>服务治理主要作用是改变运行时服务的行为和选址逻辑,达到限流,权重配置等目的,主要有以下几个功能:<br>
 the basic function of service governance is changing the runtime behaviour and routing logic, to do weight configuration and current limiting:</p>
diff --git a/en-us/docs/admin/serviceSearch.html b/en-us/docs/admin/serviceSearch.html
index 6dd8360..3cc992f 100644
--- a/en-us/docs/admin/serviceSearch.html
+++ b/en-us/docs/admin/serviceSearch.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Service search is the basic function of Dubbo OPS, you can search by service name, application name and IP address, the service name and application name support wildcard and autocomplete:
 <img src="sources/images/searchResult.png" alt="searchResult">
 the service detail page display providers, consumers, medata information is supported in Dubbo 2.7 or higher version:
diff --git a/en-us/docs/admin/serviceTest.html b/en-us/docs/admin/serviceTest.html
index 7488f78..d2aba06 100644
--- a/en-us/docs/admin/serviceTest.html
+++ b/en-us/docs/admin/serviceTest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/dev/README.html b/en-us/docs/dev/README.html
index 52dd64e..0bce7dd 100644
--- a/en-us/docs/dev/README.html
+++ b/en-us/docs/dev/README.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>This book dives into the design principles of dubbo, mainly covers the following topics: extension, coding styles, versio, build, etc.</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/dev/SPI.html b/en-us/docs/dev/SPI.html
index 1a08d5a..10afdfa 100644
--- a/en-us/docs/dev/SPI.html
+++ b/en-us/docs/dev/SPI.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>SPI Config</h2>
 <h3>Source:</h3>
 <p>Dubbo SPI is inherited from standard JDK SPI(Service Provider Interface) and makes it more powerful.</p>
diff --git a/en-us/docs/dev/SUMMARY.html b/en-us/docs/dev/SUMMARY.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ul>
 <li><a href="./build.md">1 How To Build</a></li>
 <li><a href="./design.md">2 Architecture</a></li>
diff --git a/en-us/docs/dev/TCK.html b/en-us/docs/dev/TCK.html
index 33f6fc9..dafb943 100644
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+++ b/en-us/docs/dev/TCK.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo's protocol, communication, serialization, registry, load balancing and other SPI all offer alternative strategies for different application scenarios while our test cases are very scattered. Ours is always uncertain whether it can satisfy the complete contract of the extension point when users need to add a new implementation.</p>
 <p>Thus we need to use TCK (Technology Compatibility Kit) for the core extension points.  When users add a new implementaion, compatibility with the rest of the framework can be ensured with TCK. This can effectively improve the overall health and also facilitate the access of the third party extenders, which accelerates the maturity of the open source community.</p>
 <p>Xingzhi from the open source community is already working on this part. His preliminary idea is to build a TCK framework for Dubbo drawing on the CDI-TCK of JBoss first, then realize the TCK implementing case of Dubbo.</p>
diff --git a/en-us/docs/dev/build.html b/en-us/docs/dev/build.html
index f25e649..9777f8e 100644
--- a/en-us/docs/dev/build.html
+++ b/en-us/docs/dev/build.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Checkout</h2>
 <p>checkout the lastest project source code with commands blow:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git dubbo
diff --git a/en-us/docs/dev/checklist.html b/en-us/docs/dev/checklist.html
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 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Checklist before release</h2>
 <ul>
 <li>github milestones</li>
diff --git a/en-us/docs/dev/code-smell.html b/en-us/docs/dev/code-smell.html
index c4eea86..8453797 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Ugly Dubbo design or implementation will be record here.</p>
 <h2>URL Convertion</h2>
 <h3>1. Point to Point Service export and refer</h3>
diff --git a/en-us/docs/dev/coding.html b/en-us/docs/dev/coding.html
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Code style</h2>
 <p>The source and JavaDoc of Dubbo follow below specifications:</p>
 <ul>
diff --git a/en-us/docs/dev/contract.html b/en-us/docs/dev/contract.html
index 88aba1d..8a363a8 100644
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+++ b/en-us/docs/dev/contract.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>This document is Dubbo public agreement, we expect all extension points comply with it.</p>
 <h2>URL</h2>
 <ul>
diff --git a/en-us/docs/dev/contribution.html b/en-us/docs/dev/contribution.html
index fb875dd..d95c60e 100644
--- a/en-us/docs/dev/contribution.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 table {
   width: 100%;
   max-width: 65em;
diff --git a/en-us/docs/dev/design.html b/en-us/docs/dev/design.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Overall design</h2>
 <p><img src="sources/images/dubbo-framework.jpg" alt="/dev-guide/images/dubbo-framework.jpg"></p>
 <p>Image description:</p>
diff --git a/en-us/docs/dev/implementation.html b/en-us/docs/dev/implementation.html
index 979bcef..462b17d 100644
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+++ b/en-us/docs/dev/implementation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Initialization details</h2>
 <h3>Service parsing</h3>
 <p>Based on <code>META-INF/spring.handlers</code> config in dubbo.jar, Spring calls <code>DubboNamespaceHandler</code> when meeting dubbo namespace.</p>
diff --git a/en-us/docs/dev/impls/cache.html b/en-us/docs/dev/impls/cache.html
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 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Cache the return value, use request parameter as the key.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/cluster.html b/en-us/docs/dev/impls/cluster.html
index cdbce2e..ab77508 100644
--- a/en-us/docs/dev/impls/cluster.html
+++ b/en-us/docs/dev/impls/cluster.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Group service providers in a cluster, and treat them as one single provider.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/compiler.html b/en-us/docs/dev/impls/compiler.html
index 0239db0..98e5933 100644
--- a/en-us/docs/dev/impls/compiler.html
+++ b/en-us/docs/dev/impls/compiler.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Java compiler, used for byte code dynamic generation for RPC invocation.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/container.html b/en-us/docs/dev/impls/container.html
index 025825b..9cf6170 100644
--- a/en-us/docs/dev/impls/container.html
+++ b/en-us/docs/dev/impls/container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Service container extension, useful for loading custom contents.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/dispatcher.html b/en-us/docs/dev/impls/dispatcher.html
index d7191ce..2e9f8b0 100644
--- a/en-us/docs/dev/impls/dispatcher.html
+++ b/en-us/docs/dev/impls/dispatcher.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Thread pool dispatch strategy.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/exchanger.html b/en-us/docs/dev/impls/exchanger.html
index 6926061..208770b 100644
--- a/en-us/docs/dev/impls/exchanger.html
+++ b/en-us/docs/dev/impls/exchanger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Exchange message between request and response on network transport layer.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/exporter-listener.html b/en-us/docs/dev/impls/exporter-listener.html
index a187d12..9130548 100644
--- a/en-us/docs/dev/impls/exporter-listener.html
+++ b/en-us/docs/dev/impls/exporter-listener.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Fire events when there's any service exported.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/extension-factory.html b/en-us/docs/dev/impls/extension-factory.html
index 9bac057..847f347 100644
--- a/en-us/docs/dev/impls/extension-factory.html
+++ b/en-us/docs/dev/impls/extension-factory.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Factory to load dubbo extensions.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/filter.html b/en-us/docs/dev/impls/filter.html
index da98688..cd96320 100644
--- a/en-us/docs/dev/impls/filter.html
+++ b/en-us/docs/dev/impls/filter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension for intercepting the invocation for both service provider and consumer, furthermore, most of functions in dubbo are implemented base on the same mechanism. Since every time when remote method is invoked, the filter extensions will be executed too, the corresponding penalty should be considered before more filters are added.</p>
 <p>Contract:</p>
diff --git a/en-us/docs/dev/impls/introduction.html b/en-us/docs/dev/impls/introduction.html
index 9e6223d..7b054ab 100644
--- a/en-us/docs/dev/impls/introduction.html
+++ b/en-us/docs/dev/impls/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>SPI extension interface is used for system integration, it's also useful for dubbo contributor to extend dubbo functionality.</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/dev/impls/invoker-listener.html b/en-us/docs/dev/impls/invoker-listener.html
index 6ac7a49..4cd9069 100644
--- a/en-us/docs/dev/impls/invoker-listener.html
+++ b/en-us/docs/dev/impls/invoker-listener.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Fire event when there's any service referenced.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/load-balance.html b/en-us/docs/dev/impls/load-balance.html
index bcb4294..06718c8 100644
--- a/en-us/docs/dev/impls/load-balance.html
+++ b/en-us/docs/dev/impls/load-balance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Pick one from service providers and fire the invocation.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/logger-adapter.html b/en-us/docs/dev/impls/logger-adapter.html
index e631e85..9f31cd1 100644
--- a/en-us/docs/dev/impls/logger-adapter.html
+++ b/en-us/docs/dev/impls/logger-adapter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension for adapting logger output</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/merger.html b/en-us/docs/dev/impls/merger.html
index 6477ed4..a3c82ad 100644
--- a/en-us/docs/dev/impls/merger.html
+++ b/en-us/docs/dev/impls/merger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Merge strategy for return result aggregation in group.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/monitor.html b/en-us/docs/dev/impls/monitor.html
index 6773afc..a05ebb1 100644
--- a/en-us/docs/dev/impls/monitor.html
+++ b/en-us/docs/dev/impls/monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension to monitor service invocation times and time taken for each service invocation.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/networker.html b/en-us/docs/dev/impls/networker.html
index 5b81391..cd87cb7 100644
--- a/en-us/docs/dev/impls/networker.html
+++ b/en-us/docs/dev/impls/networker.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension for peer to peer network grouping.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/page.html b/en-us/docs/dev/impls/page.html
index 012ad8d..3a277be 100644
--- a/en-us/docs/dev/impls/page.html
+++ b/en-us/docs/dev/impls/page.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension for page handler</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/protocol.html b/en-us/docs/dev/impls/protocol.html
index 8054464..175f526 100644
--- a/en-us/docs/dev/impls/protocol.html
+++ b/en-us/docs/dev/impls/protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension to RPC protocol, hide details of remote call.</p>
 <p>Contract:</p>
diff --git a/en-us/docs/dev/impls/proxy-factory.html b/en-us/docs/dev/impls/proxy-factory.html
index 69cee22..8778bd5 100644
--- a/en-us/docs/dev/impls/proxy-factory.html
+++ b/en-us/docs/dev/impls/proxy-factory.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Convert <code>Invoker</code> into business interface.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/registry.html b/en-us/docs/dev/impls/registry.html
index 49b3e4c..1198275 100644
--- a/en-us/docs/dev/impls/registry.html
+++ b/en-us/docs/dev/impls/registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Registry extension is used for service registration and discovery.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/remoting.html b/en-us/docs/dev/impls/remoting.html
index b9b5360..9761eaa 100644
--- a/en-us/docs/dev/impls/remoting.html
+++ b/en-us/docs/dev/impls/remoting.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Transportation extension for communication between server and client.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/router.html b/en-us/docs/dev/impls/router.html
index 941acce..7812e2f 100644
--- a/en-us/docs/dev/impls/router.html
+++ b/en-us/docs/dev/impls/router.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Pick one from service providers and fire the invocation.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/serialize.html b/en-us/docs/dev/impls/serialize.html
index ee54c6d..acb271f 100644
--- a/en-us/docs/dev/impls/serialize.html
+++ b/en-us/docs/dev/impls/serialize.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension to serializing java object into byte code stream for transporting on the network, and vise versa.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/status-checker.html b/en-us/docs/dev/impls/status-checker.html
index 7f61469..0ad8252 100644
--- a/en-us/docs/dev/impls/status-checker.html
+++ b/en-us/docs/dev/impls/status-checker.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension to check status of resources service depends on. This status checker can be used in both telnet status command and status page.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/telnet-handler.html b/en-us/docs/dev/impls/telnet-handler.html
index 8484549..a212746 100644
--- a/en-us/docs/dev/impls/telnet-handler.html
+++ b/en-us/docs/dev/impls/telnet-handler.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension to telnet command. All server should support telnet access for operation convenience.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/threadpool.html b/en-us/docs/dev/impls/threadpool.html
index a434664..56784e7 100644
--- a/en-us/docs/dev/impls/threadpool.html
+++ b/en-us/docs/dev/impls/threadpool.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Thread pool strategy extension for service provider. When server receives one request, it needs a thread from thread pool to execute business logic in service provider.</p>
 <h2>Extension Interface</h2>
diff --git a/en-us/docs/dev/impls/validation.html b/en-us/docs/dev/impls/validation.html
index 6f9fb41..187bd20 100644
--- a/en-us/docs/dev/impls/validation.html
+++ b/en-us/docs/dev/impls/validation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Summary</h2>
 <p>Extension for parameter validation.</p>
 <h2>Extension Inteface</h2>
diff --git a/en-us/docs/dev/introduction.html b/en-us/docs/dev/introduction.html
index 2f78570..cfa5df0 100644
--- a/en-us/docs/dev/introduction.html
+++ b/en-us/docs/dev/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
 	<script>
diff --git a/en-us/docs/dev/principals/code-detail.html b/en-us/docs/dev/principals/code-detail.html
index 90dcef9..7ad71b7 100644
--- a/en-us/docs/dev/principals/code-detail.html
+++ b/en-us/docs/dev/principals/code-detail.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1056664">http://javatar.iteye.com/blog/1056664</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/configuration.html b/en-us/docs/dev/principals/configuration.html
index 1dd6e9d..0d9f7b4 100644
--- a/en-us/docs/dev/principals/configuration.html
+++ b/en-us/docs/dev/principals/configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/949527">http://javatar.iteye.com/blog/949527</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/dummy.html b/en-us/docs/dev/principals/dummy.html
index 544bede..aae20b5 100644
--- a/en-us/docs/dev/principals/dummy.html
+++ b/en-us/docs/dev/principals/dummy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/804187">http://javatar.iteye.com/blog/804187</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/expansibility.html b/en-us/docs/dev/principals/expansibility.html
index 654b4df..7c2f92c 100644
--- a/en-us/docs/dev/principals/expansibility.html
+++ b/en-us/docs/dev/principals/expansibility.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/690845">http://javatar.iteye.com/blog/690845</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/extension.html b/en-us/docs/dev/principals/extension.html
index 2d4fe36..f6a6794 100644
--- a/en-us/docs/dev/principals/extension.html
+++ b/en-us/docs/dev/principals/extension.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1041832">http://javatar.iteye.com/blog/1041832</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/general-knowledge.html b/en-us/docs/dev/principals/general-knowledge.html
index 43d949c..644359f 100644
--- a/en-us/docs/dev/principals/general-knowledge.html
+++ b/en-us/docs/dev/principals/general-knowledge.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/706098">http://javatar.iteye.com/blog/706098</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/principals/introduction.html b/en-us/docs/dev/principals/introduction.html
index 48ab52b..33b4ce9 100644
--- a/en-us/docs/dev/principals/introduction.html
+++ b/en-us/docs/dev/principals/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The design principles in this chapter are taken from a series of articles published by Liang Fei on javaeye.</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/dev/principals/robustness.html b/en-us/docs/dev/principals/robustness.html
index ef4633a..33b52db 100644
--- a/en-us/docs/dev/principals/robustness.html
+++ b/en-us/docs/dev/principals/robustness.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <blockquote>
 <p><a href="http://oldratlee.com/380/tech/java/robustness-of-implement.html">http://oldratlee.com/380/tech/java/robustness-of-implement.html</a></p>
 </blockquote>
diff --git a/en-us/docs/dev/release.html b/en-us/docs/dev/release.html
index 8ce14d2..d8b9e66 100644
--- a/en-us/docs/dev/release.html
+++ b/en-us/docs/dev/release.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><strong>New feature development</strong> and <strong>stability improvement</strong> are equally important to product. But adding new features will affect stability, dubbo uses the following version development pattern to achieve a good balance.</p>
 <h2>Two versions evolving at the same time</h2>
 <ul>
diff --git a/en-us/docs/developers/committer-guide/apache-dubbo-page_dev.html b/en-us/docs/developers/committer-guide/apache-dubbo-page_dev.html
index 9c7fe55..76abe81 100644
--- a/en-us/docs/developers/committer-guide/apache-dubbo-page_dev.html
+++ b/en-us/docs/developers/committer-guide/apache-dubbo-page_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Apache has an official website that maintains information about all incubation projects.
 Each incubation project has an information page under this website.
 Dubbo's information page address is <a href="https://incubator.apache.org/projects/dubbo.html">https://incubator.apache.org/projects/dubbo.html</a>.</p>
diff --git a/en-us/docs/developers/committer-guide/label-an-issue-guide_dev.html b/en-us/docs/developers/committer-guide/label-an-issue-guide_dev.html
index ba001cd..fc9471d 100644
--- a/en-us/docs/developers/committer-guide/label-an-issue-guide_dev.html
+++ b/en-us/docs/developers/committer-guide/label-an-issue-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>If you are handling an issue, remember to <strong>mark the issue cearly with one or more labels</strong> whenever you think it's meaningful. With labels on, other developers can easily recognize problems, classify them or track progress.</p>
 <p>For issues or pull requests that need coding and further version release to fix, you should always <strong>mark it with a <a href="https://github.com/apache/dubbo/milestones">milestone</a></strong>.</p>
 <p>Some frequently used labels:</p>
diff --git a/en-us/docs/developers/committer-guide/new-committer-guide_dev.html b/en-us/docs/developers/committer-guide/new-committer-guide_dev.html
index dbe22d3..f28fbf0 100644
--- a/en-us/docs/developers/committer-guide/new-committer-guide_dev.html
+++ b/en-us/docs/developers/committer-guide/new-committer-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>First: How to become a committer</h2>
 <h3>Initial committers at the project incubator stage</h3>
 <p>At the project incubator stage, there will be an initial committers list in the proposal of the incubator project. Confirm that you are one of the initial committers. After the vote is passed in the Apache incubator community, these committers can start preparing their account. See <a href="https://wiki.apache.org/incubator/">incubator wiki</a> for details.</p>
diff --git a/en-us/docs/developers/committer-guide/release-guide_dev.html b/en-us/docs/developers/committer-guide/release-guide_dev.html
index 72c72d5..61a323e 100644
--- a/en-us/docs/developers/committer-guide/release-guide_dev.html
+++ b/en-us/docs/developers/committer-guide/release-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>In general, Source Release is the key and the required content of Apache. But Binary Release is optional, Dubbo can choose whether to release binary packages to the Apache repository or to the Maven central repository.</p>
 <p>Please refer to the following links for more information on ASF's release guide:</p>
 <ul>
diff --git a/en-us/docs/developers/committer-guide/website-guide_dev.html b/en-us/docs/developers/committer-guide/website-guide_dev.html
index bde242a..f1650d3 100644
--- a/en-us/docs/developers/committer-guide/website-guide_dev.html
+++ b/en-us/docs/developers/committer-guide/website-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ol>
 <li>The website repository of Apache Dubbo is <a href="https://github.com/apache/dubbo-website">https://github.com/apache/dubbo-website</a></li>
 <li>After building the website, it'll be published to <a href="http://dubbo.apache.org">dubbo.apache.org</a> automatically, you can also trigger it manually via <a href="https://selfserve.apache.org">https://selfserve.apache.org</a> (need to login with Apache account)</li>
diff --git a/en-us/docs/developers/contributor-guide/become-a-committer_dev.html b/en-us/docs/developers/contributor-guide/become-a-committer_dev.html
index 1f407de..807f15e 100644
--- a/en-us/docs/developers/contributor-guide/become-a-committer_dev.html
+++ b/en-us/docs/developers/contributor-guide/become-a-committer_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Anyone can be a contributor to an Apache project. Being a contributor simply means that you take an interest in the project and contribute in some way, ranging from asking sensible questions (which documents the project and provides feedback to developers) through to providing new features as patches.</p>
 <p>If you become a valuable contributor to the project you may well be invited to become a committer. Committer is a term used at the ASF to signify someone who is committed to a particular project. It brings with it the privilege of write access to the project repository and resources.</p>
 <p>In Dubbo community, if a committers who have earned even more merit, can be invited to be a part of the Project Management Committee (PMC).</p>
diff --git a/en-us/docs/developers/contributor-guide/cla-signing-guide_dev.html b/en-us/docs/developers/contributor-guide/cla-signing-guide_dev.html
index ae872fd..2014e0e 100644
--- a/en-us/docs/developers/contributor-guide/cla-signing-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/cla-signing-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>You are required to sign the Apache ICLA under the following condition:</p>
 <ul>
 <li>You have made lots of contribution to Dubbo before Dubbo get donated to Apache, and you haven't sign the Alibaba-CLA before.</li>
diff --git a/en-us/docs/developers/contributor-guide/dubbo-extension-guide_dev.html b/en-us/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
index c62d7ad..9e58568 100644
--- a/en-us/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo Use microkernel + plugin design pattern. Microkernel is only responsible for assembling plugins, the functions of Dubbo are implemented by extension points(plugins), which means that all functions of Dubbo can be replaced by user customized extension.</p>
 <h2>Dubbo Ecosystem</h2>
 <p>We recommend you to put extension to Dubbo <a href="https://github.com/dubbo">ecosystem</a>. Using this pattern will keep the core repository cleaner and decrease the maintains work. With less code also speed up core repository build process.</p>
diff --git a/en-us/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html b/en-us/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
index 0d66e50..c2dd815 100644
--- a/en-us/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The Dubbo developer mailing list (<a href="mailto:dev@dubbo.apache.org">dev@dubbo.apache.org</a>) for Apache Incubator has been established, please feel free to subscribe and refer to [^1] for more details.</p>
 <p>You can also view <a href="https://lists.apache.org/list.html?dev@dubbo.apache.org">the archive of the mailing list</a></p>
 <p>Here is a brief guide specific to Dubbo:</p>
diff --git a/en-us/docs/developers/contributor-guide/new-contributor-guide_dev.html b/en-us/docs/developers/contributor-guide/new-contributor-guide_dev.html
index 88dc319..1fc1294 100644
--- a/en-us/docs/developers/contributor-guide/new-contributor-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/new-contributor-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>This is a guide for new comers who wants to contribute to Dubbo.</p>
 <h3>Subscribe to the mailing list</h3>
 <p>The mailing list is the recommended way for discussing almost anything that related to Dubbo. Please refer to this <a href="https://github.com/apache/dubbo/issues/1393">issue</a> for detailed documentation on how to subscribe.</p>
diff --git a/en-us/docs/developers/contributor-guide/reporting-security-issues_dev.html b/en-us/docs/developers/contributor-guide/reporting-security-issues_dev.html
index e25fa5b..ef117d2 100644
--- a/en-us/docs/developers/contributor-guide/reporting-security-issues_dev.html
+++ b/en-us/docs/developers/contributor-guide/reporting-security-issues_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The Apache Software Foundation takes a rigorous standpoint in annihilating the security issues in its software projects. Apache Dubbo is highly sensitive and forthcoming to issues pertaining to its features and functionality.</p>
 <h2>REPORTING VULNERABILITY</h2>
 <p>If you have apprehensions regarding Dubbo's security or you discover vulnerability or potential threat, don’t hesitate to get in touch with the Apache Dubbo Security Team by dropping a mail at <a href="mailto:security@dubbo.apache.org">security@dubbo.apache.org</a>. In the mail, specify the description of the issue or potential threat. You are also urged to recommend the way to reproduce and replicate the issue. The Dubbo community will get back to you after assessing and analysing th [...]
diff --git a/en-us/docs/developers/contributor-guide/software-donation-guide_dev.html b/en-us/docs/developers/contributor-guide/software-donation-guide_dev.html
index f234cef..45a4afa 100644
--- a/en-us/docs/developers/contributor-guide/software-donation-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/software-donation-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Before you go through this guide, make sure you have confirmed with PMC that a SGA is actually needed.</p>
 <p>If you are donating significant amount of code or documentation to Apache Dubbo , you will be required to sign a <a href="https://www.apache.org/licenses/#grants">Software Grant</a> before your code/doc could be merged.</p>
 <h4>Steps</h4>
diff --git a/en-us/docs/developers/contributor-guide/test-coverage-guide_dev.html b/en-us/docs/developers/contributor-guide/test-coverage-guide_dev.html
index a022522..38f708d 100644
--- a/en-us/docs/developers/contributor-guide/test-coverage-guide_dev.html
+++ b/en-us/docs/developers/contributor-guide/test-coverage-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h3>1.The benefits of unit testing</h3>
 <ul>
 <li>Unit test code can help everyone to go into details and understand the function of the code.</li>
diff --git a/en-us/docs/developers/developers_dev.html b/en-us/docs/developers/developers_dev.html
index 2631144..b541c04 100644
--- a/en-us/docs/developers/developers_dev.html
+++ b/en-us/docs/developers/developers_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>This page shows Dubbo developers. Please file PR to add or change items.</p>
 <h3>Committers</h3>
 <table>
diff --git a/en-us/docs/developers/guide_dev.html b/en-us/docs/developers/guide_dev.html
index 42aa95d..f7c8c38 100644
--- a/en-us/docs/developers/guide_dev.html
+++ b/en-us/docs/developers/guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo is released under the non-restrictive Apache 2.0 license, and follows a very standard Github development process, using Github tracker for issues and merging pull requests into master. If you want to contribute even something trivial please do not hesitate, but follow the guidelines below.</p>
 <h3>Sign the Contributor License Agreement</h3>
 <p>Before we accept a non-trivial patch or pull request we will need you to sign the Contributor License Agreement. Signing the contributor’s agreement does not grant anyone commit rights to the main repository, but it does mean that we can accept your contributions, and you will get an author credit if we do. Active contributors might be asked to join the core team, and given the ability to merge pull requests.</p>
diff --git a/en-us/docs/developers/user-guide/faq_dev.html b/en-us/docs/developers/user-guide/faq_dev.html
index b38b886..47dd74f 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h3>Where is dubbo-admin?</h3>
 <p>dubbo-admin has been moved from core repository to <a href="https://github.com/apache/dubbo-admin">https://github.com/apache/dubbo-admin</a> since 2.6.1</p>
 <h3>Which version should I choose?</h3>
diff --git a/en-us/docs/user/README.html b/en-us/docs/user/README.html
index 182b7bc..63723d4 100644
--- a/en-us/docs/user/README.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The dubbo cookbook, covering almost all features of dubbo framework.</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/user/SUMMARY.html b/en-us/docs/user/SUMMARY.html
index 6e72453..6fe35ad 100644
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+++ b/en-us/docs/user/SUMMARY.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ul>
 <li><a href="./preface/index.md">1 Preface</a>
 <ul>
diff --git a/en-us/docs/user/benchmark-tool.html b/en-us/docs/user/benchmark-tool.html
index 380dd0d..8a996f9 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ul>
 <li>download: git clone <a href="https://github.com/apache/dubbo.git">https://github.com/apache/dubbo.git</a></li>
 <li>compile benchmark: cd dubbo/dubbo-test/dubbo-test-benchmark; mvn clean install</li>
diff --git a/en-us/docs/user/best-practice.html b/en-us/docs/user/best-practice.html
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 </head>
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-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Modularization</h2>
 <p>It is recommended to put service interfaces, service models, service exceptions, and so on in the API package,Because the service model and exception are part of the API, it is also in conformity with the modularization principle:Reusing the publish equivalence principle (REP) and the Common Reuse Principle (CRP).</p>
 <p>If you need, you can also consider placing a spring reference configuration in the API package, so that the user can only use the configuration in the spring loading process, and the configuration suggestion is placed in the package directory of the module, so as not to conflict, eg:<code>com/alibaba/china/xxx/dubbo-reference.xml</code>。</p>
diff --git a/en-us/docs/user/capacity-plan.html b/en-us/docs/user/capacity-plan.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The following data for reference:</p>
 <h2>Use member service project of Dubbo</h2>
 <ul>
diff --git a/en-us/docs/user/configuration/annotation.html b/en-us/docs/user/configuration/annotation.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Requires<code>2.6.3</code> or higher
 click here to view the <a href="https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-annotation">complete sample</a></p>
 <h2>Provider Side</h2>
diff --git a/en-us/docs/user/configuration/api.html b/en-us/docs/user/configuration/api.html
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 </head>
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-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>All API properties have counterparts in XML, see <a href="../references/xml/introduction.md">XML References</a> for details. For example <code>ApplicationConfig.setName(&quot;xxx&quot;)</code> equals to  <code>&lt;dubbo:application name=&quot;xxx&quot; /&gt;</code> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>Provider Side</h2>
 <pre><code class="language-java"><span class="hljs-keyword">import</span> org.apache.dubbo.rpc.config.ApplicationConfig;
diff --git a/en-us/docs/user/configuration/index.html b/en-us/docs/user/configuration/index.html
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-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/user/configuration/properties.html b/en-us/docs/user/configuration/properties.html
index a0ff335..3cea006 100644
--- a/en-us/docs/user/configuration/properties.html
+++ b/en-us/docs/user/configuration/properties.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>If your application is simple enough, say, you do not need multi-registries or multi-protocols, and you want to share configuration among Spring containers. You can use <code>dubbo.properties</code> as default configuration.</p>
 <p>Dubbo will load dubbo.properties under the root of classpath automatically, you can also specify the path for loading this file by using JVM parameter: <code>-Ddubbo.properties.file=xxx.properties</code>.</p>
 <h2>Mapping Rules</h2>
diff --git a/en-us/docs/user/configuration/xml.html b/en-us/docs/user/configuration/xml.html
index e125d96..12b6741 100644
--- a/en-us/docs/user/configuration/xml.html
+++ b/en-us/docs/user/configuration/xml.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>About the XML configuration items, see:<a href="../references/xml/introduction.md">XML References</a>. If you prefer use API directly instead of using Spring, see <a href="./api.md">API Configuration</a>. Want a example of how to use configuration, see <a href="../quick-start.md">Quick Start</a>。</p>
 <h2>provider.xml demo</h2>
 <pre><code class="language-xml"><span class="hljs-meta">&lt;?xml version="1.0" encoding="UTF-8"?&gt;</span>
diff --git a/en-us/docs/user/coveragence.html b/en-us/docs/user/coveragence.html
index 20deaea..0454093 100644
--- a/en-us/docs/user/coveragence.html
+++ b/en-us/docs/user/coveragence.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ul>
 <li>v2.0   Codecov report , Statistics since  2017-12-29
 The test coverage is : <a href="https://codecov.io/gh/apache/dubbo"><img src="https://codecov.io/gh/apache/dubbo/branch/master/graph/badge.svg" alt="codecov"></a> , we can get the report in <a href="https://codecov.io/gh/apache/dubbo">https://codecov.io/gh/apache/dubbo</a></li>
diff --git a/en-us/docs/user/demos/accesslog.html b/en-us/docs/user/demos/accesslog.html
index d7a6b8b..2c2ef00 100644
--- a/en-us/docs/user/demos/accesslog.html
+++ b/en-us/docs/user/demos/accesslog.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>If you want to logging the access information for each provide service,you can turn on the <code>accesslog</code> switch,which like the access log of <code>Apache</code>.</p>
 <p><strong>Note:</strong>
 The size of the access log maybe too much,please check the disk capacity.
diff --git a/en-us/docs/user/demos/async-call-deprecated.html b/en-us/docs/user/demos/async-call-deprecated.html
new file mode 100644
index 0000000..ea38400
--- /dev/null
+++ b/en-us/docs/user/demos/async-call-deprecated.html
@@ -0,0 +1,86 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+	<meta name="keywords" content="async-call-deprecated" />
+	<meta name="description" content="async-call-deprecated" />
+	<!-- 网页标签标题 -->
+	<title>async-call-deprecated</title>
+	<link rel="shortcut icon" href="/img/dubbo.ico"/>
+	<link rel="stylesheet" href="/build/documentation.css" />
+</head>
+<body>
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+
+NIO-based non-blocking parallel call, the client does not need to start multi-threading to complete multiple remote services in parallel, and the relative multi-threading overhead is small.。 [^1]
+
+![/user-guide/images/future.jpg](../sources/images/future.jpg)
+
+Configured in consumer.xml:
+
+```xml
+&lt;dubbo:reference id=&quot;fooService&quot; interface=&quot;com.alibaba.foo.FooService&quot;&gt;
+      &lt;dubbo:method name=&quot;findFoo&quot; async=&quot;true&quot; /&gt;
+&lt;/dubbo:reference&gt;
+&lt;dubbo:reference id=&quot;barService&quot; interface=&quot;com.alibaba.bar.BarService&quot;&gt;
+      &lt;dubbo:method name=&quot;findBar&quot; async=&quot;true&quot; /&gt;
+&lt;/dubbo:reference&gt;
+</code></pre>
+<p>Call code:</p>
+<pre><code class="language-java"><span class="hljs-comment">// This call will return null immediately</span>
+fooService.findFoo(fooId);
+<span class="hljs-comment">// Get the called Future reference, when the result is returned, it will be notified and set to this Future</span>
+Future&lt;Foo&gt; fooFuture = RpcContext.getContext().getFuture();
+ 
+<span class="hljs-comment">// This call will return null immediately</span>
+barService.findBar(barId);
+<span class="hljs-comment">// Get the called Future reference, when the result is returned, it will be notified and set to this Future</span>
+Future&lt;Bar&gt; barFuture = RpcContext.getContext().getFuture();
+ 
+<span class="hljs-comment">// At this time, the requests of findFoo and findBar are executed at the same time. The client does not need to start multi-threading to support parallelism, but completes the non-blocking of NIO.</span>
+ 
+/ / If foo has returned, get the <span class="hljs-keyword">return</span> value directly, otherwise the thread waits, waiting <span class="hljs-keyword">for</span> foo to <span class="hljs-keyword">return</span>, the thread will be wake up by notify
+Foo foo = fooFuture.get();
+<span class="hljs-comment">// Same as waiting for bar to return</span>
+Bar bar = barFuture.get();
+ 
+<span class="hljs-comment">// If foo needs 5 seconds to return, bar needs 6 seconds to return. In fact, it only takes 6 seconds to get foo and bar for the next processing.</span>
+</code></pre>
+<p>You can also set whether to wait for the message to be sent: <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
+<ul>
+<li><code>sent=&quot;true&quot;</code> Wait for a message to be sent, and a message failure will throw an exception.</li>
+<li><code>sent=&quot;false&quot;</code> Do not wait for the message to be sent, put the message into the IO queue, and return immediately.</li>
+</ul>
+<pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findFoo"</span> <span class="hljs-attr">async</span>=<span class="hljs-string">"true"</span> <span class="hljs-attr">sent</span>=<span class="hljs-string">"true"</span> /&gt;</span>
+</code></pre>
+<p>If you just want to be asynchronous and completely ignore the return value, you can configure <code>return=&quot;false&quot;</code> to reduce the creation and management cost of the Future object:</p>
+<pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findFoo"</span> <span class="hljs-attr">async</span>=<span class="hljs-string">"true"</span> <span class="hljs-attr">return</span>=<span class="hljs-string">"false"</span> /&gt;</span>
+</code></pre>
+<pre><code></code></pre>
+<hr class="footnotes-sep">
+<section class="footnotes">
+<ol class="footnotes-list">
+<li id="fn1" class="footnote-item"><p>Asynchronous always does not wait to return <a href="#fnref1" class="footnote-backref">↩︎</a></p>
+</li>
+</ol>
+</section>
+</div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
+	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
+	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
+	<script>
+		window.rootPath = '';
+  </script>
+  <script src="/build/documentation.js"></script>
+  <!-- Global site tag (gtag.js) - Google Analytics -->
+	<script async src="https://www.googletagmanager.com/gtag/js?id=UA-112489517-1"></script>
+	<script>
+		window.dataLayer = window.dataLayer || [];
+		function gtag(){dataLayer.push(arguments);}
+		gtag('js', new Date());
+
+		gtag('config', 'UA-112489517-1');
+	</script>
+</body>
+</html>
\ No newline at end of file
diff --git a/en-us/docs/user/demos/async-call-deprecated.json b/en-us/docs/user/demos/async-call-deprecated.json
new file mode 100644
index 0000000..76553d1
--- /dev/null
+++ b/en-us/docs/user/demos/async-call-deprecated.json
@@ -0,0 +1,6 @@
+{
+  "filename": "async-call-deprecated.md",
+  "__html": "<pre><code># Asynchronous call\n\nNIO-based non-blocking parallel call, the client does not need to start multi-threading to complete multiple remote services in parallel, and the relative multi-threading overhead is small.。 [^1]\n\n![/user-guide/images/future.jpg](../sources/images/future.jpg)\n\nConfigured in consumer.xml:\n\n```xml\n&lt;dubbo:reference id=&quot;fooService&quot; interface=&quot;com.alibaba.foo.FooService&quot;&gt;\n      &lt;dubbo:method name=&quot;findFoo [...]
+  "link": "/en-us/docs/user/demos/async-call-deprecated.html",
+  "meta": {}
+}
\ No newline at end of file
diff --git a/en-us/docs/user/demos/async-call.html b/en-us/docs/user/demos/async-call.html
index d896b9b..da499d4 100644
--- a/en-us/docs/user/demos/async-call.html
+++ b/en-us/docs/user/demos/async-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>As dubbo is based on a non-blocking NIO network layer, the client can start parallel call to multiple remote services without explicitly starting mulithreads, which costs relatively fewer resources.</p>
 <p><img src="../sources/images/future.jpg" alt="/user-guide/images/future.jpg"></p>
 <p>You can config at <code>consumer.xml</code> for setup asynchronous call some remote service.</p>
diff --git a/en-us/docs/user/demos/attachment.html b/en-us/docs/user/demos/attachment.html
index 05fb9eb..781c798 100644
--- a/en-us/docs/user/demos/attachment.html
+++ b/en-us/docs/user/demos/attachment.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>You can implicitly pass parameters between service consumers and providers via <code>setAttachment</code> and<code>getAttachment</code> on <code>RpcContext</code>.
 <img src="../sources/images/context.png" alt="/user-guide/images/context.png"></p>
 <h2>Set the implicit parameters at service consumer side</h2>
diff --git a/en-us/docs/user/demos/callback-parameter.html b/en-us/docs/user/demos/callback-parameter.html
index b764871..79b0a59 100644
--- a/en-us/docs/user/demos/callback-parameter.html
+++ b/en-us/docs/user/demos/callback-parameter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The parameter callback is the same as calling a local callback or listener, just declare which parameter is a callback type in Spring's configuration file, and Dubbo will generate a reverse proxy based on the long connection so that client logic can be called from the server.Can ref to <a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-callback">Sample code in the dubbo project</a>.</p>
 <h2>Example of service interface</h2>
 <h3>CallbackService.java</h3>
diff --git a/en-us/docs/user/demos/concurrency-control.html b/en-us/docs/user/demos/concurrency-control.html
index e7ce966..605bbb4 100644
--- a/en-us/docs/user/demos/concurrency-control.html
+++ b/en-us/docs/user/demos/concurrency-control.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Example of configuration</h2>
 <ul>
 <li>Example 1: Control the concurrency of all method for a specified service interface at server-side</li>
diff --git a/en-us/docs/user/demos/config-connections.html b/en-us/docs/user/demos/config-connections.html
index e291ac4..fb85d6b 100644
--- a/en-us/docs/user/demos/config-connections.html
+++ b/en-us/docs/user/demos/config-connections.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Control connections at server-side</h2>
 <p>Limit server-side accept to no more than 10 connections</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:provider</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">accepts</span>=<span class="hljs-string">"10"</span> /&gt;</span>
diff --git a/en-us/docs/user/demos/config-rule.html b/en-us/docs/user/demos/config-rule.html
index 780c82f..ce5830c 100644
--- a/en-us/docs/user/demos/config-rule.html
+++ b/en-us/docs/user/demos/config-rule.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Write then dynamic configuration to the registry center,This feature is usually done by the monitoring center or the center's page.</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
 Registry registry = registryFactory.getRegistry(URL.valueOf(<span class="hljs-string">"zookeeper://10.20.153.10:2181"</span>));
diff --git a/en-us/docs/user/demos/context.html b/en-us/docs/user/demos/context.html
index 48d769f..b3ab2e1 100644
--- a/en-us/docs/user/demos/context.html
+++ b/en-us/docs/user/demos/context.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>All environment information of during the current call will put into the context,and all configuration information will convert the parameters of <code>URL</code> instance,Ref to the column of <strong>URL parameters</strong> at the <a href="../references/xml/introduction.md">schema configuration reference book</a></p>
 <p><code>RpcContext</code> is a temporary status recorder of <code>ThreadLocal</code>,when accept <code>RPC</code> request or send <code>RPC</code> request,The <code>RpcContext</code> will be  changed.Such as: <code>A</code> call <code>B</code> and <code>B</code> call <code>C</code>. On <code>B</code> machine,before <code>B</code> call <code>C</code>,the <code>RpcContext</code> will record the information of <code>A</code> call <code>B</code>.After <code>B</code> call <code>C</code>,the  [...]
 <h2>At service consumer</h2>
diff --git a/en-us/docs/user/demos/delay-publish.html b/en-us/docs/user/demos/delay-publish.html
index 89548f7..6820a9f 100644
--- a/en-us/docs/user/demos/delay-publish.html
+++ b/en-us/docs/user/demos/delay-publish.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>If your services need time to warm up, such as: initialization cache or another reference resources has to be ready. You can use the delay feature to delay publishing services. We fine-tuned the service delay exposure logic in Dubbo 2.6.5, delaying the countdown of services that require delayed exposure until Spring initialization is complete. You won't be aware of this change while using Dubbo, so please be assured that use.</p>
 <h2>Prior to Dubbo-2.6.5</h2>
 <h3>Delay five second publish</h3>
diff --git a/en-us/docs/user/demos/distributed-transaction.html b/en-us/docs/user/demos/distributed-transaction.html
index 3a47469..7731920 100644
--- a/en-us/docs/user/demos/distributed-transaction.html
+++ b/en-us/docs/user/demos/distributed-transaction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Distributed transactions are based on the JTA / XA specification(this feature has not yet been implemented)</p>
 <p>Two-phase commit:</p>
 <p><img src="../sources/images/jta-xa.jpg" alt="/user-guide/images/jta-xa.jpg"></p>
diff --git a/en-us/docs/user/demos/dump.html b/en-us/docs/user/demos/dump.html
index aedfc75..cac5586 100644
--- a/en-us/docs/user/demos/dump.html
+++ b/en-us/docs/user/demos/dump.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>When the business thread pool is full, we need to know what resources/conditions are waiting for the thread , to find the bottleneck point of the system or abnormal point. <code>dubbo</code> automatically export thread stack through <code>Jstack</code> to keep the scene for easy to troubleshoot the problem.</p>
 <p>Default policy:</p>
 <ul>
diff --git a/en-us/docs/user/demos/echo-service.html b/en-us/docs/user/demos/echo-service.html
index 46409f3..2a91d12 100644
--- a/en-us/docs/user/demos/echo-service.html
+++ b/en-us/docs/user/demos/echo-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Echo testing is used for check the service is available,Echo testing is performed according to the normal request flow and is able to test whether the entire call is unobstructed and can be used for monitoring.</p>
 <p>All the services will be automatically implemented <code>EchoService</code> interface,just cast any service reference to <code>EchoService</code> to use it.</p>
 <p>Spring configuration:</p>
diff --git a/en-us/docs/user/demos/events-notify.html b/en-us/docs/user/demos/events-notify.html
index d05e260..210bd25 100644
--- a/en-us/docs/user/demos/events-notify.html
+++ b/en-us/docs/user/demos/events-notify.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Before calling, after calling, when an exception occurs,will trigger <code>oninvoke</code>, <code>onreturn</code>, <code>onthrow</code> events.You can configure which method to notify when an event occurs.</p>
 <h2>Service Interface</h2>
 <pre><code class="language-java"><span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">IDemoService</span> </span>{
diff --git a/en-us/docs/user/demos/explicit-target.html b/en-us/docs/user/demos/explicit-target.html
index dce7689..e16c1a7 100644
--- a/en-us/docs/user/demos/explicit-target.html
+++ b/en-us/docs/user/demos/explicit-target.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>In the development and testing environment, it is often necessary to bypass the registry and test only designated service providers. In this case, point-to-point direct connection may be required, and the service provider will ignore the list of provider registration providers. The interface A configure Point-to-point, does not affect the B interface to obtain a list from the registry.</p>
 <p><img src="../sources/images/dubbo-directly.jpg" alt="/user-guide/images/dubbo-directly.jpg"></p>
 <h2>Configure with XML</h2>
diff --git a/en-us/docs/user/demos/fault-tolerent-strategy.html b/en-us/docs/user/demos/fault-tolerent-strategy.html
index 45d0bb6..49324af 100644
--- a/en-us/docs/user/demos/fault-tolerent-strategy.html
+++ b/en-us/docs/user/demos/fault-tolerent-strategy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo offers a variety of fault-tolerant scenarios when a cluster call fails, with a default failover retry.</p>
 <p><img src="../sources/images/cluster.jpg" alt="cluster"></p>
 <p>The relationship between nodes:</p>
diff --git a/en-us/docs/user/demos/generic-reference.html b/en-us/docs/user/demos/generic-reference.html
index 9fab967..6149b41 100644
--- a/en-us/docs/user/demos/generic-reference.html
+++ b/en-us/docs/user/demos/generic-reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Generic invocation is mainly used when the client does not have API interface or model class,  all POJOs in parameters and return values are represented by <code>Map</code>.Commonly used for framework integration such as: implementing a common service testing framework, all service implementations can be invoked via <code>GenericService</code>.</p>
 <h2>Use generic invocation via Spring</h2>
 <p>Declared in the Spring configuration file <code>generic =&quot; true &quot;</code>:</p>
diff --git a/en-us/docs/user/demos/generic-service.html b/en-us/docs/user/demos/generic-service.html
index cb263bc..6f9ba78 100644
--- a/en-us/docs/user/demos/generic-service.html
+++ b/en-us/docs/user/demos/generic-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The implementation of the generic interface is mainly used when there is no API interface and model class on the server side. All POJOs in the parameters and return values are represented by the Map and are usually used for framework integration. For example, to implement a universal remote service Mock framework, handle all service requests by implementing the GenericService interface.</p>
 <p>In Java code, implement <code>GenericService</code> interface:</p>
 <pre><code class="language-java"><span class="hljs-keyword">package</span> com.foo;
diff --git a/en-us/docs/user/demos/graceful-shutdown.html b/en-us/docs/user/demos/graceful-shutdown.html
index 4cf162e..12a7fe4 100644
--- a/en-us/docs/user/demos/graceful-shutdown.html
+++ b/en-us/docs/user/demos/graceful-shutdown.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo is graceful shutdown through the <code>ShutdownHook</code> of the JDK, so graceful shutdowns are not performed if you force shutdown the command, such as <code>kill -9 PID</code>, and will only be executed if <code>kill PID</code> is passed.</p>
 <h2>Howto</h2>
 <h3>Service provider</h3>
diff --git a/en-us/docs/user/demos/group-merger.html b/en-us/docs/user/demos/group-merger.html
index 3b3f372..460cccf 100644
--- a/en-us/docs/user/demos/group-merger.html
+++ b/en-us/docs/user/demos/group-merger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>According to the group to invoke server and return the merge result <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, such as the menu service, the same interface, but there are a variety of implementations, using group distinction, consumers call each group and get the results, the merger can merge the resules, so that you can achieve aggregation Menu Item.</p>
 <p>Related code can refer to <a href="https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-merge">dubbo project example</a></p>
 <h2>Configuration</h2>
diff --git a/en-us/docs/user/demos/hostname-binding.html b/en-us/docs/user/demos/hostname-binding.html
index 69e5edc..4058912 100644
--- a/en-us/docs/user/demos/hostname-binding.html
+++ b/en-us/docs/user/demos/hostname-binding.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Lookup order</h2>
 <p>Default host IP lookup order:</p>
 <ul>
diff --git a/en-us/docs/user/demos/index.html b/en-us/docs/user/demos/index.html
index 5bdc12c..6ecfb65 100644
--- a/en-us/docs/user/demos/index.html
+++ b/en-us/docs/user/demos/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/user/demos/introduction.html b/en-us/docs/user/demos/introduction.html
index ded4815..343f3c0 100644
--- a/en-us/docs/user/demos/introduction.html
+++ b/en-us/docs/user/demos/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><img src="../sources/images/check.gif" alt="warning">To complete run, please see:<a href="quickstart.md">Quickstart</a>, here just lists the configuration of various scenarios
 <img src="../sources/images/check.gif" alt="warning">The following examples are all based on Spring configuration:<a href="../configuration/xml.md">Xml configuration</a> for reference, if you do not want to use Spring, but want to be use it via the directly API, please see:<a href="../configuration/api.md">API configuration</a></p>
 </blockquote>
diff --git a/en-us/docs/user/demos/lazy-connect.html b/en-us/docs/user/demos/lazy-connect.html
index 052d628..b1c3660 100644
--- a/en-us/docs/user/demos/lazy-connect.html
+++ b/en-us/docs/user/demos/lazy-connect.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Lazy connect can reduce the number of keep-alive connections. When a call is initiated, create a keep-alive connection.<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">lazy</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
diff --git a/en-us/docs/user/demos/loadbalance.html b/en-us/docs/user/demos/loadbalance.html
index 8f8f5ee..03e0e02 100644
--- a/en-us/docs/user/demos/loadbalance.html
+++ b/en-us/docs/user/demos/loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo offers a number of balancing strategies for cluster load balancing, which defaults to <code>random</code>.</p>
 <p>You can extend the load balancing strategy by yourself, see: <a href="../../dev/impls/load-balance.md">LoadBalance extension</a></p>
 <h2>LoadBalance strategy</h2>
diff --git a/en-us/docs/user/demos/local-call.html b/en-us/docs/user/demos/local-call.html
index 61f0c4a..2589c87 100644
--- a/en-us/docs/user/demos/local-call.html
+++ b/en-us/docs/user/demos/local-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The local call uses the <code>injvm</code> protocol, a pseudo-protocol that does not turn on the port, does not initiate remote calls, is directly associated within the JVM, but executes the Dubbo Filter chain.</p>
 <h2>Configuration</h2>
 <p>Configure <code>injvm</code> protocol</p>
diff --git a/en-us/docs/user/demos/local-mock.html b/en-us/docs/user/demos/local-mock.html
index aebeb57..e3ce7d9 100644
--- a/en-us/docs/user/demos/local-mock.html
+++ b/en-us/docs/user/demos/local-mock.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Local mock <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is usually used for service downgrade, such as a verification service, the client does not throw an exception when the service provider hangs up all the time, but returns the authorization failed through the Mock data.</p>
 <p>Configured in the spring configuration file as follows:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">mock</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/en-us/docs/user/demos/local-stub.html b/en-us/docs/user/demos/local-stub.html
index 671c3cd..c651636 100644
--- a/en-us/docs/user/demos/local-stub.html
+++ b/en-us/docs/user/demos/local-stub.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>When using rpc, the client usually only the interface, but sometimes the client also want to perform part of the logic in the client. For example: do ThreadLocal cache, verify parameters, return mock data when call fails., etc.</p>
 <p>To solve this problem, you can configure the stub in the API, so that when the client generates the proxy instance, it passes the proxy to the <code>Stub</code> via the constructor <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, and then you can implement your logic in the stub implementation code.</p>
 <p><img src="../sources/images/stub.jpg" alt="/user-guide/images/stub.jpg"></p>
diff --git a/en-us/docs/user/demos/logger-strategy.html b/en-us/docs/user/demos/logger-strategy.html
index b63833f..468e86a 100644
--- a/en-us/docs/user/demos/logger-strategy.html
+++ b/en-us/docs/user/demos/logger-strategy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><code>2.2.1</code> or later, dubbo support log4j、slf4j、jcl、jdk adapters <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, you can also explicitly configure the log output policy in the following ways:</p>
 <ol start="0">
 <li>
diff --git a/en-us/docs/user/demos/multi-protocols.html b/en-us/docs/user/demos/multi-protocols.html
index 8fddaed..9f7651c 100644
--- a/en-us/docs/user/demos/multi-protocols.html
+++ b/en-us/docs/user/demos/multi-protocols.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo allows you to configure multiple protocols, support different protocols on different services, or support multiple protocols on the same service.</p>
 <h2>Every service export to one specific protocol separately</h2>
 <p>Different protocol performance is not the same. Such as big data should use short connection protocol, small data and concurrent should use long connection protocol.</p>
diff --git a/en-us/docs/user/demos/multi-registry.html b/en-us/docs/user/demos/multi-registry.html
index f2a76d6..7035fb4 100644
--- a/en-us/docs/user/demos/multi-registry.html
+++ b/en-us/docs/user/demos/multi-registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo supports the same service to register multiple registries, or different services were registered to different registries, or even reference the same name service from different registries. In addition, the registry supports custom extensions <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h2>One service register to multiple registries</h2>
 <p>For example: Alibaba some services are not deployed in Qingdao, only deployed in Hangzhou. While other applications in Qingdao need to reference this service, you can register your services to both registries at the same time.</p>
diff --git a/en-us/docs/user/demos/multi-versions.html b/en-us/docs/user/demos/multi-versions.html
index 11b24c0..84784c0 100644
--- a/en-us/docs/user/demos/multi-versions.html
+++ b/en-us/docs/user/demos/multi-versions.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>When an interface to achieve an incompatible upgrade, you can use the version number transition. Different versions of the services do not reference each other.</p>
 <p>You can follow the steps below for version migration:</p>
 <ol start="0">
diff --git a/en-us/docs/user/demos/netty4.html b/en-us/docs/user/demos/netty4.html
index ba98ab1..970dbe7 100644
--- a/en-us/docs/user/demos/netty4.html
+++ b/en-us/docs/user/demos/netty4.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>provider:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">server</span>=<span class="hljs-string">"netty4"</span> /&gt;</span>
 </code></pre>
diff --git a/en-us/docs/user/demos/parameter-validation.html b/en-us/docs/user/demos/parameter-validation.html
index bf61e18..2067907 100644
--- a/en-us/docs/user/demos/parameter-validation.html
+++ b/en-us/docs/user/demos/parameter-validation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The parameter validation <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is based on [JSR303] (<a href="https://jcp.org/en/jsr/detail?id=303">https://jcp.org/en/jsr/detail?id=303</a>). The user simply add the validation annotation of the JSR303 and declares the filter for validation <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <h2>Maven Dependency</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
diff --git a/en-us/docs/user/demos/preflight-check.html b/en-us/docs/user/demos/preflight-check.html
index d867a57..2b39df7 100644
--- a/en-us/docs/user/demos/preflight-check.html
+++ b/en-us/docs/user/demos/preflight-check.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>By default dubbo will check if the dependent service is available at startup . It will throw an exception to prevent Spring complete initialization when it is not available, so that you can find the problems early before publishing you application, the default setting: <code>check=true</code>.</p>
 <p>You can turn off checking by <code>check=false</code>. For example, some services do not care it when you run testing, or you must have one started firstly because of circular dependency.</p>
 <p>In addition, if your Spring bean is lazy-loaded or you delay reference service with API programming, turn off the check,
diff --git a/en-us/docs/user/demos/reference-config-cache.html b/en-us/docs/user/demos/reference-config-cache.html
index cde00f6..5a08a2a 100644
--- a/en-us/docs/user/demos/reference-config-cache.html
+++ b/en-us/docs/user/demos/reference-config-cache.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The instance of <code>ReferenceConfig</code> is heavy. It encapsulates the connection to the registry and the connection to the provider, so it need to be cached. Otherwise, repeatedly generating <code>ReferenceConfig</code> may cause performance problems , memory and connection leaks. This problem is easy to ignored when programming in API mode.</p>
 <p>Therefore, since <code>2.4.0</code>, dubbo provides a simple utility ReferenceConfigCache for caching instances of <code>ReferenceConfig</code>.</p>
 <p>Use as follows:</p>
diff --git a/en-us/docs/user/demos/registry-only.html b/en-us/docs/user/demos/registry-only.html
index 9a426d6..9d370b6 100644
--- a/en-us/docs/user/demos/registry-only.html
+++ b/en-us/docs/user/demos/registry-only.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>You have two mirroring environments, two registries.
 You have deployed one service at only one of the registries, another registries have not had time to deploy, and other applications at both registries need to rely on the service.
 At this time, the service provider registers service to another registrar, but the service consumers do not consume the service from another registrar.</p>
diff --git a/en-us/docs/user/demos/result-cache.html b/en-us/docs/user/demos/result-cache.html
index 4c89548..4dba0ac 100644
--- a/en-us/docs/user/demos/result-cache.html
+++ b/en-us/docs/user/demos/result-cache.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Cache Result <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is used to speed up access to popular data. Dubbo provides declarative caching to reduce the user work of adding cache <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>Cache Type</h2>
 <ul>
diff --git a/en-us/docs/user/demos/routing-rule.html b/en-us/docs/user/demos/routing-rule.html
index e6302ec..ae1d73e 100644
--- a/en-us/docs/user/demos/routing-rule.html
+++ b/en-us/docs/user/demos/routing-rule.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The routing rules <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> determine the target server of one service call. It has two kinds of routing rules: conditional routing rules and script routing rules. It also support extension<sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <h2>Write Routing Rules</h2>
 <p>Writing routing rules to the registry is usually done by the monitoring center or the console page.</p>
diff --git a/en-us/docs/user/demos/serialization.html b/en-us/docs/user/demos/serialization.html
index 7665ded..10fde78 100644
--- a/en-us/docs/user/demos/serialization.html
+++ b/en-us/docs/user/demos/serialization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Start Kryo and FST</h2>
 <p><font size=3>Using Kryo and FST is very simple, just add an attribute to the dubbo RPC XML configurition:</font></p>
 <pre><code>&lt;dubbo:protocol name=&quot;dubbo&quot; serialization=&quot;kryo&quot;/&gt;
diff --git a/en-us/docs/user/demos/service-container.html b/en-us/docs/user/demos/service-container.html
index cb9cd9a..9d849ed 100644
--- a/en-us/docs/user/demos/service-container.html
+++ b/en-us/docs/user/demos/service-container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The service container is a standalone launcher because the backend service does not require the functionality of a Web container ,such as Tomcat or JBoss. If you insist on using web containers to load service providers, that increase complexity and is waste of resources.</p>
 <p>The service container is just a simple Main method and loads a simple Spring container to expose the service.</p>
 <p>The content of Service container can be extended, built-in spring, jetty, log4j etc..  This can be expanded with <a href="http://dubbo.apache.org/en-us/docs/dev/impls/container.html">Container Extension Points</a>. Configure it with the -D parameter in the java command or <code>dubbo.properties</code>.</p>
diff --git a/en-us/docs/user/demos/service-downgrade.html b/en-us/docs/user/demos/service-downgrade.html
index e6aefc1..782678e 100644
--- a/en-us/docs/user/demos/service-downgrade.html
+++ b/en-us/docs/user/demos/service-downgrade.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>You can temporarilly shield a non-critical service through the service downgrade and define the return policy for it.</p>
 <p>Publish dynamic configuration rule to the registry:</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/en-us/docs/user/demos/service-group.html b/en-us/docs/user/demos/service-group.html
index 3091d0b..06e2521 100644
--- a/en-us/docs/user/demos/service-group.html
+++ b/en-us/docs/user/demos/service-group.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>When you have multi-impls of a interface,you can distinguish them with the group.</p>
 <h2>Service</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">group</span>=<span class="hljs-string">"feedback"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.IndexService"</span> /&gt;</span>
diff --git a/en-us/docs/user/demos/static-service.html b/en-us/docs/user/demos/static-service.html
index 1b1b171..62705fa 100644
--- a/en-us/docs/user/demos/static-service.html
+++ b/en-us/docs/user/demos/static-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <ul>
 <li>Sometimes we want to manually manage the registration and deregistration for service provider, we need to set registry to non-dynamoic mode.</li>
 </ul>
diff --git a/en-us/docs/user/demos/stickiness.html b/en-us/docs/user/demos/stickiness.html
index 7d704ff..9d0a49d 100644
--- a/en-us/docs/user/demos/stickiness.html
+++ b/en-us/docs/user/demos/stickiness.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Sticky connections are used for stateful services, as much as possible so that clients always make calls to the same provider, unless the provider hangs up and connects to the other one.</p>
 <p>Sticky connections will automatically open <a href="./lazy-connect.md">Delayed Connections</a> to reduce the number of long connections.</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"xxxService"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.XxxService"</span> <span class="hljs-attr">sticky</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/en-us/docs/user/demos/subscribe-only.html b/en-us/docs/user/demos/subscribe-only.html
index 63464dd..381bc7f 100644
--- a/en-us/docs/user/demos/subscribe-only.html
+++ b/en-us/docs/user/demos/subscribe-only.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>To facilitate the development of tests, it is common to have a registry of all services available in develop environment.And the registration of a service provider under development may affect consumers' inability to run.</p>
 <p>You can let service provider developers only subscribe to services only (services developed may rely on other services) ,don't register services under development and testing services under development with directly connection.</p>
 <p><img src="../sources/images/subscribe-only.jpg" alt="/user-guide/images/subscribe-only.jpg"></p>
diff --git a/en-us/docs/user/demos/thread-model.html b/en-us/docs/user/demos/thread-model.html
index 17a92c9..ab77492 100644
--- a/en-us/docs/user/demos/thread-model.html
+++ b/en-us/docs/user/demos/thread-model.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Thread Model</h2>
 <ul>
 <li>If events handing can be executed quickly without sending new request like marking in memory. Events should be handled by I/O thread since it reduces thread dispatching.</li>
diff --git a/en-us/docs/user/demos/token-authorization.html b/en-us/docs/user/demos/token-authorization.html
index 68a8248..209d14a 100644
--- a/en-us/docs/user/demos/token-authorization.html
+++ b/en-us/docs/user/demos/token-authorization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Through the token authorization control center at the registry to decide whether to issue tokens to consumers, you can prevent consumers from bypassing the registry access provider, another through the registry can flexibly change the authorization without modification or upgrade provider</p>
 <p><img src="../sources/images/dubbo-token.jpg" alt="/user-guide/images/dubbo-token.jpg"></p>
 <p>You can turn on token authentication globally:</p>
diff --git a/en-us/docs/user/dependencies.html b/en-us/docs/user/dependencies.html
index 3d2f05e..166eecd 100644
--- a/en-us/docs/user/dependencies.html
+++ b/en-us/docs/user/dependencies.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Necessary dependencies</h2>
 <p>JDK 1.6+ <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>Default dependencies</h2>
diff --git a/en-us/docs/user/languages/erlang/reference.html b/en-us/docs/user/languages/erlang/reference.html
index 4080051..114b9c2 100644
--- a/en-us/docs/user/languages/erlang/reference.html
+++ b/en-us/docs/user/languages/erlang/reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Base Config</h2>
 <p>Consumer config is under the dubboerl application with sys.config</p>
 <pre><code class="language-erlang">{dubboerl,[
diff --git a/en-us/docs/user/languages/erlang/serialization.html b/en-us/docs/user/languages/erlang/serialization.html
index 990a853..f626906 100644
--- a/en-us/docs/user/languages/erlang/serialization.html
+++ b/en-us/docs/user/languages/erlang/serialization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The library now only supports hessian and json serialization.</p>
 <h2>Configuration example</h2>
 <p>Protocol config is under the dubboerl application with sys.config</p>
diff --git a/en-us/docs/user/languages/erlang/service.html b/en-us/docs/user/languages/erlang/service.html
index b82d99b..975ec82 100644
--- a/en-us/docs/user/languages/erlang/service.html
+++ b/en-us/docs/user/languages/erlang/service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Base Config</h2>
 <p>Provider config is under the dubboerl application with sys.config</p>
 <pre><code class="language-erlang">{dubboerl,[
diff --git a/en-us/docs/user/languages/erlang/start.html b/en-us/docs/user/languages/erlang/start.html
index acbd6fe..373991f 100644
--- a/en-us/docs/user/languages/erlang/start.html
+++ b/en-us/docs/user/languages/erlang/start.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>We recommend using java to define the Dubbo interface. And use <a href="https://github.com/apache/dubbo-erlang/tree/master/tools/erlanalysis">erlanalysis</a>
 tool parse java interface transfer to erlang lib.</p>
 <h2>Import Dependency Lib</h2>
diff --git a/en-us/docs/user/maturity.html b/en-us/docs/user/maturity.html
index 2a2459c..05f022f 100644
--- a/en-us/docs/user/maturity.html
+++ b/en-us/docs/user/maturity.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Function maturity</h2>
 <table>
 <thead>
diff --git a/en-us/docs/user/perf-test.html b/en-us/docs/user/perf-test.html
index 37dff8f..e1c58e3 100644
--- a/en-us/docs/user/perf-test.html
+++ b/en-us/docs/user/perf-test.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Test instructions</h2>
 <ol start="0">
 <li>In this performance test, the performance of all Dubbo 2.0 supported protocols in different sizes and data types is tested and compared with the Dubbo 1.0.</li>
diff --git a/en-us/docs/user/preface/architecture.html b/en-us/docs/user/preface/architecture.html
index cbe05b9..1748676 100644
--- a/en-us/docs/user/preface/architecture.html
+++ b/en-us/docs/user/preface/architecture.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><img src="../sources/images/dubbo-architecture.jpg" alt="dubbo-architucture"></p>
 <h5>Specification of Node's Role</h5>
 <table>
diff --git a/en-us/docs/user/preface/background.html b/en-us/docs/user/preface/background.html
index 6f7b2e5..564228a 100644
--- a/en-us/docs/user/preface/background.html
+++ b/en-us/docs/user/preface/background.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>With the fast development of Internet, the scale of web applications expands unceasingly, and finally we find that the traditional vertical architecture(monolithic) can not handle this any more. Distributed service architecture and the flow computing architecture are imperative, and a governance system is urgently needed to ensure an orderly evolution of the architecture.</p>
 <p><img src="../sources/images/dubbo-architecture-roadmap.jpg" alt="image"></p>
 <h4>Monolithic architecture</h4>
diff --git a/en-us/docs/user/preface/index.html b/en-us/docs/user/preface/index.html
index 7df3ea8..b9e858d 100644
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+++ b/en-us/docs/user/preface/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/en-us/docs/user/preface/requirements.html b/en-us/docs/user/preface/requirements.html
index 45622ce..222978a 100644
--- a/en-us/docs/user/preface/requirements.html
+++ b/en-us/docs/user/preface/requirements.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><img src="../sources/images/dubbo-service-governance.jpg" alt="image"></p>
 <p>Before the advent of large-scare services, an application might just exposes or references remote service by using RMI or Hessian, the call is done by configuring service URL, and load balance is done through hardwares, like F5.</p>
 <p><strong>When there are more and more services, it becomes very difficult to configure the service URL, the single point pressure of F5 hardware load balancer is also increasing.</strong> At this point, a service registry is needed to dynamically register and discover services to make the service's location transparent. By obtaining the list of service provider addresses in the consumer side, the soft load balancing and Failover can be realized, this reduces the dependence on the F5 ha [...]
diff --git a/en-us/docs/user/preface/usage.html b/en-us/docs/user/preface/usage.html
index c9c8423..32bfea8 100644
--- a/en-us/docs/user/preface/usage.html
+++ b/en-us/docs/user/preface/usage.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Spring configuration of local service</h2>
 <p>local.xml:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">bean</span> <span class="hljs-attr">id</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">class</span>=<span class="hljs-string">“com.xxx.XxxServiceImpl”</span> /&gt;</span>
diff --git a/en-us/docs/user/quick-start.html b/en-us/docs/user/quick-start.html
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--- a/en-us/docs/user/quick-start.html
+++ b/en-us/docs/user/quick-start.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The most common way to use Dubbo is to run it in Spring framework. The following content will guide you to develop a Dubbo application with Spring framework's <a href="https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/xsd-configuration.html">XML configuration</a>.</p>
 <p>If you don't want to rely on Spring, you can try using <a href="./configuration/api.md">API configuration</a>.</p>
 <p>First let's create a root directory called dubbo-demo:</p>
diff --git a/en-us/docs/user/recommend.html b/en-us/docs/user/recommend.html
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--- a/en-us/docs/user/recommend.html
+++ b/en-us/docs/user/recommend.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Configuring the attributes of the consumer side as much as possible on the provider side</h2>
 <p>the reason is:</p>
 <ul>
diff --git a/en-us/docs/user/references/api.html b/en-us/docs/user/references/api.html
index bb3c18a..8239160 100644
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+++ b/en-us/docs/user/references/api.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Generally speaking, dubbo keeps its functionality no intrusive as much as possible, but for some particular features, there's no other way not only API can achieve. <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p>These APIs are summarized here below:</p>
 <h2>Configuration API</h2>
diff --git a/en-us/docs/user/references/maven.html b/en-us/docs/user/references/maven.html
index ff15a54..cd69fd6 100644
--- a/en-us/docs/user/references/maven.html
+++ b/en-us/docs/user/references/maven.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <h2>Start a simple registry server</h2>
 <p>Start a simple registry server listening on port 9099 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:</p>
 <pre><code class="language-sh">mvn dubbo:registry -Dport=9099 
diff --git a/en-us/docs/user/references/protocol/dubbo.html b/en-us/docs/user/references/protocol/dubbo.html
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+++ b/en-us/docs/user/references/protocol/dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo protocol which is the default protocol of Dubbo RPC Framework uses a single long connection and NIO asynchronous communication,it is suitable for small data but with high concurrency RPC call and the number of consumer machine is much greater than provider</p>
 <p>On the other hand, the Dubbo protocol is not suitable for transmitting large amounts of data, such as file transmission, video transmission, etc., unless the request is very low.</p>
 <p><img src="../../sources/images/dubbo-protocol.jpg" alt="dubbo-protocol.jpg"></p>
diff --git a/en-us/docs/user/references/protocol/hessian.html b/en-us/docs/user/references/protocol/hessian.html
index a4e4e3f..06b3ede 100644
--- a/en-us/docs/user/references/protocol/hessian.html
+++ b/en-us/docs/user/references/protocol/hessian.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Hessian protocol is used for integrate Hessian services, and it use http protocol to  communicate and expose services by servlet.Dubbo use Jetty server as default servlet container.</p>
 <p>Dubbo's Hessian protocol interoperates with native Hessian services:</p>
 <ul>
diff --git a/en-us/docs/user/references/protocol/http.html b/en-us/docs/user/references/protocol/http.html
index 5fd9463..5809ea9 100644
--- a/en-us/docs/user/references/protocol/http.html
+++ b/en-us/docs/user/references/protocol/http.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo http protocol is base on HTTP form and Spring's HttpInvoker</p>
 <h2>Features</h2>
 <ul>
diff --git a/en-us/docs/user/references/protocol/introduction.html b/en-us/docs/user/references/protocol/introduction.html
index 0b09ad2..c6487c7 100644
--- a/en-us/docs/user/references/protocol/introduction.html
+++ b/en-us/docs/user/references/protocol/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Dubbo protocol is recommended. The performance of each protocol, see:<a href="../../perf-test.md">Performance</a></p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/user/references/protocol/memcached.html b/en-us/docs/user/references/protocol/memcached.html
index 55048aa..207bff8 100644
--- a/en-us/docs/user/references/protocol/memcached.html
+++ b/en-us/docs/user/references/protocol/memcached.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>RPC protocol based on memcached implementation.</p>
 <h2>Register memcached service address</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/en-us/docs/user/references/protocol/redis.html b/en-us/docs/user/references/protocol/redis.html
index 6eb96e2..824da54 100644
--- a/en-us/docs/user/references/protocol/redis.html
+++ b/en-us/docs/user/references/protocol/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>RPC protocol based on memcached implementation.</p>
 <h2>Register redis service address</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/en-us/docs/user/references/protocol/rest.html b/en-us/docs/user/references/protocol/rest.html
index 93f93b5..e989d55 100644
--- a/en-us/docs/user/references/protocol/rest.html
+++ b/en-us/docs/user/references/protocol/rest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>基于标准的Java REST API——JAX-RS 2.0(Java API for RESTful Web Services的简写)实现的REST调用支持</p>
 <h2>快速入门</h2>
 <p>在dubbo中开发一个REST风格的服务会比较简单,下面以一个注册用户的简单服务为例说明。</p>
diff --git a/en-us/docs/user/references/protocol/rmi.html b/en-us/docs/user/references/protocol/rmi.html
index d110f06..725b558 100644
--- a/en-us/docs/user/references/protocol/rmi.html
+++ b/en-us/docs/user/references/protocol/rmi.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The RMI protocol uses the JDK standard <code>java.rmi.*</code> Implementation, using a block short connection and JDK standard serialization.</p>
 <h2>Features</h2>
 <ul>
diff --git a/en-us/docs/user/references/protocol/thrift.html b/en-us/docs/user/references/protocol/thrift.html
index 6309d83..9022a20 100644
--- a/en-us/docs/user/references/protocol/thrift.html
+++ b/en-us/docs/user/references/protocol/thrift.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The current dubbo support thrift protocol is an extension of the thrift native protocol, adding some additional header information to the native protocol, such as service name, magic number, and so on.</p>
 <p>The use of dubbo thrift protocol also need to use thrift idl compiler to generate the corresponding java code, follow-up version will do some enhancement in this aspect.</p>
 <h2>dependency</h2>
diff --git a/en-us/docs/user/references/protocol/webservice.html b/en-us/docs/user/references/protocol/webservice.html
index ea5d495..5590521 100644
--- a/en-us/docs/user/references/protocol/webservice.html
+++ b/en-us/docs/user/references/protocol/webservice.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>WebService-based remote calling protocol,base on <a href="http://cxf.apache.org">Apache CXF</a>  <code>frontend-simple</code> and  <code>transports-http</code> implements。</p>
 <p>Interoperable with native WebService services:</p>
 <ul>
diff --git a/en-us/docs/user/references/qos.html b/en-us/docs/user/references/qos.html
index 22044c4..ac0e61d 100644
--- a/en-us/docs/user/references/qos.html
+++ b/en-us/docs/user/references/qos.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>In dubbo <code>2.5.8</code> a new QOS module is introduced, to provide new telnet command support.</p>
 <h2>Port</h2>
 <p>the port of new version telnet is different from the port of dubbo protocol. The default port is <code>22222</code>, which can be changed by modifying configuration file <code>dubbo.properties</code></p>
diff --git a/en-us/docs/user/references/registry/introduction.html b/en-us/docs/user/references/registry/introduction.html
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--- a/en-us/docs/user/references/registry/introduction.html
+++ b/en-us/docs/user/references/registry/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>It is recommended to use <a href="./zookeeper.md">zookeeper registry server</a></p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">Foundation</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">License</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">Events [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/en-us/docs/user/references/registry/multicast.html b/en-us/docs/user/references/registry/multicast.html
index 3f0111d..69267c0 100644
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+++ b/en-us/docs/user/references/registry/multicast.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Multicast registry doesn't require to setup any central node. Just like IP address broadcast, dubbo service providers and consumers can discover each other through this mechanism.</p>
 <p><img src="../../sources/images/multicast.jpg" alt="/user-guide/images/multicast.jpg"></p>
 <ol start="0">
diff --git a/en-us/docs/user/references/registry/nacos.html b/en-us/docs/user/references/registry/nacos.html
index 8f743b3..7cff99d 100644
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 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Nacos is a very important registry center for Dubbo ecosystem, <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> is the implementation of Nacos integration to Nacos.</p>
 <h2>Prepare Work</h2>
 <p>When you integrate <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> into your Dubbo project, please Make sure the Nacos service is started in the background. If you are not familiar with the basic use of Nacos, you can refer to <a href="https://nacos.io/en-us/docs/quick-start.html">Nacos Quick Start</a>. It is recommended to use the version equal or above Nacos <code>1.0.0</code>.</p>
diff --git a/en-us/docs/user/references/registry/redis.html b/en-us/docs/user/references/registry/redis.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>It is a registry server implementation <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> based on redis <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <p><img src="../../sources/images/dubbo-redis-registry.jpg" alt="/user-guide/images/dubbo-redis-registry.jpg"></p>
 <p>Use key/map structure in redis to save the registration info:</p>
diff --git a/en-us/docs/user/references/registry/simple.html b/en-us/docs/user/references/registry/simple.html
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+++ b/en-us/docs/user/references/registry/simple.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Simple registry server itself is a regular dubbo service. In this way, third-party dependency is unnecessary, and communication keeps consistent at the same moment.</p>
 <h2>Configuration</h2>
 <p>Register simple registry server as dubbo service:</p>
diff --git a/en-us/docs/user/references/registry/zookeeper.html b/en-us/docs/user/references/registry/zookeeper.html
index 3c9873b..b8a2cd5 100644
--- a/en-us/docs/user/references/registry/zookeeper.html
+++ b/en-us/docs/user/references/registry/zookeeper.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><a href="http://zookeeper.apache.org">Zookeeper</a> is the child project of apache hadoop. Since it offers tree-like directory service and supports change notification, it's suitable to use it as dubbo's registry server. It's a field-proven product, therefore it's recommended to use it in the production environment. <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../../sources/images/zookeeper.jpg" alt="/user-guide/images/zookeeper.jpg"></p>
 <p>Description on registration procedure:</p>
diff --git a/en-us/docs/user/references/telnet.html b/en-us/docs/user/references/telnet.html
index dc17fc8..90098fe 100644
--- a/en-us/docs/user/references/telnet.html
+++ b/en-us/docs/user/references/telnet.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Since <code>2.0.5</code> dubbo starts supporting to use telnet command to govern services.</p>
 <h2>How To Use</h2>
 <pre><code class="language-sh">telnet localhost 20880
diff --git a/en-us/docs/user/references/xml/dubbo-application.html b/en-us/docs/user/references/xml/dubbo-application.html
index 0374423..0d9fb80 100644
--- a/en-us/docs/user/references/xml/dubbo-application.html
+++ b/en-us/docs/user/references/xml/dubbo-application.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Application configuration. The corresponding class: <code>org.apache.dubbo.config.ApplicationConfig</code></p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-argument.html b/en-us/docs/user/references/xml/dubbo-argument.html
index 3f0bb29..a1ac092 100644
--- a/en-us/docs/user/references/xml/dubbo-argument.html
+++ b/en-us/docs/user/references/xml/dubbo-argument.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Method argument configuration. The corresponding class:<code>org.apache.dubbo.config.ArgumentConfig</code>. This tag is child of <code>&lt;dubbo:method&gt;</code>, which is for feature description of method argument, such as:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findXxx"</span> <span class="hljs-attr">timeout</span>=<span class="hljs-string">"3000"</span> <span class="hljs-attr">retries</span>=<span class="hljs-string">"2"</span>&gt;</span>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:argument</span> <span class="hljs-attr">index</span>=<span class="hljs-string">"0"</span> <span class="hljs-attr">callback</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/en-us/docs/user/references/xml/dubbo-consumer.html b/en-us/docs/user/references/xml/dubbo-consumer.html
index 6e51f67..29406e2 100644
--- a/en-us/docs/user/references/xml/dubbo-consumer.html
+++ b/en-us/docs/user/references/xml/dubbo-consumer.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Consumer default configuration. The corresponding clas: <code>org.apache.dubbo.config.ConsumerConfig</code>. It is also default configuration of <code>&lt;dubbo:reference&gt;</code>.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-method.html b/en-us/docs/user/references/xml/dubbo-method.html
index e1643f2..63ac8b3 100644
--- a/en-us/docs/user/references/xml/dubbo-method.html
+++ b/en-us/docs/user/references/xml/dubbo-method.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Method level configuration. The corresponding class: <code>org.apache.dubbo.config.MethodConfig</code>. This tag is a child tag of <code>&lt;dubbo:service&gt;</code> or <code>&lt;dubbo:reference&gt;</code>, for accuracy to method level.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-module.html b/en-us/docs/user/references/xml/dubbo-module.html
index ca87180..57121cc 100644
--- a/en-us/docs/user/references/xml/dubbo-module.html
+++ b/en-us/docs/user/references/xml/dubbo-module.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Module configuration. The corresponding class <code>org.apache.dubbo.config.ModuleConfig</code></p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-monitor.html b/en-us/docs/user/references/xml/dubbo-monitor.html
index e0e089e..bc7618d 100644
--- a/en-us/docs/user/references/xml/dubbo-monitor.html
+++ b/en-us/docs/user/references/xml/dubbo-monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Monitor center configuration. The corresponding class: <code>org.apache.dubbo.config.MonitorConfig</code></p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-parameter.html b/en-us/docs/user/references/xml/dubbo-parameter.html
index 9cd0eca..4d81f9d 100644
--- a/en-us/docs/user/references/xml/dubbo-parameter.html
+++ b/en-us/docs/user/references/xml/dubbo-parameter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Optional parameter configuration. The corresponding class is <code>java.util.Map</code>. This tag is used as a sub tag to configure custom parameters for extending <code>&lt;dubbo:protocol&gt;</code>, <code>&lt;dubbo:service&gt;</code>, <code>&lt;dubbo:provider&gt;</code>, <code>&lt;dubbo:reference&gt;</code> or <code>&lt;dubbo:consumer&gt;</code>.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-protocol.html b/en-us/docs/user/references/xml/dubbo-protocol.html
index 06ded3d..5012aa5 100644
--- a/en-us/docs/user/references/xml/dubbo-protocol.html
+++ b/en-us/docs/user/references/xml/dubbo-protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>Service provider protocol configuration. The corresponding class is <code>org.apache.dubbo.config.ProtocolConfig</code>. If you need to support multiple protocols, you could declare multiple <code>&lt;dubbo:protocol&gt;</code> tags, and specify the protocol via <code>protocol</code> property.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-provider.html b/en-us/docs/user/references/xml/dubbo-provider.html
index 1442e5e..2b08c70 100644
--- a/en-us/docs/user/references/xml/dubbo-provider.html
+++ b/en-us/docs/user/references/xml/dubbo-provider.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The default configuration of service provider. The corresponding class is <code>org.apache.dubbo.config.ProviderConfig</code>. This tag provider default values for <code>&lt;dubbo:service&gt;</code> and <code>&lt;dubbo:protocol&gt;</code>.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-reference.html b/en-us/docs/user/references/xml/dubbo-reference.html
index 8d69630..5e2044a 100644
--- a/en-us/docs/user/references/xml/dubbo-reference.html
+++ b/en-us/docs/user/references/xml/dubbo-reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The configuration of service consumer. The corresponding class is<code>org.apache.dubbo.config.ReferenceConfig</code></p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-registry.html b/en-us/docs/user/references/xml/dubbo-registry.html
index 57f0439..db685e3 100644
--- a/en-us/docs/user/references/xml/dubbo-registry.html
+++ b/en-us/docs/user/references/xml/dubbo-registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The configuration of the registry center. The corresponding class is <code>org.apache.dubbo.config.RegistryConfig</code>. If you have multiple different registries, you can declare multiple <code>&lt;dubbo:registry&gt;</code> tags, and then reference specified registry with <code>registry</code> property in <code>&lt;dubbo:service&gt;</code> or <code>&lt;dubbo:reference&gt;</code> tag.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/dubbo-service.html b/en-us/docs/user/references/xml/dubbo-service.html
index 6fee31b..c97ebb6 100644
--- a/en-us/docs/user/references/xml/dubbo-service.html
+++ b/en-us/docs/user/references/xml/dubbo-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The configuration of the service provider. The corresponding class is <code>org.apache.dubbo.config.ServiceConfig</code>.</p>
 <table>
 <thead>
diff --git a/en-us/docs/user/references/xml/introduction.html b/en-us/docs/user/references/xml/introduction.html
index 10ef641..14c47f0 100644
--- a/en-us/docs/user/references/xml/introduction.html
+++ b/en-us/docs/user/references/xml/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p>The following pages show all the configuration properties <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> with XML Config <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> as an example.  For other configurations, please reference: <a href="../../configuration/properties.md">Properties Configuration</a>, <a href="../../configuration/annotation.md">Annotation Configuration</a>, <a href="../../configuration/api.md">API Configuration</a>.</p>
 <p>All configuration properties fall into three categories, see the &quot;Function&quot; in the table below.</p>
 <ul>
diff --git a/en-us/docs/user/rest.html b/en-us/docs/user/rest.html
index 88a7d41..3ad249f 100644
--- a/en-us/docs/user/rest.html
+++ b/en-us/docs/user/rest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><strong>Original author: Li Shen</strong></p>
 <p><strong>Document copyright: <a href="HTTP://www.apache.org/licenses/LICENSE-2.0">Apache 2.0license Signature - No interpretation</a></strong></p>
 <p>Working in progress ...</p>
diff --git a/en-us/docs/user/simple-monitor.html b/en-us/docs/user/simple-monitor.html
index c56df2d..9978d83 100644
--- a/en-us/docs/user/simple-monitor.html
+++ b/en-us/docs/user/simple-monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a  [...]
 <p><img src="sources/images/check.gif" alt="warning">Monitor service is a standard Dubbo service,can be exported to the registry,also can be connected straightly。</p>
 </blockquote>
 <blockquote>
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diff --git a/en-us/index.html b/en-us/index.html
index aab90b7..333b78c 100644
--- a/en-us/index.html
+++ b/en-us/index.html
@@ -12,7 +12,7 @@
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-	<div id="root"><div class="home-page" data-reactroot=""><section class="top-section"><header class="header-container header-container-primary"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_white.png"/></a><div class="search search-primary"><span class="icon-search"></span></div><span class="language-switch language-switch-primary">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_white.png"/><ul><li class="menu-item  [...]
+	<div id="root"><div class="home-page" data-reactroot=""><section class="top-section"><header class="header-container header-container-primary"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/img/dubbo_white.png"/></a><div class="search search-primary"><span class="icon-search"></span></div><span class="language-switch language-switch-primary">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_white.png"/><ul><li class="menu-item  [...]
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diff --git a/img/ecology/zipkin.svg b/img/ecology/zipkin.svg
new file mode 100644
index 0000000..cd9a5f7
--- /dev/null
+++ b/img/ecology/zipkin.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" role="img" viewBox="-2.61 -2.61 889.72 543.22"><title>Zipkin logo</title><style>svg {fill-rule:evenodd;clip-rule:evenodd}</style><g transform="translate(-147.142 -489.518) scale(1.97717)"><clipPath id="a"><path d="M297.97 254.996c-24.502.001-44.363 19.862-44.363 44.364.012 18.531 11.545 35.102 28.916 41.556v5.675l5.736 5.741-.659 41.828-149.649-.094c-2.371-.006-4.424-1.733-4.424-1.733-2.243-2.267 1.512-11.638 1.512-11.638l2.829-6.035c1.343-3.006 1. [...]
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diff --git a/md_json/blog.json b/md_json/blog.json
index 6cfad96..b294233 100644
--- a/md_json/blog.json
+++ b/md_json/blog.json
@@ -717,6 +717,15 @@
       }
     },
     {
+      "filename": "rpc-introduction.md",
+      "link": "/zh-cn/blog/rpc-introduction.html",
+      "meta": {
+        "title": "浅谈 RPC",
+        "keywords": "RPC, Dubbo, Spring Cloud",
+        "description": "RPC-远程过程调用,它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。"
+      }
+    },
+    {
       "filename": "sentinel-introduction-for-dubbo.md",
       "link": "/zh-cn/blog/sentinel-introduction-for-dubbo.html",
       "meta": {
diff --git a/md_json/docs.json b/md_json/docs.json
index 0c4495a..18c1f66 100644
--- a/md_json/docs.json
+++ b/md_json/docs.json
@@ -483,6 +483,11 @@
       "meta": {}
     },
     {
+      "filename": "async-call-deprecated.md",
+      "link": "/en-us/docs/user/demos/async-call-deprecated.html",
+      "meta": {}
+    },
+    {
       "filename": "async-call.md",
       "link": "/en-us/docs/user/demos/async-call.html",
       "meta": {}
diff --git a/zh-cn/blog/apachecon-na-2018.html b/zh-cn/blog/apachecon-na-2018.html
index a4304cc..d3d6508 100644
--- a/zh-cn/blog/apachecon-na-2018.html
+++ b/zh-cn/blog/apachecon-na-2018.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>罗毅/刘军将在蒙特利尔举办的 ApacheCon 大会上进行题为&quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot;的演讲。请点击<a href="https://apachecon.dukecon.org/acna/2018/#/scheduledEvent/b8db9dc580d85853f">此处</a>查看大会议程,并在<a href="https://www.eventbrite.com/e/apachecon-north-america-2018-registration-43200327342">此处</a>中进行注册。</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a href=" [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/blog/build-new-docker-image-in-dockerhub.html b/zh-cn/blog/build-new-docker-image-in-dockerhub.html
index eba6197..c11b98b 100644
--- a/zh-cn/blog/build-new-docker-image-in-dockerhub.html
+++ b/zh-cn/blog/build-new-docker-image-in-dockerhub.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>Dubbo Admin是Dubbo的服务治理中心,提供了大量日常运维所需的服务治理、配置管理等功能。</p>
 <p>Dubbo Admin同时包含了前端代码和后端代码,如果用户需要自己下载源码并编译打包,需要花费一定时间。
 特别是对于一些希望快速调研和试用Dubbo Admin的用户,这种流程的体验并不是很好。</p>
diff --git a/zh-cn/blog/download.html b/zh-cn/blog/download.html
index fe10f11..5099b0a 100644
--- a/zh-cn/blog/download.html
+++ b/zh-cn/blog/download.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>验证</h2>
 <p>可以按照这里的<a href="https://www.apache.org/info/verification">步骤</a>, 利用<a href="https://www.apache.org/dist/incubator/dubbo/KEYS">KEYS</a>文件来验证下载。</p>
 <h2>Apache Dubbo</h2>
diff --git a/zh-cn/blog/dubbo-101.html b/zh-cn/blog/dubbo-101.html
index 12b0657..e908ba3 100644
--- a/zh-cn/blog/dubbo-101.html
+++ b/zh-cn/blog/dubbo-101.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>Java RMI 简介</h2>
 <p>Java RMI (Remote Method Invocation)- 远程方法调用,能够让客户端像使用本地调用一样调用服务端 Java 虚拟机中的对象方法。RMI 是面向对象语言领域对 RPC (Remote Procedure Call)的完善,用户无需依靠 IDL 的帮助来完成分布式调用,而是通过依赖接口这种更简单自然的方式。</p>
 <h3>Java RMI 工作原理</h3>
diff --git a/zh-cn/blog/dubbo-27-features.html b/zh-cn/blog/dubbo-27-features.html
index 5822c09..b4d3324 100644
--- a/zh-cn/blog/dubbo-27-features.html
+++ b/zh-cn/blog/dubbo-27-features.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>1 背景介绍</h2>
 <p>自 2017 年 7 月阿里重启 Dubbo 开源,到目前为止 github star 数,contributor 数都有了非常大的提升。2018 年 2 月 9 日阿里决定将 Dubbo 项目贡献给 Apache,经过一周的投票,顺利成为了 Apache 的孵化项目,也就是大家现在看到的 <strong>Incubator Dubbo</strong>。预计在 2019 年 4 月,Dubbo 可以达成毕业,成为 Apache 的顶级项目。</p>
 <h2>2 分支介绍</h2>
diff --git a/zh-cn/blog/dubbo-admin.html b/zh-cn/blog/dubbo-admin.html
index 0c8cc4c..ab2d2cd 100644
--- a/zh-cn/blog/dubbo-admin.html
+++ b/zh-cn/blog/dubbo-admin.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <pre><code>Demo地址:http://47.91.207.147/#/service  
 github: https://github.com/apache/dubbo-ops
 </code></pre>
diff --git a/zh-cn/blog/dubbo-annotation-driven.html b/zh-cn/blog/dubbo-annotation-driven.html
index 8029eb9..b48a885 100644
--- a/zh-cn/blog/dubbo-annotation-driven.html
+++ b/zh-cn/blog/dubbo-annotation-driven.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>注解驱动(Annotation-Driven)</h2>
 <h3><code>@DubboComponentScan</code></h3>
 <h4>起始版本: <code>2.5.7</code></h4>
diff --git a/zh-cn/blog/dubbo-annotation.html b/zh-cn/blog/dubbo-annotation.html
index 4012d2d..ea13f05 100644
--- a/zh-cn/blog/dubbo-annotation.html
+++ b/zh-cn/blog/dubbo-annotation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>随着微服务架构的广泛地推广和实施。在 Java 生态系统中,以 Spring Boot 和 Spring Cloud 为代表的微服务框架,引入了全新的编程模型,包括:</p>
 <ul>
 <li>注解驱动(Annotation-Driven)</li>
diff --git a/zh-cn/blog/dubbo-basic-usage-dubbo-consumer-configuration.html b/zh-cn/blog/dubbo-basic-usage-dubbo-consumer-configuration.html
index d943e9b..8b1d614 100644
--- a/zh-cn/blog/dubbo-basic-usage-dubbo-consumer-configuration.html
+++ b/zh-cn/blog/dubbo-basic-usage-dubbo-consumer-configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>Dubbo Consumer配置</h2>
 <h3>Consumer配置详解</h3>
 <p>配置Dubbo Consumer有3种方式:XML配置,API调用方式配置,注解方式配置。</p>
diff --git a/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html b/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
index ac11cbc..0e64304 100644
--- a/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
+++ b/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>Dubbo基本用法</h2>
 <p>本章节主要讲述如何配置dubbo,按照配置方式上分,可以分为:XML配置,properties方式配置,注解方式配置,API调用方式配置。
 按照功能角度进行划分,可以分为Dubbo Provider和Dubbo Consumer。接下来章节中,分别对dubbo provider和Dubbo consumer进行讲解。</p>
diff --git a/zh-cn/blog/dubbo-cluster-error-handling.html b/zh-cn/blog/dubbo-cluster-error-handling.html
index 31456a5..5c4cab7 100644
--- a/zh-cn/blog/dubbo-cluster-error-handling.html
+++ b/zh-cn/blog/dubbo-cluster-error-handling.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>在分布式系统中,集群某个某些节点出现问题是大概率事件,因此在设计分布式RPC框架的过程中,必须要把失败作为设计的一等公民来对待。一次调用失败之后,应该如何选择对失败的选择策略,这是一个见仁见智的问题,每种策略可能都有自己独特的应用场景。因此,作为框架来说,应当针对不同场景提供多种策略,供用户进行选择。</p>
 <p>在Dubbo设计中,通过Cluster这个接口的抽象,把一组可供调用的Provider信息组合成为一个统一的<code>Invoker</code>供调用方进行调用。经过路由规则过滤,负载均衡选址后,选中一个具体地址进行调用,如果调用失败,则会按照集群配置的容错策略进行容错处理。</p>
 <p>Dubbo默认内置了若干容错策略,如果不能满足用户需求,则可以通过自定义容错策略进行配置。</p>
diff --git a/zh-cn/blog/dubbo-compatible.html b/zh-cn/blog/dubbo-compatible.html
index 72661b1..8b8f5b4 100644
--- a/zh-cn/blog/dubbo-compatible.html
+++ b/zh-cn/blog/dubbo-compatible.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>Dubbo至加入Apache孵化器以来,一个很强的诉求就是需要rename groupId和package name,这两项工作在项目毕业前需要完成。其中rename package相对来说复杂一些,除了要修改所有类的包名为<code>org.apache.dubbo</code>外,更多的是需要考虑如何老版本的兼容性。</p>
 <p>常见的兼容性包括但不限于以下几种情况:</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-context-information.html b/zh-cn/blog/dubbo-context-information.html
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+++ b/zh-cn/blog/dubbo-context-information.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>简介</h2>
 <p>上下文信息是一次 RPC 调用过程中附带的环境信息,如方法名、参数类型、真实参数、本端/对端地址等。这些数据仅属于一次调用,作用于 Consumer 到 Provider 调用的整个流程。</p>
 <p>提供上下文信息是 RPC 框架很重要的一个功能,使用上下文不仅可以为单次调用指定不同配置,还能在此基础上提供强大的上层功能,如分布式链路追踪。其实现原理就是在上下文中维护一个<code>span_id</code>,Consumer 和 Provider 通过传递<code>span_id</code>来连接一次RPC调用,分别上报日志后可以在追踪系统中串联并展示完整的调用流程。这样可以更方便地发现异常,定位问题。</p>
diff --git a/zh-cn/blog/dubbo-contribute-to-opensource.html b/zh-cn/blog/dubbo-contribute-to-opensource.html
index 1f6b70e..0c1b1de 100644
--- a/zh-cn/blog/dubbo-contribute-to-opensource.html
+++ b/zh-cn/blog/dubbo-contribute-to-opensource.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>Github 上有众多优秀的开源项目,大多数 IT 从业者将其当做了予取予求的工具库,遇到什么需求,先去 Github 搜一把,但有没有想过有一天自己也可以给开源事业做一些贡献呢?本文将会以 dubbo 项目为例,向你阐释,给开源项目做贡献并不是一件难事。</p>
 <h2>1 为何要给开源贡献力量</h2>
 <p>为开源项目做贡献得到的收益是多方面的,为了让你有足够的信心加入到开源项目中,我在文章最开始列举出它的诸多好处。</p>
diff --git a/zh-cn/blog/dubbo-copywriting-style.html b/zh-cn/blog/dubbo-copywriting-style.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>[TOC]</p>
 <h2>空格</h2>
 <p>「有研究显示,打字的时候不喜欢在中文和英文之间加空格的人,感情路都走得很辛苦,有七成的比例会在 34 岁的时候跟自己不爱的人结婚,而其余三成的人最后只能把遗产留给自己的猫。毕竟爱情跟书写都需要适时地留白。与大家共勉之。」—— <a href="https://github.com/vinta/pangu.js">vinta/paranoid-auto-spacing</a></p>
diff --git a/zh-cn/blog/dubbo-echo-test.html b/zh-cn/blog/dubbo-echo-test.html
index fd434e8..3ecbf34 100644
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+++ b/zh-cn/blog/dubbo-echo-test.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>回声测试用于检测服务是否可用。客户端通过 EchoService 来使用回声测试。EchoService 申明如下:</p>
 <pre><code class="language-Java"><span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">EchoService</span> </span>{
 
diff --git a/zh-cn/blog/dubbo-externalized-configuration.html b/zh-cn/blog/dubbo-externalized-configuration.html
index 1e6d4dd..31a602d 100644
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+++ b/zh-cn/blog/dubbo-externalized-configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>外部化配置(External Configuration)</h2>
 <p>在<a href="Dubbo-Annotation-Driven.md">Dubbo 注解驱动</a>例子中,无论是服务提供方,还是服务消费方,均需要转配相关配置Bean:</p>
 <pre><code class="language-java">    <span class="hljs-meta">@Bean</span>
diff --git a/zh-cn/blog/dubbo-fescar.html b/zh-cn/blog/dubbo-fescar.html
index c1bbead..eb3b2b3 100644
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+++ b/zh-cn/blog/dubbo-fescar.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>案例</h2>
 <p>用户采购商品业务,整个业务包含3个微服务:</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-generic-invoke.html b/zh-cn/blog/dubbo-generic-invoke.html
index 6e68b91..71b9439 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>以下几种场景可以考虑使用泛化调用:</p>
 <ul>
 <li>服务测试平台</li>
diff --git a/zh-cn/blog/dubbo-gracefully-shutdown.html b/zh-cn/blog/dubbo-gracefully-shutdown.html
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>背景</h2>
 <p>对于任何一个线上应用,如何在服务更新部署过程中保证客户端无感知是开发者必须要解决的问题,即从应用停止到重启恢复服务这个阶段不能影响正常的业务请求。理想条件下,在没有请求的时候再进行更新是最安全可靠的,然而互联网应用必须要保证可用性,因此在技术层面上优化应用更新流程来保证服务在更新时无损是必要的。</p>
 <p>传统的解决方式是通过将应用更新流程划分为手工摘流量、停应用、更新重启三个步骤,由人工操作实现客户端无对更新感知。这种方式简单而有效,但是限制较多:不仅需要使用借助网关的支持来摘流量,还需要在停应用前人工判断来保证在途请求已经处理完毕。这种需要人工介入的方式运维复杂度较高,只能适用规模较小的应用,无法在大规模系统上使用。</p>
diff --git a/zh-cn/blog/dubbo-heartbeat-design.html b/zh-cn/blog/dubbo-heartbeat-design.html
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 </head>
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+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h3>1 前言</h3>
 <p>设计一个好的心跳机制并不是一件容易的事,就我所熟知的几个 RPC 框架,它们的心跳机制可以说大相径庭,这篇文章我将探讨一下<strong>如何设计一个优雅的心跳机制,主要从 Dubbo 的现有方案以及一个改进方案来做分析</strong>。</p>
 <h3>2 预备知识</h3>
diff --git a/zh-cn/blog/dubbo-integrate-with-hystrix.html b/zh-cn/blog/dubbo-integrate-with-hystrix.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>背景</h2>
 <p>Hystrix 旨在通过控制那些访问远程系统、服务和第三方库的节点,从而对延迟和故障提供更强大的容错能力。Hystrix具备拥有回退机制和断路器功能的线程和信号隔离,请求缓存和请求打包,以及监控和配置等功能。</p>
 <p>Dubbo是Alibaba开源的,目前国内最流行的java rpc框架。</p>
diff --git a/zh-cn/blog/dubbo-invoke.html b/zh-cn/blog/dubbo-invoke.html
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 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>我们知道,Dubbo 缺省协议采用单一长连接,底层实现是 Netty 的 NIO 异步通讯机制;基于这种机制,Dubbo 实现了以下几种调用方式:</p>
 <ul>
 <li>同步调用</li>
diff --git a/zh-cn/blog/dubbo-k8s.html b/zh-cn/blog/dubbo-k8s.html
index eb02564..e12dd07 100644
--- a/zh-cn/blog/dubbo-k8s.html
+++ b/zh-cn/blog/dubbo-k8s.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>大体目标</h2>
 <p>Dubbo的provider不再关心服务注册的事宜,只需要把其Dubbo服务端口打开,由Kubernetes来进行服务的声明和发布;Dubbo的consumer在服务发现时直接发现kubernetes的对应服务endpoints,从而复用Dubbo已有的微服务通道能力。好处是无需依赖三方的软负载注册中心;同时无缝融入Kubernetes的多租户安全体系。Demo的代码参照: <a href="https://github.com/dubbo/dubbo-kubernetes">https://github.com/dubbo/dubbo-kubernetes</a></p>
 <h2>闲谈</h2>
diff --git a/zh-cn/blog/dubbo-loadbalance.html b/zh-cn/blog/dubbo-loadbalance.html
index e76c572..2ca5d4c 100644
--- a/zh-cn/blog/dubbo-loadbalance.html
+++ b/zh-cn/blog/dubbo-loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>背景</h2>
 <p>Dubbo是一个分布式服务框架,能避免单点故障和支持服务的横向扩容。一个服务通常会部署多个实例。如何从多个服务 Provider 组成的集群中挑选出一个进行调用,就涉及到一个负载均衡的策略。</p>
 <h2>几个概念</h2>
diff --git a/zh-cn/blog/dubbo-local-call.html b/zh-cn/blog/dubbo-local-call.html
index 342d9e3..3c24ff3 100644
--- a/zh-cn/blog/dubbo-local-call.html
+++ b/zh-cn/blog/dubbo-local-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h3>本地调用介绍</h3>
 <p>当一个应用既是一个服务的提供者,同时也是这个服务的消费者的时候,可以直接对本机提供的服务发起本地调用。从 <code>2.2.0</code> 版本开始,Dubbo 默认在本地以 <em>injvm</em> 的方式暴露服务,这样的话,在同一个进程里对这个服务的调用会优先走本地调用。</p>
 <p>与本地对象上方法调用不同的是,Dubbo 本地调用会经过 Filter 链,其中包括了 Consumer 端的 Filter 链以及 Provider 端的 Filter 链。通过这样的机制,本地消费者和其他消费者都是统一对待,统一监控,服务统一进行治理。</p>
diff --git a/zh-cn/blog/dubbo-meet-arthas.html b/zh-cn/blog/dubbo-meet-arthas.html
index 7b1c069..46788a6 100644
--- a/zh-cn/blog/dubbo-meet-arthas.html
+++ b/zh-cn/blog/dubbo-meet-arthas.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>Apache Dubbo是Alibaba开源的高性能RPC框架,在国内有非常多的用户。</p>
 <ul>
 <li>Github: <a href="https://github.com/apache/dubbo">https://github.com/apache/dubbo</a></li>
diff --git a/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html b/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html
index e53d3d5..bac51fc 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>首届Dubbo开发者沙龙在北京成功举办, 超过400位开发者参加。这是一个很好的开始!</p>
 <p>分享嘉宾及主体如下:</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-meetup-chengdu.html b/zh-cn/blog/dubbo-meetup-chengdu.html
index 7b3466e..26f3fee 100644
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+++ b/zh-cn/blog/dubbo-meetup-chengdu.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p><img src="../../img/blog/meetup-chengdu/all-hands.webp" alt="img"></p>
 <h2>用户深度沟通交流</h2>
 <p>8.26上午10:00-12:00,邀请到货车帮,云图金控,前BBD,飞鱼星四家公司开源爱好者及重度用户参与面对面交流;据参与者反馈,解答了对Dubbo的诸多疑惑,特别是如何参与贡献社区,以及捐献代码所带来的价值点。希望后面可以更加深入参与Dubbo社区及活动中。</p>
diff --git a/zh-cn/blog/dubbo-meetup-hangzhou.html b/zh-cn/blog/dubbo-meetup-hangzhou.html
index 2c6d6cf..e7eaf56 100644
--- a/zh-cn/blog/dubbo-meetup-hangzhou.html
+++ b/zh-cn/blog/dubbo-meetup-hangzhou.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>第五届Dubbo开发者沙龙在杭州成功举办,</p>
 <p>分享嘉宾</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html b/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
index c4ded17..f648390 100644
--- a/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
+++ b/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>第二届Dubbo开发者沙龙在上海成功举办,超过700位开发者报名,现场参与人数300+,通过阿里云天池、云栖社区、大咖说引导线上直播观看次数10000+</p>
 <p>分享嘉宾及PPT:</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-meetup-shenzhen.html b/zh-cn/blog/dubbo-meetup-shenzhen.html
index 5677c12..c797ff1 100644
--- a/zh-cn/blog/dubbo-meetup-shenzhen.html
+++ b/zh-cn/blog/dubbo-meetup-shenzhen.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>第三届Dubbo开发者沙龙在深圳成功举办,超过2000位开发者报名,现场参与人数700+,通过阿里云天池、云栖社区、大咖说引导线上直播观看次数17000+</p>
 <p>分享嘉宾</p>
 <ul>
diff --git a/zh-cn/blog/dubbo-mesh-in-thinking.html b/zh-cn/blog/dubbo-mesh-in-thinking.html
index f02d735..8ea1ff5 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>开头</h2>
 <p>Service Mesh这个“热”词是2016年9月被“造”出来,而今年2018年更是被称为service Mesh的关键之年,各家大公司都希望能在这个思潮下领先一步。今天我也分享阿里中间件在这方面的观点,思考和实践。考虑到有些人没了解过Dubbo(集团内以HSF为主)和Servicemesh,先简单介绍下这两个词。Dubbo应该是国内最受欢迎的远程服务框架,在Github上有超过2w的star数,也是阿里分布式架构互联互通的核心所在。跟Dubbo一样,servicemesh也是面向服务互联互通这一问题域,是云原生技术栈的核心之一;大家可以简单理解service mesh就是云原生组织定义的微服务架构解决理念。Dubbo是实现框架,融入servcemesh理念就是我们今天分享的。</p>
 <h2>现状和挑战</h2>
diff --git a/zh-cn/blog/dubbo-mesh-service-mesh-exploring.html b/zh-cn/blog/dubbo-mesh-service-mesh-exploring.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p><img src="../../img/blog/meetup-chengdu/all-hands.webp" alt="img"></p>
 <p>近日,在Aliware Open Source•成都站-Apache Dubbo 开发者沙龙上,阿里巴巴中间件高级技术专家李云(至简)向开发者们分享了阿里巴巴中间件团队在Service Mmesh领域的探索和最新实践。本文是根据至简的现场分享所整理,为大家回顾分享中的精彩内容。</p>
 <h2>精彩观点导读</h2>
diff --git a/zh-cn/blog/dubbo-network-interfaces.html b/zh-cn/blog/dubbo-network-interfaces.html
index 137508c..67155f2 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>1 如何选择合适的网卡地址</h2>
 <p>可能相当一部分人还不知道我这篇文章到底要讲什么,我说个场景,大家应该就明晰了。在分布式服务调用过程中,以 Dubbo 为例,服务提供者往往需要将自身的 IP 地址上报给注册中心,供消费者去发现。在大多数情况下 Dubbo 都可以正常工作,但如果你留意过 Dubbo 的 github issue,其实有不少人反馈:Dubbo Provider 注册了错误的 IP。如果你能立刻联想到:多网卡、内外网地址共存、VPN、虚拟网卡等关键词,那我建议你一定要继续将本文看下去,因为我也想到了这些,它们都是本文所要探讨的东西!那么“如何选择合适的网卡地址”呢,Dubbo 现有的逻辑到底算不算完备?我们不急着回答它,而是带着这些问题一起进行研究,相信到文末,其中答案,各位看官自有评说。</p>
 <h2>2 Dubbo 是怎么做的</h2>
diff --git a/zh-cn/blog/dubbo-new-async.html b/zh-cn/blog/dubbo-new-async.html
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+++ b/zh-cn/blog/dubbo-new-async.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>基于Dubbo实现全异步编程,是在2.7.0版本中对现有异步方式增强后新引入的功能。本文先是回顾2.6.x及之前版本对异步的支持情况及存在的问题,引出了2.7.0版本基于CompletableFuture做了哪些针对性的增强,通过几个示例详细阐述了增强后的异步编程的使用方式,最后总结了引入异步模式带来的新问题及Dubbo的解决方法。通过阅读这篇文章,可以很容易的基于Dubbo2.7.0+版本实现一个全异步的远程服务调用链路。</p>
 <p>从3.0.0版本开始,Dubbo框架提供了对Reactive编程范式的支持,除了编程接口之外,在跨进程的RPC通信中引入了Reactive的语义。如果你所在的环境需要使用Reactive编程范式,或者你的RPC调用需要支持流式传输,Reactive应该会给你带来帮助,具体请参考发布在阿里巴巴中间件公众号上的<a href="">响应式编程支持</a>相关文章。</p>
 <blockquote>
diff --git a/zh-cn/blog/dubbo-protocol.html b/zh-cn/blog/dubbo-protocol.html
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--- a/zh-cn/blog/dubbo-protocol.html
+++ b/zh-cn/blog/dubbo-protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>协议是两个网络实体进行通信的基础,数据在网络上从一个实体传输到另一个实体,以字节流的形式传递到对端。在这个字节流的世界里,如果没有协议,就无法将这个一维的字节流重塑成为二维或者多维的数据结构以及领域对象。</p>
 <h3>协议是什么</h3>
 <p>协议是双方确定的交流语义,比如:我们设计一个字符串传输的协议,它允许客户端发送一个字符串,服务端接收到对应的字符	串。这个协议很简单,首先发送一个4字节的消息总长度,然后再发送1字节的字符集charset长度,接下来就是消息的payload,字符集名称和字符串正文。</p>
diff --git a/zh-cn/blog/dubbo-registry-nacos-integration.html b/zh-cn/blog/dubbo-registry-nacos-integration.html
index cbbcfc7..4015051 100644
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+++ b/zh-cn/blog/dubbo-registry-nacos-integration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>Nacos 作为 Dubbo 生态系统中重要的注册中心实现,其中 <a href="https://github.com/apache/dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> 则是 Dubbo 融合 Nacos 注册中心的实现。</p>
 <h2>预备工作</h2>
 <p>当您将 <a href="https://github.com/apache/dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> 整合到您的 Dubbo 工程之前,请确保后台已经启动 Nacos 服务。如果您尚且不熟悉 Nacos 的基本使用的话,可先行参考 <a href="https://nacos.io/en-us/docs/quick-start.html">Nacos 快速入门</a>:<a href="https://nacos.io/en-us/docs/quick-start.html%E3%80%82%E5%BB%BA%E8%AE%AE%E4%BD%BF%E7%94%A8">https://nacos.io/en-us/docs/quick-start.html。建议使用</a> Nacos <code>0.6.1</code> 以上的版本。</p>
diff --git a/zh-cn/blog/dubbo-rest.html b/zh-cn/blog/dubbo-rest.html
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--- a/zh-cn/blog/dubbo-rest.html
+++ b/zh-cn/blog/dubbo-rest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>什么是 REST</h2>
 <p>REST 是 Roy Thomas Fielding <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 在 2000 年他的博士论文 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>  “架构风格以及基于网络的软件架构设计” 中提出来的一个概念。REST 是 <strong>RE</strong>presentational <strong>S</strong>tate <strong>T</strong>ransfer 的缩写,翻译过来就是 “表现层状态转化”。REST 就是 Roy 在这篇论文中提出的面向互联网的软件所应当具备的架构风格。</p>
 <p>按照 REpresentational State Transfer 的字面意思,可以把应用看成是一个虚拟的状态机,软件提供的不是服务而是一系列的<strong>资源</strong>,对这些资源的访问通过<strong>统一的操作</strong>来访问,而返回的结果代表了资源状态的一次跃迁。REST 是一种架构风格,如果一个软件架构符合 REST 风格,就可以称之为 RESTful 架构。这个架构应当具备以下一些设计上的约束:资源具有唯一标示、资源之间有关联关系、使用标准的方式来访问、资源有多种表现形式、无状态交互。</p>
diff --git a/zh-cn/blog/dubbo-stub-mock.html b/zh-cn/blog/dubbo-stub-mock.html
index d0db019..5abc8b2 100644
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+++ b/zh-cn/blog/dubbo-stub-mock.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>基本概念</h2>
 <p>典型的 RPC 调用客户端是依赖并且只依赖接口编程来进行远程调用的。在真正发起远程调用之前,用户往往需要做一些预处理的工作,比如提前校验参数。在拿到返回调用结果之后,用户可能需要缓存结果,或者是在调用失败的时候构造容错数据,而不是简单的抛出异常。</p>
 <p>这个时候,用户可以编写出类似以下的代码来处理上面提出的这些场景:</p>
diff --git a/zh-cn/blog/dubbo-zk.html b/zh-cn/blog/dubbo-zk.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>Zookeeper 介绍</h2>
 <h3>基本概念</h3>
 <p>在现代的分布式应用中,往往会出现节点和节点之间的协调问题,其中就包括了:选主、集群管理、分布式锁、分布式配置管理、统一命名服务、状态同步等诉求。<a href="https://zookeeper.apache.org">Apache Zookeeper</a>,正如它的名字所暗示的那样,<em>动物园管理员</em>,就是为了解决这些诉求的一个分布式协调服务框架。</p>
diff --git a/zh-cn/blog/dubbo2-js.html b/zh-cn/blog/dubbo2-js.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <blockquote>
 <p><a href="https://github.com/dubbo/dubbo2.js">dubbo2.js</a> 是 <a href="https://www.qianmi.com/">千米网</a> 贡献给 dubbo 社区的一款 nodejs dubbo 客户端,它提供了 nodejs 对原生 dubbo 协议的支持,使得 nodejs 和 java 这两种异构语言的 rpc 调用变得便捷,高效。</p>
 </blockquote>
diff --git a/zh-cn/blog/dubboAsync_client.html b/zh-cn/blog/dubboAsync_client.html
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>铺垫</h2>
 <p><img src="../../img/blog/dubboasyn_client/1.png" alt="image | left"></p>
 <p>先简单介绍下一次完整的Dubbo调用所经历的线程阶段。几个信息这里罗列下</p>
diff --git a/zh-cn/blog/dubboAsync_server.html b/zh-cn/blog/dubboAsync_server.html
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 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>铺垫</h2>
 <p>建议先对Dubbo的处理过程中涉及的线程阶段先做个了解,具体可参考<a href="http://dubbo.apache.org/zh-cn/blog/dubboAsync_client.html">Dubbo客户端异步接口的实现背景和使用场景</a>。</p>
 <h2>实现背景</h2>
diff --git a/zh-cn/blog/first-dubbo-filter.html b/zh-cn/blog/first-dubbo-filter.html
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 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h3>概述</h3>
 <p>在Dubbo的整体设计中,Filter是一个很重要的概念,包括Dubbo本身的大多数功能,都是基于此扩展点实现的,在每次的调用过程中,Filter的拦截都会被执行。</p>
 <h4>Dubbo Filter的加载机制</h4>
diff --git a/zh-cn/blog/gsoc-2018.html b/zh-cn/blog/gsoc-2018.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>谷歌编程之夏会议上2018个项目被宣布, Raghu Reddy 的项目&quot;Apache Dubbo 扩展串行协议支持&quot; 被<a href="https://summerofcode.withgoogle.com/projects/#4747840161579008">接受</a>! 祝贺他!</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a href=" [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/blog/how-to-involve-dubbo-community.html b/zh-cn/blog/how-to-involve-dubbo-community.html
index 66ef97b..c1fc463 100644
--- a/zh-cn/blog/how-to-involve-dubbo-community.html
+++ b/zh-cn/blog/how-to-involve-dubbo-community.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p><img src="../../img/blog/involve-dubbo/head.jpg" alt="img"></p>
 <h2>前言</h2>
 <p>本文首次分享是在Apache Dubbo成都meetup上,这个话题是第一次在meetup上讲,不是我们没有更好的话题,相反,我们认为这个话题非常重要,甚至建议这个话题以后每次meetup都要讲。</p>
diff --git a/zh-cn/blog/index.html b/zh-cn/blog/index.html
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 </head>
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-	<div id="root"><div class="blog-list-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hre [...]
+	<div id="root"><div class="blog-list-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hre [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
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diff --git a/zh-cn/blog/introduction-to-dubbo-qos.html b/zh-cn/blog/introduction-to-dubbo-qos.html
index b71f829..a12ae55 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>QoS,全称为<code>Quality of Service</code>, 是常见于网络设备中的一个术语 ,例如在路由器中,可以通过Qos动态的调整和控制某些端口的权重,从而优先的保障运行在这些端口上的服务质量。</p>
 <p>在Dubbo中,QoS这个概念被用于动态的对服务进行查询和控制。例如对获取当前提供和消费的所有服务,以及对服务进行动态的上下线,即从注册中心上进行注册和反注册操作。</p>
 <h2>QoS工作机制</h2>
diff --git a/zh-cn/blog/introduction-to-dubbo-spi-2.html b/zh-cn/blog/introduction-to-dubbo-spi-2.html
index aaaf5d4..fbb5d40 100644
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+++ b/zh-cn/blog/introduction-to-dubbo-spi-2.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>在<a href="./introduction-to-dubbo-spi.md">Dubbo可扩展机制实战</a>中,我们了解了Dubbo扩展机制的一些概念,初探了Dubbo中LoadBalance的实现,并自己实现了一个LoadBalance。是不是觉得Dubbo的扩展机制很不错呀,接下来,我们就深入Dubbo的源码,一睹庐山真面目。</p>
 <h2>ExtensionLoader</h2>
 <p>ExtensionLoader 是最核心的类,负责扩展点的加载和生命周期管理。我们就以这个类开始吧。
diff --git a/zh-cn/blog/introduction-to-dubbo-spi.html b/zh-cn/blog/introduction-to-dubbo-spi.html
index 2ee13fc..1300e8c 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>1. Dubbo的扩展机制</h2>
 <p>在Dubbo的官网上,Dubbo描述自己是一个高性能的RPC框架。今天我想聊聊Dubbo的另一个很棒的特性, 就是它的可扩展性。
 如同罗马不是一天建成的,任何系统都一定是从小系统不断发展成为大系统的,想要从一开始就把系统设计的足够完善是不可能的,相反的,我们应该关注当下的需求,然后再不断地对系统进行迭代。在代码层面,要求我们适当的对关注点进行抽象和隔离,在软件不断添加功能和特性时,依然能保持良好的结构和可维护性,同时允许第三方开发者对其功能进行扩展。在某些时候,软件设计者对扩展性的追求甚至超过了性能。</p>
diff --git a/zh-cn/blog/introduction-to-dubbo-url.html b/zh-cn/blog/introduction-to-dubbo-url.html
index b8044da..4e8e1f9 100644
--- a/zh-cn/blog/introduction-to-dubbo-url.html
+++ b/zh-cn/blog/introduction-to-dubbo-url.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h3>定义</h3>
 <p>在不谈及 dubbo 时,我们大多数人对 URL 这个概念并不会感到陌生。统一资源定位器 (<a href="https://www.ietf.org/rfc/rfc1738.txt">RFC1738</a>――Uniform Resource Locators (URL))应该是最广为人知的一个 RFC 规范,它的定义也非常简单</p>
 <blockquote>
diff --git a/zh-cn/blog/meet-dubbo.html b/zh-cn/blog/meet-dubbo.html
index 70b6fc9..5d153a9 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>我是一个有Dubbo情节的程序员。</p>
 <p>Dubbo以不同方式,陪伴了我时间不长的整个代码生涯。不久前,通过社区投票,我被选举为<code>Committer</code>。当时我在朋友圈发了一句话,也是贯穿我从开始使用Dubbo、研究Dubbo、贡献Dubbo到最后成为<code>Committer</code>的全过程,一直为我提供内心无与伦比愉悦的源泉:成长这种事,能看见脚印特别幸福。</p>
 <p>今天来个回忆杀,把我和Dubbo的那些事拿出来说说。</p>
diff --git a/zh-cn/blog/optimization-branch-prediction.html b/zh-cn/blog/optimization-branch-prediction.html
index ed60b3a..132a933 100644
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@@ -12,7 +12,7 @@
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 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>分支预测</h2>
 <p>在stackoverflow上有一个非常有名的问题:<a href="https://stackoverflow.com/questions/11227809/why-is-it-faster-to-process-a-sorted-array-than-an-unsorted-array">为什么处理有序数组要比非有序数组快?</a>,可见分支预测对代码运行效率有非常大的影响。</p>
 <p>现代CPU都支持分支预测(branch prediction)和指令流水线(instruction pipeline),这两个结合可以极大提高CPU效率。对于像简单的if跳转,CPU是可以比较好地做分支预测的。但是对于switch跳转,CPU则没有太多的办法。switch本质上是据索引,从地址数组里取地址再跳转。</p>
diff --git a/zh-cn/blog/pinpoint.html b/zh-cn/blog/pinpoint.html
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-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>在使用Dubbo进行服务化或者整合应用后,假设某个服务后台日志显示有异常,这个服务又被多个应用调用的情况下,我们通常很难判断是哪个应用调用的,问题的起因是什么,因此我们需要一套分布式跟踪系统来快速定位问题,Pinpoint可以帮助我们快速定位问题(当然,解决方案也不止这一种)。</p>
 <h2>什么是Pinpoint(摘自<a href="https://skyao.gitbooks.io/learning-pinpoint/">Pinpoint学习笔记</a>)</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a>是一个开源的 APM (Application Performance Management/应用性能管理)工具,用于基于java的大规模分布式系统。
diff --git a/zh-cn/blog/prepare-an-apache-release.html b/zh-cn/blog/prepare-an-apache-release.html
index a1cd33e..d184ff0 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>理解Apache发布的内容和流程</h2>
 <p>总的来说,Source Release是Apache关注的重点,也是发布的必须内容;而Binary Release是可选项,Dubbo可以选择是否发布二进制包到Apache仓库或者发布到Maven中央仓库。</p>
 <p>请参考以下链接,找到更多关于ASF的发布指南:</p>
diff --git a/zh-cn/blog/qcon-beijing-2018.html b/zh-cn/blog/qcon-beijing-2018.html
index 34d0ed2..2ebf1cc 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>罗毅在Qcon Beijing 2018上进行了Dubbo开源现状及未来规划的主题演讲。详细内容请查看<a href="https://github.com/dubbo/awesome-dubbo/raw/master/slides/qcon2018/dubbo-present-and-future.pdf">幻灯片</a>。</p>
 </section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a href=" [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/blog/rpc-introduction.html b/zh-cn/blog/rpc-introduction.html
new file mode 100644
index 0000000..b8880dc
--- /dev/null
+++ b/zh-cn/blog/rpc-introduction.html
@@ -0,0 +1,153 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+	<meta name="keywords" content="RPC, Dubbo, Spring Cloud" />
+	<meta name="description" content="RPC-远程过程调用,它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。" />
+	<!-- 网页标签标题 -->
+	<title>浅谈 RPC</title>
+	<link rel="shortcut icon" href="/img/dubbo.ico"/>
+	<link rel="stylesheet" href="/build/blogDetail.css" />
+</head>
+<body>
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+<h2>什么是RPC?</h2>
+<p>RPC(Remote Procedure Call)—远程过程调用,它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。也就是说两台服务器A,B,一个应用部署在A服务器上,想要调用B服务器上应用提供的方法,由于不在一个内存空间,不能直接调用,需要通过网络来表达调用的语义和传达调用的数据。</p>
+<p>RPC协议假定某些传输协议的存在,如TCP或UDP,为通信程序之间携带信息数据。在OSI网络通信模型中,RPC跨越了传输层和应用层。RPC使得开发包括网络分布式多程序在内的应用程序更加容易。现在业界有很多开源的优秀 RPC 框架,例如 Spring Cloud、Dubbo、Thrift 等。</p>
+<h2>RPC 起源</h2>
+<p>RPC 这个概念术语在上世纪 80 年代由 <strong>Bruce Jay Nelson</strong> 提出。这里我们追溯下当初开发 RPC 的原动机是什么?在 Nelson 的论文 &quot;Implementing Remote Procedure Calls&quot; 中他提到了几点:</p>
+<ul>
+<li>简单:RPC 概念的语义十分清晰和简单,这样建立分布式计算就更容易。</li>
+<li>高效:过程调用看起来十分简单而且高效。</li>
+<li>通用:在单机计算中过程往往是不同算法部分间最重要的通信机制。</li>
+</ul>
+<p>通俗一点说,就是一般程序员对于本地的过程调用很熟悉,那么我们把 RPC 作成和本地调用完全类似,那么就更容易被接受,使用起来毫无障碍。Nelson 的论文发表于 30 年前,其观点今天看来确实高瞻远瞩,今天我们使用的 RPC 框架基本就是按这个目标来实现的。</p>
+<h2>RPC 结构</h2>
+<p>Nelson 的论文中指出实现 RPC 的程序包括 5 个部分:</p>
+<ol>
+<li>User</li>
+<li>User-stub</li>
+<li>RPCRuntime</li>
+<li>Server-stub</li>
+<li>Server</li>
+</ol>
+<p><img src="../../img/blog/rpc/rpc-structure-1.png" alt="RPC结构"></p>
+<p>这里 user 就是 client 端,当 user 想发起一个远程调用时,它实际是通过本地调用 user-stub。user-stub 负责将调用的接口、方法和参数通过约定的协议规范进行编码并通过本地的 RPCRuntime 实例传输到远端的实例。远端 RPCRuntime 实例收到请求后交给 server-stub 进行解码后发起本地端调用,调用结果再返回给 user 端。</p>
+<p>以上是粗粒度的 RPC 实现概念结构,接下来我们进一步细化它应该由哪些组件构成,如下图所示。</p>
+<p><img src="../../img/blog/rpc/rpc-structure-2.png" alt="RPC 结构拆解"></p>
+<p>RPC 服务方通过 RpcServer 去导出(export)远程接口方法,而客户方通过 RpcClient 去引入(import)远程接口方法。客户方像调用本地方法一样去调用远程接口方法,RPC 框架提供接口的代理实现,实际的调用将委托给代理RpcProxy 。代理封装调用信息并将调用转交给RpcInvoker 去实际执行。在客户端的RpcInvoker 通过连接器RpcConnector 去维持与服务端的通道RpcChannel,并使用RpcProtocol 执行协议编码(encode)并将编码后的请求消息通过通道发送给服务方。</p>
+<p>RPC 服务端接收器 RpcAcceptor 接收客户端的调用请求,同样使用RpcProtocol 执行协议解码(decode)。解码后的调用信息传递给RpcProcessor 去控制处理调用过程,最后再委托调用给RpcInvoker 去实际执行并返回调用结果。如下是各个部分的详细职责:</p>
+<pre><code>1. RpcServer  
+
+   负责导出(export)远程接口  
+
+2. RpcClient  
+
+   负责导入(import)远程接口的代理实现  
+
+3. RpcProxy  
+
+   远程接口的代理实现  
+
+4. RpcInvoker  
+
+   客户方实现:负责编码调用信息和发送调用请求到服务方并等待调用结果返回  
+
+   服务方实现:负责调用服务端接口的具体实现并返回调用结果  
+
+5. RpcProtocol  
+
+   负责协议编/解码  
+
+6. RpcConnector  
+
+   负责维持客户方和服务方的连接通道和发送数据到服务方  
+
+7. RpcAcceptor  
+
+   负责接收客户方请求并返回请求结果  
+
+8. RpcProcessor  
+
+   负责在服务方控制调用过程,包括管理调用线程池、超时时间等  
+
+9. RpcChannel  
+
+   数据传输通道 
+</code></pre>
+<h2>RPC 工作原理</h2>
+<p>RPC的设计由Client,Client stub,Network ,Server stub,Server构成。 其中Client就是用来调用服务的,Cient stub是用来把调用的方法和参数序列化的(因为要在网络中传输,必须要把对象转变成字节),Network用来传输这些信息到Server stub, Server stub用来把这些信息反序列化的,Server就是服务的提供者,最终调用的就是Server提供的方法。</p>
+<p><img src="../../img/blog/rpc/rpc-work-principle.png" alt="RPC工作原理"></p>
+<ol>
+<li>
+<p>Client像调用本地服务似的调用远程服务;</p>
+</li>
+<li>
+<p>Client stub接收到调用后,将方法、参数序列化</p>
+</li>
+<li>
+<p>客户端通过sockets将消息发送到服务端</p>
+</li>
+<li>
+<p>Server stub 收到消息后进行解码(将消息对象反序列化)</p>
+</li>
+<li>
+<p>Server stub 根据解码结果调用本地的服务</p>
+</li>
+<li>
+<p>本地服务执行(对于服务端来说是本地执行)并将结果返回给Server stub</p>
+</li>
+<li>
+<p>Server stub将返回结果打包成消息(将结果消息对象序列化)</p>
+</li>
+<li>
+<p>服务端通过sockets将消息发送到客户端</p>
+</li>
+<li>
+<p>Client stub接收到结果消息,并进行解码(将结果消息发序列化)</p>
+</li>
+<li>
+<p>客户端得到最终结果。</p>
+</li>
+</ol>
+<p>RPC 调用分以下两种:</p>
+<ol>
+<li>
+<p>同步调用:客户方等待调用执行完成并返回结果。</p>
+</li>
+<li>
+<p>异步调用:客户方调用后不用等待执行结果返回,但依然可以通过回调通知等方式获取返回结果。若客户方不关心调用返回结果,则变成单向异步调用,单向调用不用返回结果。</p>
+</li>
+</ol>
+<p>异步和同步的区分在于是否等待服务端执行完成并返回结果。</p>
+<h2>RPC 能干什么?</h2>
+<p>RPC 的主要功能目标是让构建分布式计算(应用)更容易,在提供强大的远程调用能力时不损失本地调用的语义简洁性。为实现该目标,RPC 框架需提供一种透明调用机制,让使用者不必显式的区分本地调用和远程调用,在之前给出的一种实现结构,基于 stub 的结构来实现。下面我们将具体细化 stub 结构的实现。</p>
+<ul>
+<li>可以做到分布式,现代化的微服务</li>
+<li>部署灵活</li>
+<li>解耦服务</li>
+<li>扩展性强</li>
+</ul>
+<p>RPC的目的是让你在本地调用远程的方法,而对你来说这个调用是透明的,你并不知道这个调用的方法是部署哪里。通过RPC能解耦服务,这才是使用RPC的真正目的。</p>
+<h2>总结</h2>
+<p>这篇文章介绍了 RPC 的一些基本原理,相信到这里您已经对 RPC 有了一定理解。其实发现实现一个 RPC 不算难,难的是实现一个高性能高可靠的RPC框架。比如,既然是分布式了,那么一个服务可能有多个实例,你在调用时,要如何获取这些实例的地址呢?这时候就需要一个服务注册中心,比如在Dubbo中,就可以使用Zookeeper作为注册中心,在调用时,从Zookeeper获取服务的实例列表,再从中选择一个进行调用。那么选哪个调用好呢?这时候就需要负载均衡了,于是你又得考虑如何实现复杂均衡,比如Dubbo就提供了好几种负载均衡策略。所以请继续关注我的另外两篇文章<strong>RPC与服务化的关系</strong>和<strong>注册中心,配置中心, 服务发现浅谈</strong>,相信会帮助对RPC设计和实现有更多的理解。</p>
+</section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a href=" [...]
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+  <script src="/build/blogDetail.js"></script>
+  <!-- Global site tag (gtag.js) - Google Analytics -->
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+</body>
+</html>
\ No newline at end of file
diff --git a/zh-cn/blog/rpc-introduction.json b/zh-cn/blog/rpc-introduction.json
new file mode 100644
index 0000000..547960b
--- /dev/null
+++ b/zh-cn/blog/rpc-introduction.json
@@ -0,0 +1,10 @@
+{
+  "filename": "rpc-introduction.md",
+  "__html": "<p>近几年随着微服务化项目的崛起,逐渐成为许多公司中大型分布式系统架构的主流方式,而今天所说的 RPC 在这其中扮演着至关重要的角色。随着这段日子公司项目微服务化的演进,发现在日常开发中都在隐式或显式的使用 RPC,一些刚刚接触 RPC 的小伙伴会感觉无所适从,而一些入行多年的老手虽然使用 RPC 经验丰富,但有些对其原理也一知半解,缺乏对原理的深入理解,往往也会造成开发中的一些误用。</p>\n<h2>什么是RPC?</h2>\n<p>RPC(Remote Procedure Call)—远程过程调用,它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。也就是说两台服务器A,B,一个应用部署在A服务器上,想要调用B服务器上应用提供的方法,由于不在一个内存空间,不能直接调用,需要通过网络来表达调用的语义和传达调用的数�
 �。</p>\n<p>RPC协议假定某些传输协议的存在,如TCP或UDP,为通信程序之间携带信息数据。在OSI网络通信模型中,RPC跨越了传输层和应用层。RPC使得开发包括网络分布式多程序在内的应用程序更加 [...]
+  "link": "/zh-cn/blog/rpc-introduction.html",
+  "meta": {
+    "title": "浅谈 RPC",
+    "keywords": "RPC, Dubbo, Spring Cloud",
+    "description": "RPC-远程过程调用,它是一种通过网络从远程计算机程序上请求服务,而不需要了解底层网络技术的协议。"
+  }
+}
\ No newline at end of file
diff --git a/zh-cn/blog/sentinel-introduction-for-dubbo.html b/zh-cn/blog/sentinel-introduction-for-dubbo.html
index 412a864..bf9c540 100644
--- a/zh-cn/blog/sentinel-introduction-for-dubbo.html
+++ b/zh-cn/blog/sentinel-introduction-for-dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>在复杂的生产环境下可能部署着成千上万的 Dubbo 服务实例,流量持续不断地进入,服务之间进行相互调用。但是分布式系统中可能会因流量激增、系统负载过高、网络延迟等一系列问题,导致某些服务不可用,如果不进行相应的控制可能导致级联故障,影响服务的可用性,因此如何对流量进行合理的控制,成为保障服务稳定性的关键。</p>
 <p><a href="https://github.com/alibaba/Sentinel">Sentinel</a> 是阿里中间件团队开源的,面向分布式服务架构的轻量级流量控制产品,主要以流量为切入点,从<strong>流量控制</strong>、<strong>熔断降级</strong>、<strong>系统负载保护</strong>等多个维度来帮助用户保护服务的稳定性。本文将基于 Dubbo,看看 Sentinel 是如何进行流量控制的,并且提供 Dubbo 整合 Sentinel 的最佳实践。</p>
 <h2>快速接入 Sentinel</h2>
diff --git a/zh-cn/blog/service-and-version.html b/zh-cn/blog/service-and-version.html
index 45f26c0..5cc90d6 100644
--- a/zh-cn/blog/service-and-version.html
+++ b/zh-cn/blog/service-and-version.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>我们在调用Dubbo服务的时候,一般只需要将Consumer端的<code>dubbo:reference</code>指定成服务端中<code>dubbo:service</code>暴露的服务,就可以找到服务端,完成调用,也就是说,Dubbo只需要服务接口信息就可以找到服务提供者。
 其实除了服务提供者以外,Dubbo也有服务分组和版本的概念,在客户端去寻找“匹配”的服务端的时候,需要服务接口,版本号,组别这三个信息都匹配,才算是一个有效的服务端:</p>
 <pre><code class="language-java">   <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">boolean</span> <span class="hljs-title">isMatch</span><span class="hljs-params">(URL consumerUrl, URL providerUrl)</span> </span>{
diff --git a/zh-cn/blog/service-test.html b/zh-cn/blog/service-test.html
index c27bf5d..c1e6dd8 100644
--- a/zh-cn/blog/service-test.html
+++ b/zh-cn/blog/service-test.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>基于Dubbo2.7的元数据,Dubbo Admin实现了服务测试功能,可以通过泛化调用,在控制台上调用真实的服务提供者</p>
 <h2>使用方式</h2>
 <ul>
diff --git a/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html b/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
index 59b87fe..9d7af4d 100644
--- a/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
+++ b/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>背景介绍</h2>
 <p><a href="https://github.com/apache/dubbo-spring-boot-project">Dubbo Spring Boot</a> 工程致力于简化 Dubbo RPC 框架在Spring Boot应用场景的开发。同时也整合了 Spring Boot 特性:</p>
 <ul>
diff --git a/zh-cn/blog/test-verification.html b/zh-cn/blog/test-verification.html
index 506a4af..db8694a 100644
--- a/zh-cn/blog/test-verification.html
+++ b/zh-cn/blog/test-verification.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>除了线上常规的使用场景以外,我们在日常使用中还需要一些特定的使用方式,比如对正在开发的功能进行验证测试,比如单独调用某台机器的服务,这篇文章就来介绍一下这些场景下的使用方式。</p>
 <h3>只订阅</h3>
 <p>为方便开发测试,经常会在线下共用一个所有服务可用的注册中心,这时,如果一个正在开发中的服务提供者注册,可能会影响消费者不能正常运行。</p>
diff --git a/zh-cn/blog/tracing-with-skywalking.html b/zh-cn/blog/tracing-with-skywalking.html
index 551b87b..791567c 100644
--- a/zh-cn/blog/tracing-with-skywalking.html
+++ b/zh-cn/blog/tracing-with-skywalking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <h2>Apache Skywalking(Incubator)简介</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a> 专门为微服务架构和云原生架构系统而设计并且支持分布式链路追踪的APM系统。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>通过加载探针的方式收集应用调用链路信息,并对采集的调用链路信息进行分析,生成应用间关系和服务间关系以及服务指标。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking (Incubating)</a>目前支持多种语言,其中包括<a href="https://github.com/apache/incubator-skywalking">Java</a>,<a href="https://github.com/OpenSkywalking/skyw [...]
 <p>目前Skywalking已经支持从6个可视化维度剖析分布式系统的运行情况。总览视图是应用和组件的全局视图,其中包括组件和应用数量,应用的告警波动,慢服务列表以及应用吞吐量;拓扑图从应用依赖关系出发,展现整个应用的拓扑关系;应用视图则是从单个应用的角度,展现应用的上下游关系,TopN的服务和服务器,JVM的相关信息以及对应的主机信息。服务视图关注单个服务入口的运行情况以及此服务的上下游依赖关系,依赖度,帮助用户针对单个服务的优化和监控;调用链展现了调用的单次请求经过的所有埋点以及每个埋点的执行时长;告警视图根据配置阈值针对应用、服务器、服务进行实时告警。</p>
diff --git a/zh-cn/blog/use-zipkin-in-dubbo.html b/zh-cn/blog/use-zipkin-in-dubbo.html
index 0d66651..85cf6d3 100644
--- a/zh-cn/blog/use-zipkin-in-dubbo.html
+++ b/zh-cn/blog/use-zipkin-in-dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
+	<div id="root"><div class="blog-detail-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a h [...]
 <p>随着业务的发展,应用的规模不断的扩大,传统的应用架构无法满足诉求,服务化架构改造势在必行,以 Dubbo 为代表的分布式服务框架成为了服务化改造架构中的基石。随着微服务理念逐渐被大众接受,应用进一步向更细粒度拆分,并且,不同的应用由不同的开发团队独立负责,整个分布式系统变得十分复杂。没有人能够清晰及时的知道当前系统整体的依赖关系。当出现问题时,也无法及时知道具体是链路上的哪个环节出了问题。</p>
 <p>在这个背景下,Google 发表了 <a href="https://ai.google/research/pubs/pub36356">Dapper</a> 的论文,描述了如何通过一个分布式追踪系统解决上述问题。基于该论文,各大互联网公司实现并部署了自己的分布式追踪系统,其中比较出名的有阿里巴巴的 EagleEye。本文中提到的 Zipkin 是 Twitter 公司开源的分布式追踪系统。下面会详细介绍如何在 Dubbo 中使用 Zipkin 来实现分布式追踪。</p>
 <h2>Zipkin 简介</h2>
diff --git a/zh-cn/community/index.html b/zh-cn/community/index.html
index 46e0e5c..6b6e2aa 100644
--- a/zh-cn/community/index.html
+++ b/zh-cn/community/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/community.css" />
 </head>
 <body>
-	<div id="root"><div class="community-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hre [...]
+	<div id="root"><div class="community-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a hre [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
 	<script>
diff --git a/zh-cn/docs/admin/README.html b/zh-cn/docs/admin/README.html
index 668edfe..8829b09 100644
--- a/zh-cn/docs/admin/README.html
+++ b/zh-cn/docs/admin/README.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/admin/SUMMARY.html b/zh-cn/docs/admin/SUMMARY.html
index eaaff69..d4e26fb 100644
--- a/zh-cn/docs/admin/SUMMARY.html
+++ b/zh-cn/docs/admin/SUMMARY.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <li><a href="introduction.md">1 Dubbo Admin介绍</a>
 <ul>
 <li><a href="serviceSearch.md">1.1 服务搜索和详情</a></li>
diff --git a/zh-cn/docs/admin/install/admin-console.html b/zh-cn/docs/admin/install/admin-console.html
index 3c86b2f..fc69e40 100644
--- a/zh-cn/docs/admin/install/admin-console.html
+++ b/zh-cn/docs/admin/install/admin-console.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>目前版本的管理控制台正在开发中,已经完成了服务查询和服务治理的功能,采用前后端分离的模式,具体的安装和使用步骤如下:</p>
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo-admin.git /var/tmp/dubbo-admin
diff --git a/zh-cn/docs/admin/install/consumer-demo.html b/zh-cn/docs/admin/install/consumer-demo.html
index 975059c..c272171 100644
--- a/zh-cn/docs/admin/install/consumer-demo.html
+++ b/zh-cn/docs/admin/install/consumer-demo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git
 <span class="hljs-built_in">cd</span> dubbo
diff --git a/zh-cn/docs/admin/install/introduction.html b/zh-cn/docs/admin/install/introduction.html
index c166bf3..3ea5947 100644
--- a/zh-cn/docs/admin/install/introduction.html
+++ b/zh-cn/docs/admin/install/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>你可以只运行 Demo Provider 和 Demo Consumer,它们缺省配置为通过 Multicast  <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 注册中心广播互相发现,建议在不同机器上运行,如果在同一机器上,需设置 <code>unicast=false</code>:即: <code>multicast://224.5.6.7:1234?unicast=false</code>,否则发给消费者的单播消息可能被提供者抢占,两个消费者在同一台机器也一样,只有 multicast 注册中心有此问题。</p>
 <p>你也可以运行多个 Demo Provider 和 Demo Consumer,来验证软负载均衡,Demo Consumer 可以直接启动多个实例,而多个 Demo Provider 因有端口冲突,可在不同机器上运行,或者修改 Demo Provider 安装目录下 <code>conf/dubbo.properties</code> 配置中的 <code>dubbo.protocol.port</code> 的值。</p>
 <p>你也可以增加运行 Simple Monitor 监控中心,它缺省配置为通过 Multicast 注册中心广播发现 Provider 和 Consumer,并展示出它们的依赖关系,以及它们之间调用的次数和时间。</p>
diff --git a/zh-cn/docs/admin/install/provider-demo.html b/zh-cn/docs/admin/install/provider-demo.html
index 68797f5..7ac242c 100644
--- a/zh-cn/docs/admin/install/provider-demo.html
+++ b/zh-cn/docs/admin/install/provider-demo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git
 <span class="hljs-built_in">cd</span> dubbo
diff --git a/zh-cn/docs/admin/install/redis.html b/zh-cn/docs/admin/install/redis.html
index a7211ba..601b6e3 100644
--- a/zh-cn/docs/admin/install/redis.html
+++ b/zh-cn/docs/admin/install/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 使用方式参见: <a href="http://dubbo.apache.org/books/dubbo-user-book/references/registry/redis.html">Redis 注册中心参考手册</a>。</p>
 <p>只需搭一个原生的 Redis 服务器,并将<a href="http://dubbo.apache.org/books/dubbo-user-book/quick-start.html">快速启动</a>中 Provider 和 Consumer 里的 <code>conf/dubbo.properties</code> 中的 <code>dubbo.registry.addrss</code> 的值改为 <code>redis://127.0.0.1:6379</code> 即可使用。</p>
 <p>Redis 注册中心集群 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 采用在客户端同时写入多个服务器,读取单个服务器的策略实现。</p>
diff --git a/zh-cn/docs/admin/install/simple-monitor-center.html b/zh-cn/docs/admin/install/simple-monitor-center.html
index e8415bb..0dc25e0 100644
--- a/zh-cn/docs/admin/install/simple-monitor-center.html
+++ b/zh-cn/docs/admin/install/simple-monitor-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h4>不再单独提供监控中心,功能会整合到运维控制台,基于Metrics提供更丰富,实时的信息展示,敬请期待</h4>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/admin/install/simple-registry-center.html b/zh-cn/docs/admin/install/simple-registry-center.html
index 4521870..361f0fc 100644
--- a/zh-cn/docs/admin/install/simple-registry-center.html
+++ b/zh-cn/docs/admin/install/simple-registry-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/admin/install/zookeeper.html b/zh-cn/docs/admin/install/zookeeper.html
index f2c614d..dfcd0c9 100644
--- a/zh-cn/docs/admin/install/zookeeper.html
+++ b/zh-cn/docs/admin/install/zookeeper.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>建议使用 <code>dubbo-2.3.3</code> 以上版本的 zookeeper <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 注册中心客户端。</p>
 <p>Dubbo 未对 Zookeeper 服务器端做任何侵入修改,只需安装原生的 Zookeeper 服务器即可,所有注册中心逻辑适配都在调用 Zookeeper 客户端时完成。</p>
 <p>安装:</p>
diff --git a/zh-cn/docs/admin/introduction.html b/zh-cn/docs/admin/introduction.html
index de04d75..541f972 100644
--- a/zh-cn/docs/admin/introduction.html
+++ b/zh-cn/docs/admin/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>目前的管理控制台已经发布0.1版本,结构上采取了前后端分离的方式,前端使用Vue和Vuetify分别作为Javascript框架和UI框架,后端采用Spring Boot框架。既可以按照标准的Maven方式进行打包,部署,也可以采用前后端分离的部署方式,方便开发,功能上,目前具备了服务查询,服务治理(包括Dubbo2.7中新增的治理规则)以及服务测试三部分内容。</p>
 <h3>Maven方式部署</h3>
 <ul>
diff --git a/zh-cn/docs/admin/ops/dubbo-ops.html b/zh-cn/docs/admin/ops/dubbo-ops.html
index 1cbdb46..b7f4560 100644
--- a/zh-cn/docs/admin/ops/dubbo-ops.html
+++ b/zh-cn/docs/admin/ops/dubbo-ops.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>搜索页面</h2>
 <p>当你需要管理 Dubbo 的服务时,首先要搜索到这个服务,然后打开它的管理页面</p>
 <p><img src="../sources/images/dubbo-search.jpg" alt="/admin-guide/images/dubbo-search.png"></p>
diff --git a/zh-cn/docs/admin/ops/introduction.html b/zh-cn/docs/admin/ops/introduction.html
index 9cc6221..99bfb46 100644
--- a/zh-cn/docs/admin/ops/introduction.html
+++ b/zh-cn/docs/admin/ops/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/admin/ops/pinpoint.html b/zh-cn/docs/admin/ops/pinpoint.html
index 5eaaf46..c2d1d24 100644
--- a/zh-cn/docs/admin/ops/pinpoint.html
+++ b/zh-cn/docs/admin/ops/pinpoint.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在使用Dubbo进行服务化或者整合应用后,假设某个服务后台日志显示有异常,这个服务又被多个应用调用的情况下,我们通常很难判断是哪个应用调用的,问题的起因是什么,因此我们需要一套分布式跟踪系统来快速定位问题,Pinpoint可以帮助我们快速定位问题(当然,解决方案也不止这一种)。</p>
 <h2>什么是Pinpoint(摘自<a href="https://skyao.gitbooks.io/learning-pinpoint/">Pinpoint学习笔记</a>)</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a>是一个开源的 APM (Application Performance Management/应用性能管理)工具,用于基于java的大规模分布式系统。
diff --git a/zh-cn/docs/admin/ops/skywalking.html b/zh-cn/docs/admin/ops/skywalking.html
index ab89e1d..cfa6abc 100644
--- a/zh-cn/docs/admin/ops/skywalking.html
+++ b/zh-cn/docs/admin/ops/skywalking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>Apache Skywalking(Incubator)简介</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a> 专门为微服务架构和云原生架构系统而设计并且支持分布式链路追踪的APM系统。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>通过加载探针的方式收集应用调用链路信息,并对采集的调用链路信息进行分析,生成应用间关系和服务间关系以及服务指标。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking (Incubating)</a>目前支持多种语言,其中包括<a href="https://github.com/apache/incubator-skywalking">Java</a>,<a href="https://github.com/OpenSkywalking/skyw [...]
 <p>目前Skywalking已经支持从6个可视化维度剖析分布式系统的运行情况。总览视图是应用和组件的全局视图,其中包括组件和应用数量,应用的告警波动,慢服务列表以及应用吞吐量;拓扑图从应用依赖关系出发,展现整个应用的拓扑关系;应用视图则是从单个应用的角度,展现应用的上下游关系,TopN的服务和服务器,JVM的相关信息以及对应的主机信息。服务视图关注单个服务入口的运行情况以及此服务的上下游依赖关系,依赖度,帮助用户针对单个服务的优化和监控;调用链展现了调用的单次请求经过的所有埋点以及每个埋点的执行时长;告警视图根据配置阈值针对应用、服务器、服务进行实时告警。</p>
diff --git a/zh-cn/docs/admin/serviceGovernance.html b/zh-cn/docs/admin/serviceGovernance.html
index 04439ff..baece80 100644
--- a/zh-cn/docs/admin/serviceGovernance.html
+++ b/zh-cn/docs/admin/serviceGovernance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>服务治理</h2>
 <p>服务治理主要作用是改变运行时服务的行为和选址逻辑,达到限流,权重配置等目的,主要有以下几个功能:</p>
 <h3>应用级别的服务治理</h3>
diff --git a/zh-cn/docs/admin/serviceSearch.html b/zh-cn/docs/admin/serviceSearch.html
index 0cb0fa3..7c07377 100644
--- a/zh-cn/docs/admin/serviceSearch.html
+++ b/zh-cn/docs/admin/serviceSearch.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务查询是Dubbo OPS最基本的功能,目前支持服务,应用和IP三个维度的查询,并且服务和应用支持模糊查询和自动提示:
 <img src="sources/images/searchResult.png" alt="searchResult">
 其中详情页展示了服务提供者,消费者等信息,元数据信息需要在Dubbo2.7及之后的版本才会展示:<br>
diff --git a/zh-cn/docs/admin/serviceTest.html b/zh-cn/docs/admin/serviceTest.html
index 915b568..b5e3c5f 100644
--- a/zh-cn/docs/admin/serviceTest.html
+++ b/zh-cn/docs/admin/serviceTest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/dev/README.html b/zh-cn/docs/dev/README.html
index 453b030..c9d6dcb 100644
--- a/zh-cn/docs/dev/README.html
+++ b/zh-cn/docs/dev/README.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/dev/SPI.html b/zh-cn/docs/dev/SPI.html
index 767ac77..9023b72 100644
--- a/zh-cn/docs/dev/SPI.html
+++ b/zh-cn/docs/dev/SPI.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展点配置</h2>
 <h3>来源:</h3>
 <p>Dubbo 的扩展点加载从 JDK 标准的 SPI (Service Provider Interface) 扩展点发现机制加强而来。</p>
diff --git a/zh-cn/docs/dev/SUMMARY.html b/zh-cn/docs/dev/SUMMARY.html
index 363b3f5..40a2aab 100644
--- a/zh-cn/docs/dev/SUMMARY.html
+++ b/zh-cn/docs/dev/SUMMARY.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <ul>
 <li><a href="./build.md">1 源码构建</a></li>
 <li><a href="./design.md">2 框架设计</a></li>
diff --git a/zh-cn/docs/dev/TCK.html b/zh-cn/docs/dev/TCK.html
index 5d657bd..24d9ed1 100644
--- a/zh-cn/docs/dev/TCK.html
+++ b/zh-cn/docs/dev/TCK.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 的协议,通讯,序列化,注册中心,负载均策等扩展点,都有多种可选策略,以应对不同应用场景,而我们的测试用例很分散,当用户自己需要加一种新的实现时,总是不确定能否满足扩展点的完整契约。</p>
 <p>所以,我们需要对核心扩展点写 <a href="http://en.wikipedia.org/wiki/Technology_Compatibility_Kit">TCK</a> (Technology Compatibility Kit),用户增加一种扩展实现,只需通过 TCK,即可确保与框架的其它部分兼容运行,可以有效提高整体健状性,也方便第三方扩展者接入,加速开源社区的成熟。</p>
 <p>开源社区的行知同学已着手研究这一块,他的初步想法是借鉴 JBoss 的 CDI-TCK,做一个 Dubbo 的 TCK 基础框架,在此之上实现 Dubbo 的扩展点 TCK 用例。</p>
diff --git a/zh-cn/docs/dev/build.html b/zh-cn/docs/dev/build.html
index 775eb97..0b8ab64 100644
--- a/zh-cn/docs/dev/build.html
+++ b/zh-cn/docs/dev/build.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>代码签出</h2>
 <p>通过以下的这个命令签出最新的项目源码 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/dubbo.git dubbo
diff --git a/zh-cn/docs/dev/checklist.html b/zh-cn/docs/dev/checklist.html
index 6e40ff2..a5251d9 100644
--- a/zh-cn/docs/dev/checklist.html
+++ b/zh-cn/docs/dev/checklist.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>发布前 checklist</h2>
 <ul>
 <li>jira ticket 过一遍</li>
diff --git a/zh-cn/docs/dev/code-smell.html b/zh-cn/docs/dev/code-smell.html
index 9bb53cd..261a674 100644
--- a/zh-cn/docs/dev/code-smell.html
+++ b/zh-cn/docs/dev/code-smell.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>这里记录的是 Dubbo 设计或实现不优雅的地方。</p>
 <h2>URL 转换</h2>
 <h3>1. 点对点暴露和引用服务</h3>
diff --git a/zh-cn/docs/dev/coding.html b/zh-cn/docs/dev/coding.html
index 73920d1..3953774 100644
--- a/zh-cn/docs/dev/coding.html
+++ b/zh-cn/docs/dev/coding.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>代码风格</h2>
 <p>Dubbo 的源代码和 JavaDoc 遵循以下的规范:</p>
 <ul>
diff --git a/zh-cn/docs/dev/contract.html b/zh-cn/docs/dev/contract.html
index 1ed92a9..ffe0e99 100644
--- a/zh-cn/docs/dev/contract.html
+++ b/zh-cn/docs/dev/contract.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>这里记录的是 Dubbo 公共契约,希望所有扩展点遵守。</p>
 <h2>URL</h2>
 <ul>
diff --git a/zh-cn/docs/dev/contribution.html b/zh-cn/docs/dev/contribution.html
index 0cb065c..6ae5db8 100644
--- a/zh-cn/docs/dev/contribution.html
+++ b/zh-cn/docs/dev/contribution.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>流程</h2>
 <ul>
 <li>如果是扩展功能,直接新增工程,黑盒依赖 Dubbo 进行扩展。</li>
diff --git a/zh-cn/docs/dev/design.html b/zh-cn/docs/dev/design.html
index a580a5b..fb5d4f7 100644
--- a/zh-cn/docs/dev/design.html
+++ b/zh-cn/docs/dev/design.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>整体设计</h2>
 <p><img src="sources/images/dubbo-framework.jpg" alt="/dev-guide/images/dubbo-framework.jpg"></p>
 <p>图例说明:</p>
diff --git a/zh-cn/docs/dev/implementation.html b/zh-cn/docs/dev/implementation.html
index 37a0e5f..7757528 100644
--- a/zh-cn/docs/dev/implementation.html
+++ b/zh-cn/docs/dev/implementation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>初始化过程细节</h2>
 <h3>解析服务</h3>
 <p>基于 dubbo.jar 内的 <code>META-INF/spring.handlers</code> 配置,Spring 在遇到 dubbo 名称空间时,会回调 <code>DubboNamespaceHandler</code>。</p>
diff --git a/zh-cn/docs/dev/impls/cache.html b/zh-cn/docs/dev/impls/cache.html
index 82c05e2..4f46c3a 100644
--- a/zh-cn/docs/dev/impls/cache.html
+++ b/zh-cn/docs/dev/impls/cache.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>用请求参数作为 key,缓存返回结果。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/cluster.html b/zh-cn/docs/dev/impls/cluster.html
index ed595e5..cbc91e2 100644
--- a/zh-cn/docs/dev/impls/cluster.html
+++ b/zh-cn/docs/dev/impls/cluster.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>当有多个服务提供方时,将多个服务提供方组织成一个集群,并伪装成一个提供方。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/compiler.html b/zh-cn/docs/dev/impls/compiler.html
index 6a56f2a..83be76f 100644
--- a/zh-cn/docs/dev/impls/compiler.html
+++ b/zh-cn/docs/dev/impls/compiler.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>Java 代码编译器,用于动态生成字节码,加速调用。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/config-center.html b/zh-cn/docs/dev/impls/config-center.html
index 6ec0c4c..a0dbe05 100644
--- a/zh-cn/docs/dev/impls/config-center.html
+++ b/zh-cn/docs/dev/impls/config-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>设计目的</h2>
 <p>配置中心的核心功能是作为Key-Value存储,Dubbo框架告知配置中心其关心的key,配置中心返回该key对应的value值。</p>
 <p>按照应用场景划分,配置中心在Dubbo框架中主要承担以下职责:</p>
diff --git a/zh-cn/docs/dev/impls/container.html b/zh-cn/docs/dev/impls/container.html
index e651f4d..3ca0da4 100644
--- a/zh-cn/docs/dev/impls/container.html
+++ b/zh-cn/docs/dev/impls/container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>服务容器扩展,用于自定义加载内容。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/dispatcher.html b/zh-cn/docs/dev/impls/dispatcher.html
index 4b97f98..001d16b 100644
--- a/zh-cn/docs/dev/impls/dispatcher.html
+++ b/zh-cn/docs/dev/impls/dispatcher.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>通道信息派发器,用于指定线程池模型。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/exchanger.html b/zh-cn/docs/dev/impls/exchanger.html
index a162b48..4db2ae7 100644
--- a/zh-cn/docs/dev/impls/exchanger.html
+++ b/zh-cn/docs/dev/impls/exchanger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>基于传输层之上,实现 Request-Response 信息交换语义。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/exporter-listener.html b/zh-cn/docs/dev/impls/exporter-listener.html
index 2fbc849..eff5713 100644
--- a/zh-cn/docs/dev/impls/exporter-listener.html
+++ b/zh-cn/docs/dev/impls/exporter-listener.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>当有服务暴露时,触发该事件。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/extension-factory.html b/zh-cn/docs/dev/impls/extension-factory.html
index c8be17a..4a0427d 100644
--- a/zh-cn/docs/dev/impls/extension-factory.html
+++ b/zh-cn/docs/dev/impls/extension-factory.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>扩展点本身的加载容器,可从不同容器加载扩展点。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/filter.html b/zh-cn/docs/dev/impls/filter.html
index 7b03cba..0af30c5 100644
--- a/zh-cn/docs/dev/impls/filter.html
+++ b/zh-cn/docs/dev/impls/filter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>服务提供方和服务消费方调用过程拦截,Dubbo 本身的大多功能均基于此扩展点实现,每次远程方法执行,该拦截都会被执行,请注意对性能的影响。</p>
 <p>约定:</p>
diff --git a/zh-cn/docs/dev/impls/introduction.html b/zh-cn/docs/dev/impls/introduction.html
index 0ba9cbe..6c6b496 100644
--- a/zh-cn/docs/dev/impls/introduction.html
+++ b/zh-cn/docs/dev/impls/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>SPI 扩展接口仅用于系统集成,或 Contributor 扩展功能插件。</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/dev/impls/invoker-listener.html b/zh-cn/docs/dev/impls/invoker-listener.html
index eefc0db..45c9ee3 100644
--- a/zh-cn/docs/dev/impls/invoker-listener.html
+++ b/zh-cn/docs/dev/impls/invoker-listener.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>当有服务引用时,触发该事件。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/load-balance.html b/zh-cn/docs/dev/impls/load-balance.html
index b830ad1..796e97b 100644
--- a/zh-cn/docs/dev/impls/load-balance.html
+++ b/zh-cn/docs/dev/impls/load-balance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>从多个服务提者方中选择一个进行调用</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/logger-adapter.html b/zh-cn/docs/dev/impls/logger-adapter.html
index 3396751..48178e2 100644
--- a/zh-cn/docs/dev/impls/logger-adapter.html
+++ b/zh-cn/docs/dev/impls/logger-adapter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>日志输出适配扩展点。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/merger.html b/zh-cn/docs/dev/impls/merger.html
index e4c21ec..127dfdf 100644
--- a/zh-cn/docs/dev/impls/merger.html
+++ b/zh-cn/docs/dev/impls/merger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>合并返回结果,用于分组聚合。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/monitor.html b/zh-cn/docs/dev/impls/monitor.html
index 46bc06a..d800654 100644
--- a/zh-cn/docs/dev/impls/monitor.html
+++ b/zh-cn/docs/dev/impls/monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>负责服务调用次和调用时间的监控。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/networker.html b/zh-cn/docs/dev/impls/networker.html
index b19c7c8..f8182ce 100644
--- a/zh-cn/docs/dev/impls/networker.html
+++ b/zh-cn/docs/dev/impls/networker.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>对等网络节点组网器。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/page.html b/zh-cn/docs/dev/impls/page.html
index 3975d71..75c02cf 100644
--- a/zh-cn/docs/dev/impls/page.html
+++ b/zh-cn/docs/dev/impls/page.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>对等网络节点组网器。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/protocol.html b/zh-cn/docs/dev/impls/protocol.html
index 5691796..1e760d7 100644
--- a/zh-cn/docs/dev/impls/protocol.html
+++ b/zh-cn/docs/dev/impls/protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>RPC 协议扩展,封装远程调用细节。</p>
 <p>契约:</p>
diff --git a/zh-cn/docs/dev/impls/proxy-factory.html b/zh-cn/docs/dev/impls/proxy-factory.html
index 8ef8345..01b3487 100644
--- a/zh-cn/docs/dev/impls/proxy-factory.html
+++ b/zh-cn/docs/dev/impls/proxy-factory.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>将 <code>Invoker</code> 接口转换成业务接口。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/registry.html b/zh-cn/docs/dev/impls/registry.html
index 057f4f9..0b90f78 100644
--- a/zh-cn/docs/dev/impls/registry.html
+++ b/zh-cn/docs/dev/impls/registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>负责服务的注册与发现。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/remoting.html b/zh-cn/docs/dev/impls/remoting.html
index 7074369..d871ebd 100644
--- a/zh-cn/docs/dev/impls/remoting.html
+++ b/zh-cn/docs/dev/impls/remoting.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>远程通讯的服务器及客户端传输实现。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/router.html b/zh-cn/docs/dev/impls/router.html
index d65cd4b..b33e9b0 100644
--- a/zh-cn/docs/dev/impls/router.html
+++ b/zh-cn/docs/dev/impls/router.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>从多个服务提者方中选择一个进行调用。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/serialize.html b/zh-cn/docs/dev/impls/serialize.html
index d635a9e..900d196 100644
--- a/zh-cn/docs/dev/impls/serialize.html
+++ b/zh-cn/docs/dev/impls/serialize.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>将对象转成字节流,用于网络传输,以及将字节流转为对象,用于在收到字节流数据后还原成对象。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/status-checker.html b/zh-cn/docs/dev/impls/status-checker.html
index adcbed6..0d41f95 100644
--- a/zh-cn/docs/dev/impls/status-checker.html
+++ b/zh-cn/docs/dev/impls/status-checker.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>检查服务依赖各种资源的状态,此状态检查可同时用于 telnet 的 status 命令和 hosting 的 status 页面。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/telnet-handler.html b/zh-cn/docs/dev/impls/telnet-handler.html
index 9a0c0e3..029e8cf 100644
--- a/zh-cn/docs/dev/impls/telnet-handler.html
+++ b/zh-cn/docs/dev/impls/telnet-handler.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>所有服务器均支持 telnet 访问,用于人工干预。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/threadpool.html b/zh-cn/docs/dev/impls/threadpool.html
index 239e5c7..6f4b70d 100644
--- a/zh-cn/docs/dev/impls/threadpool.html
+++ b/zh-cn/docs/dev/impls/threadpool.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>服务提供方线程程实现策略,当服务器收到一个请求时,需要在线程池中创建一个线程去执行服务提供方业务逻辑。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/impls/validation.html b/zh-cn/docs/dev/impls/validation.html
index d636c45..725281a 100644
--- a/zh-cn/docs/dev/impls/validation.html
+++ b/zh-cn/docs/dev/impls/validation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>扩展说明</h2>
 <p>参数验证扩展点。</p>
 <h2>扩展接口</h2>
diff --git a/zh-cn/docs/dev/introduction.html b/zh-cn/docs/dev/introduction.html
index 060590d..3d89aa5 100644
--- a/zh-cn/docs/dev/introduction.html
+++ b/zh-cn/docs/dev/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/dev/principals/code-detail.html b/zh-cn/docs/dev/principals/code-detail.html
index de4b582..98bdc71 100644
--- a/zh-cn/docs/dev/principals/code-detail.html
+++ b/zh-cn/docs/dev/principals/code-detail.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1056664">http://javatar.iteye.com/blog/1056664</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/configuration.html b/zh-cn/docs/dev/principals/configuration.html
index 23ad59a..45bc2e5 100644
--- a/zh-cn/docs/dev/principals/configuration.html
+++ b/zh-cn/docs/dev/principals/configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/949527">http://javatar.iteye.com/blog/949527</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/dummy.html b/zh-cn/docs/dev/principals/dummy.html
index e0f48e2..effaa1e 100644
--- a/zh-cn/docs/dev/principals/dummy.html
+++ b/zh-cn/docs/dev/principals/dummy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/804187">http://javatar.iteye.com/blog/804187</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/expansibility.html b/zh-cn/docs/dev/principals/expansibility.html
index 163a385..005a68b 100644
--- a/zh-cn/docs/dev/principals/expansibility.html
+++ b/zh-cn/docs/dev/principals/expansibility.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/690845">http://javatar.iteye.com/blog/690845</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/extension.html b/zh-cn/docs/dev/principals/extension.html
index 935b7ef..f18cb9e 100644
--- a/zh-cn/docs/dev/principals/extension.html
+++ b/zh-cn/docs/dev/principals/extension.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1041832">http://javatar.iteye.com/blog/1041832</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/general-knowledge.html b/zh-cn/docs/dev/principals/general-knowledge.html
index 5c51662..b8c0297 100644
--- a/zh-cn/docs/dev/principals/general-knowledge.html
+++ b/zh-cn/docs/dev/principals/general-knowledge.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/706098">http://javatar.iteye.com/blog/706098</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/principals/introduction.html b/zh-cn/docs/dev/principals/introduction.html
index 3a64834..25cbb0b 100644
--- a/zh-cn/docs/dev/principals/introduction.html
+++ b/zh-cn/docs/dev/principals/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本章节的设计原则摘录自梁飞在 javaeye 上发表的系列文章。</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/dev/principals/robustness.html b/zh-cn/docs/dev/principals/robustness.html
index 3e27ff1..72d619c 100644
--- a/zh-cn/docs/dev/principals/robustness.html
+++ b/zh-cn/docs/dev/principals/robustness.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <blockquote>
 <p><a href="http://oldratlee.com/380/tech/java/robustness-of-implement.html">http://oldratlee.com/380/tech/java/robustness-of-implement.html</a></p>
 </blockquote>
diff --git a/zh-cn/docs/dev/release.html b/zh-cn/docs/dev/release.html
index 81d9aa1..71522eb 100644
--- a/zh-cn/docs/dev/release.html
+++ b/zh-cn/docs/dev/release.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><strong>新功能的开发</strong> 和 <strong>稳定性的提高</strong> 对产品都很重要。但是添加新功能会影响稳定性,Dubbo 使用如下的版本开发模式来保障两者。</p>
 <h2>2 个版本并行开发</h2>
 <ul>
diff --git a/zh-cn/docs/developers/committer-guide/apache-dubbo-page_dev.html b/zh-cn/docs/developers/committer-guide/apache-dubbo-page_dev.html
index 02f7a16..e1516d8 100644
--- a/zh-cn/docs/developers/committer-guide/apache-dubbo-page_dev.html
+++ b/zh-cn/docs/developers/committer-guide/apache-dubbo-page_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Apache有一个官方的网站,用来维护所有的孵化项目的信息。每一个孵化项目在这个网站下都有一个信息页。
 Dubbo的信息页地址是<a href="https://incubator.apache.org/projects/dubbo.html">https://incubator.apache.org/projects/dubbo.html</a>。</p>
 <p>当项目发生比较大的变化,比如新的committer的加入,新的PMC的当选,或是新版本的Release等,都需要将这些更新信息维护到这个页面。
diff --git a/zh-cn/docs/developers/committer-guide/label-an-issue-guide_dev.html b/zh-cn/docs/developers/committer-guide/label-an-issue-guide_dev.html
index 2d4ae7e..77acb89 100644
--- a/zh-cn/docs/developers/committer-guide/label-an-issue-guide_dev.html
+++ b/zh-cn/docs/developers/committer-guide/label-an-issue-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果您正在处理一个问题,请记得<strong>给这个问题标记一个或者多个您认为有意义的标签</strong>。有了标签,其他开发人员就会很轻松地识别出问题,以便对其进行分类并跟踪进度。</p>
 <p>对于需要编码和发版修复的issues和pull requests,需要您<strong>将其标记为<a href="https://github.com/apache/incubator*dubbo/milestones">milestone</a></strong>。</p>
 <p>一些常用的标签:</p>
diff --git a/zh-cn/docs/developers/committer-guide/new-committer-guide_dev.html b/zh-cn/docs/developers/committer-guide/new-committer-guide_dev.html
index 358a21b..b5b7b9f 100644
--- a/zh-cn/docs/developers/committer-guide/new-committer-guide_dev.html
+++ b/zh-cn/docs/developers/committer-guide/new-committer-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>一、Apache 提交者的产生</h2>
 <h3>项目孵化初始化提交者</h3>
 <p>项目孵化阶段,在孵化项目提案中,会有初始化提交者列表这一选项。确认你是初始化提交者的一员。项目在 apache 孵化器社区投票通过后,提交者可以开始准备注册账户了。可以参看<a href="https://wiki.apache.org/incubator/">孵化器 wiki</a></p>
diff --git a/zh-cn/docs/developers/committer-guide/release-guide_dev.html b/zh-cn/docs/developers/committer-guide/release-guide_dev.html
index 96d017f..79105d0 100644
--- a/zh-cn/docs/developers/committer-guide/release-guide_dev.html
+++ b/zh-cn/docs/developers/committer-guide/release-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>理解Apache发布的内容和流程</h2>
 <p>总的来说,Source Release是Apache关注的重点,也是发布的必须内容;而Binary Release是可选项,Dubbo可以选择是否发布二进制包到Apache仓库或者发布到Maven中央仓库。</p>
 <p>请参考以下链接,找到更多关于ASF的发布指南:</p>
diff --git a/zh-cn/docs/developers/committer-guide/website-guide_dev.html b/zh-cn/docs/developers/committer-guide/website-guide_dev.html
index a807b53..acb2be7 100644
--- a/zh-cn/docs/developers/committer-guide/website-guide_dev.html
+++ b/zh-cn/docs/developers/committer-guide/website-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <ol>
 <li>Apache Dubbo 的网站仓库是 <a href="https://github.com/apache/dubbo-website">https://github.com/apache/dubbo-website</a></li>
 <li>网站构建完毕后,它会被自动发布到 <a href="http://dubbo.apache.org">dubbo.apache.org</a>,您也可以通过 <a href="https://selfserve.apache.org">https://selfserve.apache.org</a> 手动触发(需要使用 Apache 账号登陆)</li>
diff --git a/zh-cn/docs/developers/contributor-guide/become-a-committer_dev.html b/zh-cn/docs/developers/contributor-guide/become-a-committer_dev.html
index d35465e..e6802f0 100644
--- a/zh-cn/docs/developers/contributor-guide/become-a-committer_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/become-a-committer_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本文描述如何成为Dubbo committer</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/developers/contributor-guide/cla-signing-guide_dev.html b/zh-cn/docs/developers/contributor-guide/cla-signing-guide_dev.html
index f54d5ff..307d9bb 100644
--- a/zh-cn/docs/developers/contributor-guide/cla-signing-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/cla-signing-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>以下情况,需要您签署Apache ICLA:</p>
 <ul>
 <li>在Dubbo被捐赠给Apache之前,您已经为Dubbo作出了很多贡献,并且您以前没有签署过Alibaba-CLA。</li>
diff --git a/zh-cn/docs/developers/contributor-guide/dubbo-extension-guide_dev.html b/zh-cn/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
index df287bf..49390bc 100644
--- a/zh-cn/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/dubbo-extension-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo使用微内核+插件的设计模式。内核只负责组装插件,Dubbo的功能都是由扩展点(插件)实现,这就意味着Dubbo的所有功能都可以被用户定制的扩展所替代。</p>
 <h3>Dubbo生态系统</h3>
 <p>我们建议您将扩展加入到Dubbo生态系统。使用这种模式,可以使Dubbo的核心仓库更干净,并且可以减少维护工作。更少的代码也可以提高核心仓库的构建速度。</p>
diff --git a/zh-cn/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html b/zh-cn/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
index b47d7cb..392f49f 100644
--- a/zh-cn/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/mailing-list-subscription-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Apache incubator的Dubbo开发者邮件列表(dev@dubbo.apache.org)已经建立,请随时订阅并参考[^1]获取更多细节。</p>
 <p>你也可以直接查看<a href="https://lists.apache.org/list.html?dev@dubbo.apache.org">历史邮件</a></p>
 <p>下面是一个关于Dubbo邮件列表订阅的简短指南:</p>
diff --git a/zh-cn/docs/developers/contributor-guide/new-contributor-guide_dev.html b/zh-cn/docs/developers/contributor-guide/new-contributor-guide_dev.html
index 473ddfc..6c69a0a 100644
--- a/zh-cn/docs/developers/contributor-guide/new-contributor-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/new-contributor-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>这篇向导旨在给正在准备向Dubbo提交贡献的新手提供指导。</p>
 <h3>邮件列表描述</h3>
 <p>邮件列表是Dubbo官方推荐的讨论方式,所有与Dubbo相关的内容都可以在这里讨论,请点击 <a href="https://github.com/apache/dubbo/issues/1393">issue</a> 了解更多关于邮件列表订阅的内容</p>
diff --git a/zh-cn/docs/developers/contributor-guide/reporting-security-issues_dev.html b/zh-cn/docs/developers/contributor-guide/reporting-security-issues_dev.html
index 39b5309..2ffbaa1 100644
--- a/zh-cn/docs/developers/contributor-guide/reporting-security-issues_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/reporting-security-issues_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>The Apache Software Foundation takes a rigorous standpoint in annihilating the security issues in its software projects. Apache Dubbo is highly sensitive and forthcoming to issues pertaining to its features and functionality.</p>
 <h2>REPORTING VULNERABILITY</h2>
 <p>If you have apprehensions regarding Dubbo's security or you discover vulnerability or potential threat, don’t hesitate to get in touch with the Apache Dubbo Security Team by dropping a mail at <a href="mailto:security@dubbo.apache.org">security@dubbo.apache.org</a>. In the mail, specify the description of the issue or potential threat. You are also urged to recommend the way to reproduce and replicate the issue. The Dubbo community will get back to you after assessing and analysing th [...]
diff --git a/zh-cn/docs/developers/contributor-guide/software-donation-guide_dev.html b/zh-cn/docs/developers/contributor-guide/software-donation-guide_dev.html
index 00d9a1e..513cf64 100644
--- a/zh-cn/docs/developers/contributor-guide/software-donation-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/software-donation-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在您阅读这篇指南之前,请确保您已经向PMC确认了实际需要的SGA。</p>
 <p>如果您向Apache Dubbo 捐赠了大量的代码或文档,则需要在合并代码或者文档之前签署<a href="https://www.apache.org/licenses/#grants">软件授权书</a>。</p>
 <h3>操作步骤</h3>
diff --git a/zh-cn/docs/developers/contributor-guide/test-coverage-guide_dev.html b/zh-cn/docs/developers/contributor-guide/test-coverage-guide_dev.html
index 80bd2d8..1652751 100644
--- a/zh-cn/docs/developers/contributor-guide/test-coverage-guide_dev.html
+++ b/zh-cn/docs/developers/contributor-guide/test-coverage-guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h3>1.写单元测试的收益</h3>
 <ul>
 <li>单元测试能帮助每个人深入代码细节,了解代码的功能。</li>
diff --git a/zh-cn/docs/developers/developers_dev.html b/zh-cn/docs/developers/developers_dev.html
index fdbb38a..fcc5295 100644
--- a/zh-cn/docs/developers/developers_dev.html
+++ b/zh-cn/docs/developers/developers_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本页面展示了Dubbo的开发团队。请通过提交PR的方式把自己的信息添加到列表上。注:排名不分先后</p>
 <h3>提交者</h3>
 <table>
diff --git a/zh-cn/docs/developers/guide_dev.html b/zh-cn/docs/developers/guide_dev.html
index cf3e5c5..4dca036 100644
--- a/zh-cn/docs/developers/guide_dev.html
+++ b/zh-cn/docs/developers/guide_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo是在非限制性的Apache 2.0许可下发布的,遵循标准的Github开发流程,使用Github追踪处理问题,并将pull request合并到master中。如果您想为Dubbo 做贡献(即便是一些微小的),请不要犹豫,遵循下面的指导方针。</p>
 <h3>签署贡献者许可协议</h3>
 <p>在我们接受一个补丁或pull request之前,我们需要您签署贡献者许可协议。签署贡献者协议并不授予任何人对代码仓库的提交权限,但是它意味着我们可以接受您的贡献,并且如果我们这样做,您将获得一个作者标注。主动贡献者可能会被邀请加入核心团队,并有权限合并pull request。</p>
diff --git a/zh-cn/docs/developers/user-guide/faq_dev.html b/zh-cn/docs/developers/user-guide/faq_dev.html
index 15bdf42..b99f15d 100644
--- a/zh-cn/docs/developers/user-guide/faq_dev.html
+++ b/zh-cn/docs/developers/user-guide/faq_dev.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h3>dubbo-admin在哪里?</h3>
 <p>从Dubbo 2.6.1版本开始,dubbo-admin已经从核心库迁移到https://github.com/apache/dubbo-admin</p>
 <h3>我应该选择哪个版本?</h3>
diff --git a/zh-cn/docs/source_code_guide/adaptive-extension.html b/zh-cn/docs/source_code_guide/adaptive-extension.html
index 8740dec..771eab9 100644
--- a/zh-cn/docs/source_code_guide/adaptive-extension.html
+++ b/zh-cn/docs/source_code_guide/adaptive-extension.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在 Dubbo 中,很多拓展都是通过 SPI 机制进行加载的,比如 Protocol、Cluster、LoadBalance 等。有时,有些拓展并不想在框架启动阶段被加载,而是希望在拓展方法被调用时,根据运行时参数进行加载。这听起来有些矛盾。拓展未被加载,那么拓展方法就无法被调用(静态方法除外)。拓展方法未被调用,拓展就无法被加载。对于这个矛盾的问题,Dubbo 通过自适应拓展机制很好的解决了。自适应拓展机制的实现逻辑比较复杂,首先 Dubbo 会为拓展接口生成具有代理功能的代码。然后通过 javassist 或 jdk 编译这段代码,得到 Class 类。最后再通过反射创建代理类,整个过程比较复杂。为了让大家对自适应拓展有一个感性的认识,下面我们通过一个示例进行演示。这是一个与汽车相关的例子,我们有一个车轮制造厂接口 WheelMaker:</p>
 <pre><code class="language-java"><span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">WheelMaker</span> </span>{
     <span class="hljs-function">Wheel <span class="hljs-title">makeWheel</span><span class="hljs-params">(URL url)</span></span>;
diff --git a/zh-cn/docs/source_code_guide/cluster.html b/zh-cn/docs/source_code_guide/cluster.html
index 75d1f4f..1bda133 100644
--- a/zh-cn/docs/source_code_guide/cluster.html
+++ b/zh-cn/docs/source_code_guide/cluster.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>为了避免单点故障,现在的应用通常至少会部署在两台服务器上。对于一些负载比较高的服务,会部署更多的服务器。这样,在同一环境下的服务提供者数量会大于1。对于服务消费者来说,同一环境下出现了多个服务提供者。这时会出现一个问题,服务消费者需要决定选择哪个服务提供者进行调用。另外服务调用失败时的处理措施也是需要考虑的,是重试呢,还是抛出异常,亦或是只打印异常等。为了处理这些问题,Dubbo 定义了集群接口 Cluster 以及 Cluster Invoker。集群 Cluster 用途是将多个服务提供者合并为一个 Cluster Invoker,并将这个 Invoker 暴露给服务消费者。这样一来,服务消费者只需通过这个 Invoker 进行远程调用即可,至于具体调用哪个服务提供者,以及调用失败后如何处理等问题,现在都交给集群模块去处理。集群模块是服务提供者和服�
 ��消费者的中间层,为服务消费者屏蔽了服务提供者的情况,这样服务消费者就可以专心处理远程调用相关事宜。比如发请求,接受服务提供者返回的数据等。这就是集群的作用。</p>
 <p>Dubbo 提供了多种集群实现,包含但不限于 Failover Cluster、Failfast Cluster 和 Failsafe Cluster 等。每种集群实现类的用途不同,接下来会一一进行分析。</p>
 <h2>2. 集群容错</h2>
diff --git a/zh-cn/docs/source_code_guide/directory.html b/zh-cn/docs/source_code_guide/directory.html
index b5cf88e..ee0ecaf 100644
--- a/zh-cn/docs/source_code_guide/directory.html
+++ b/zh-cn/docs/source_code_guide/directory.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本篇文章,将开始分析 Dubbo 集群容错方面的源码。集群容错源码包含四个部分,分别是服务目录 Directory、服务路由 Router、集群 Cluster 和负载均衡 LoadBalance。这几个部分的源码逻辑相对比较独立,我们将会分四篇文章进行分析。本篇文章作为集群容错的开篇文章,将和大家一起分析服务目录相关的源码。在进行深入分析之前,我们先来了解一下服务目录是什么。服务目录中存储了一些和服务提供者有关的信息,通过服务目录,服务消费者可获取到服务提供者的信息,比如 ip、端口、服务协议等。通过这些信息,服务消费者就可通过 Netty 等客户端进行远程调用。在一个服务集群中,服务提供者数量并不是一成不变的,如果集群中新增了一台机器,相应地在服务目录中就要新增一条服务提供者记录。或者,如果服务提供者的配置修改了,服务目录
 中的记录也要做相应的更新。如果这样说,服务目录和注册中心的功能不就雷同了吗?确实如此,这里这么说是为了方便大家理解。实际上服务目录在获取注册中心的服务配置信息后,会为每条配置信息生成一个 Invoker 对象,并把这个 Invoker 对象存 [...]
 <p>关于服务目录这里就先介绍这些,大家先有个大致印象。接下来我们通过继承体系图来了解一下服务目录的家族成员都有哪些。</p>
 <h2>2. 继承体系</h2>
diff --git a/zh-cn/docs/source_code_guide/dubbo-spi.html b/zh-cn/docs/source_code_guide/dubbo-spi.html
index 61f6446..c7f41de 100644
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 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>SPI 全称为 Service Provider Interface,是一种服务发现机制。SPI 的本质是将接口实现类的全限定名配置在文件中,并由服务加载器读取配置文件,加载实现类。这样可以在运行时,动态为接口替换实现类。正因此特性,我们可以很容易的通过 SPI 机制为我们的程序提供拓展功能。SPI 机制在第三方框架中也有所应用,比如 Dubbo 就是通过 SPI 机制加载所有的组件。不过,Dubbo 并未使用 Java 原生的 SPI 机制,而是对其进行了增强,使其能够更好的满足需求。在 Dubbo 中,SPI 是一个非常重要的模块。基于 SPI,我们可以很容易的对 Dubbo 进行拓展。如果大家想要学习 Dubbo 的源码,SPI 机制务必弄懂。接下来,我们先来了解一下 Java SPI 与 Dubbo SPI 的用法,然后再来分析 Dubbo SPI 的源码。</p>
 <p>需要特别说明的是,本篇文章以及本系列其他文章所分析的源码版本均为 <strong>dubbo-2.6.4</strong>。因此大家在阅读文章的过程中,需注意将代码版本切换到 dubbo-2.6.4 tag 上。</p>
 <h2>2.SPI 示例</h2>
diff --git a/zh-cn/docs/source_code_guide/export-service.html b/zh-cn/docs/source_code_guide/export-service.html
index f423626..3f49250 100644
--- a/zh-cn/docs/source_code_guide/export-service.html
+++ b/zh-cn/docs/source_code_guide/export-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本篇文章,我们来研究一下 Dubbo 导出服务的过程。Dubbo 服务导出过程始于 Spring 容器发布刷新事件,Dubbo 在接收到事件后,会立即执行服务导出逻辑。整个逻辑大致可分为三个部分,第一部分是前置工作,主要用于检查参数,组装 URL。第二部分是导出服务,包含导出服务到本地 (JVM),和导出服务到远程两个过程。第三部分是向注册中心注册服务,用于服务发现。本篇文章将会对这三个部分代码进行详细的分析。</p>
 <h2>2.源码分析</h2>
 <p>服务导出的入口方法是 ServiceBean 的 onApplicationEvent。onApplicationEvent 是一个事件响应方法,该方法会在收到 Spring 上下文刷新事件后执行服务导出操作。方法代码如下:</p>
diff --git a/zh-cn/docs/source_code_guide/loadbalance.html b/zh-cn/docs/source_code_guide/loadbalance.html
index 43dda6c..975a8d5 100644
--- a/zh-cn/docs/source_code_guide/loadbalance.html
+++ b/zh-cn/docs/source_code_guide/loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>LoadBalance 中文意思为负载均衡,它的职责是将网络请求,或者其他形式的负载“均摊”到不同的机器上。避免集群中部分服务器压力过大,而另一些服务器比较空闲的情况。通过负载均衡,可以让每台服务器获取到适合自己处理能力的负载。在为高负载服务器分流的同时,还可以避免资源浪费,一举两得。负载均衡可分为软件负载均衡和硬件负载均衡。在我们日常开发中,一般很难接触到硬件负载均衡。但软件负载均衡还是可以接触到的,比如 Nginx。在 Dubbo 中,也有负载均衡的概念和相应的实现。Dubbo 需要对服务消费者的调用请求进行分配,避免少数服务提供者负载过大。服务提供者负载过大,会导致部分请求超时。因此将负载均衡到每个服务提供者上,是非常必要的。Dubbo 提供了4种负载均衡实现,分别是基于权重随机算法的 RandomLoadBalance�
 �基于最少活跃调用数算法的 LeastActiveLoadBalance、基于 hash 一致性的 ConsistentHashLoadBalance,以及基于加权轮询算法的 RoundRobinLoadBalance。这几个负载均衡算法代码 [...]
 <p>本系列文章在编写之初是基于 Dubbo 2.6.4 的,近期,Dubbo 2.6.5 发布了,其中就有针对对负载均衡部分的优化。因此我们在分析完 2.6.4 版本后的源码后,会另外分析 2.6.5 更新的部分。其他的就不多说了,进入正题吧。</p>
 <h2>2.源码分析</h2>
diff --git a/zh-cn/docs/source_code_guide/refer-service.html b/zh-cn/docs/source_code_guide/refer-service.html
index 5a126b0..3e1592c 100644
--- a/zh-cn/docs/source_code_guide/refer-service.html
+++ b/zh-cn/docs/source_code_guide/refer-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>上一篇文章详细分析了服务导出的过程,本篇文章我们趁热打铁,继续分析服务引用过程。在 Dubbo 中,我们可以通过两种方式引用远程服务。第一种是使用服务直连的方式引用服务,第二种方式是基于注册中心进行引用。服务直连的方式仅适合在调试或测试服务的场景下使用,不适合在线上环境使用。因此,本文我将重点分析通过注册中心引用服务的过程。从注册中心中获取服务配置只是服务引用过程中的一环,除此之外,服务消费者还需要经历 Invoker 创建、代理类创建等步骤。这些步骤,将在后续章节中一一进行分析。</p>
 <h2>2.服务引用原理</h2>
 <p>Dubbo 服务引用的时机有两个,第一个是在 Spring 容器调用 ReferenceBean 的 afterPropertiesSet 方法时引用服务,第二个是在 ReferenceBean 对应的服务被注入到其他类中时引用。这两个引用服务的时机区别在于,第一个是饿汉式的,第二个是懒汉式的。默认情况下,Dubbo 使用懒汉式引用服务。如果需要使用饿汉式,可通过配置 &lt;dubbo:reference&gt; 的 init 属性开启。下面我们按照 Dubbo 默认配置进行分析,整个分析过程从 ReferenceBean 的 getObject 方法开始。当我们的服务被注入到其他类中时,Spring 会第一时间调用 getObject 方法,并由该方法执行服务引用逻辑。按照惯例,在进行具体工作之前,需先进行配置检查与收集工作。接着根据收集到的信息决定服务用的方式,有三种,第一种是引用本地 (JVM) 服务,第二是通过直连方式引用远程服务,第三是通过注册中心引�
 ��远程服务。不管是哪种引用方式,最后都会得到一个 Invoker 实例。如果有多个注册中心,多个服务提供 [...]
diff --git a/zh-cn/docs/source_code_guide/router.html b/zh-cn/docs/source_code_guide/router.html
index c83511c..b22afbe 100644
--- a/zh-cn/docs/source_code_guide/router.html
+++ b/zh-cn/docs/source_code_guide/router.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>上一篇文章分析了集群容错的第一部分 — 服务目录 Directory。服务目录在刷新 Invoker 列表的过程中,会通过 Router 进行服务路由,筛选出符合路由规则的服务提供者。在详细分析服务路由的源码之前,先来介绍一下服务路由是什么。服务路由包含一条路由规则,路由规则决定了服务消费者的调用目标,即规定了服务消费者可调用哪些服务提供者。Dubbo 目前提供了三种服务路由实现,分别为条件路由 ConditionRouter、脚本路由 ScriptRouter 和标签路由 TagRouter。其中条件路由是我们最常使用的,标签路由是一个新的实现,暂时还未发布,该实现预计会在 2.7.x 版本中发布。本篇文章将分析条件路由相关源码,脚本路由和标签路由这里就不分析了。</p>
 <h2>2. 源码分析</h2>
 <p>条件路由规则由两个条件组成,分别用于对服务消费者和提供者进行匹配。比如有这样一条规则:</p>
diff --git a/zh-cn/docs/source_code_guide/service-invoking-process.html b/zh-cn/docs/source_code_guide/service-invoking-process.html
index 4461a55..0946f79 100644
--- a/zh-cn/docs/source_code_guide/service-invoking-process.html
+++ b/zh-cn/docs/source_code_guide/service-invoking-process.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在前面的文章中,我们分析了 Dubbo SPI、服务导出与引入、以及集群容错方面的代码。经过前文的铺垫,本篇文章我们终于可以分析服务调用过程了。Dubbo 服务调用过程比较复杂,包含众多步骤,比如发送请求、编解码、服务降级、过滤器链处理、序列化、线程派发以及响应请求等步骤。限于篇幅原因,本篇文章无法对所有的步骤一一进行分析。本篇文章将会重点分析请求的发送与接收、编解码、线程派发以及响应的发送与接收等过程,至于服务降级、过滤器链和序列化大家自行进行分析,也可以将其当成一个黑盒,暂时忽略也没关系。介绍完本篇文章要分析的内容,接下来我们进入正题吧。</p>
 <h2>2. 源码分析</h2>
 <p>在进行源码分析之前,我们先来通过一张图了解 Dubbo 服务调用过程。</p>
diff --git a/zh-cn/docs/user/README.html b/zh-cn/docs/user/README.html
index 87a5688..a5940a3 100644
--- a/zh-cn/docs/user/README.html
+++ b/zh-cn/docs/user/README.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果你正依赖<code>dubbo</code>作为你业务工程的RPC通信框架,这里可以作为你的参考手册</p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/user/SUMMARY.html b/zh-cn/docs/user/SUMMARY.html
index b7a740a..6abfe06 100644
--- a/zh-cn/docs/user/SUMMARY.html
+++ b/zh-cn/docs/user/SUMMARY.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <ul>
 <li><a href="./preface/index.md">1 入门</a>
 <ul>
diff --git a/zh-cn/docs/user/benchmark-tool.html b/zh-cn/docs/user/benchmark-tool.html
index b7fe4d7..493105b 100644
--- a/zh-cn/docs/user/benchmark-tool.html
+++ b/zh-cn/docs/user/benchmark-tool.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <ul>
 <li>下载源码: git clone <a href="https://github.com/apache/dubbo.git">https://github.com/apache/dubbo.git</a></li>
 <li>编译benchmark: cd dubbo/dubbo-test/dubbo-test-benchmark; mvn clean install</li>
diff --git a/zh-cn/docs/user/best-practice.html b/zh-cn/docs/user/best-practice.html
index e190672..570b4e2 100644
--- a/zh-cn/docs/user/best-practice.html
+++ b/zh-cn/docs/user/best-practice.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>分包</h2>
 <p>建议将服务接口、服务模型、服务异常等均放在 API 包中,因为服务模型和异常也是 API 的一部分,这样做也符合分包原则:重用发布等价原则(REP),共同重用原则(CRP)。</p>
 <p>如果需要,也可以考虑在 API 包中放置一份 Spring 的引用配置,这样使用方只需在 Spring 加载过程中引用此配置即可。配置建议放在模块的包目录下,以免冲突,如:<code>com/alibaba/china/xxx/dubbo-reference.xml</code>。</p>
diff --git a/zh-cn/docs/user/capacity-plan.html b/zh-cn/docs/user/capacity-plan.html
index 18776fa..fcadaac 100644
--- a/zh-cn/docs/user/capacity-plan.html
+++ b/zh-cn/docs/user/capacity-plan.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>以下数据供参考:</p>
 <h2>使用 Dubbo 的会员服务项目</h2>
 <ul>
diff --git a/zh-cn/docs/user/configuration/annotation.html b/zh-cn/docs/user/configuration/annotation.html
index deb38a0..e89128b 100644
--- a/zh-cn/docs/user/configuration/annotation.html
+++ b/zh-cn/docs/user/configuration/annotation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>需要 <code>2.6.3</code> 及以上版本支持
 点此查看<a href="https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-annotation">完整示例</a></p>
 <h2>服务提供方</h2>
diff --git a/zh-cn/docs/user/configuration/api.html b/zh-cn/docs/user/configuration/api.html
index 608e8f9..c153780 100644
--- a/zh-cn/docs/user/configuration/api.html
+++ b/zh-cn/docs/user/configuration/api.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>API 属性与配置项一对一,各属性含义,请参见:<a href="../references/xml/introduction.md">配置参考手册</a>,比如:<code>ApplicationConfig.setName(&quot;xxx&quot;)</code> 对应  <code>&lt;dubbo:application name=&quot;xxx&quot; /&gt;</code> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>服务提供者</h2>
 <pre><code class="language-java"><span class="hljs-keyword">import</span> org.apache.dubbo.rpc.config.ApplicationConfig;
diff --git a/zh-cn/docs/user/configuration/config-center.html b/zh-cn/docs/user/configuration/config-center.html
index e75190a..fd15bf3 100644
--- a/zh-cn/docs/user/configuration/config-center.html
+++ b/zh-cn/docs/user/configuration/config-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>配置中心(v2.7.0)在Dubbo中承担两个职责:</p>
 <ol>
 <li>外部化配置。启动配置的集中式存储 (简单理解为dubbo.properties的外部化存储)。</li>
diff --git a/zh-cn/docs/user/configuration/configuration-load-process.html b/zh-cn/docs/user/configuration/configuration-load-process.html
index 9e2ffd7..6a1a58f 100644
--- a/zh-cn/docs/user/configuration/configuration-load-process.html
+++ b/zh-cn/docs/user/configuration/configuration-load-process.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>此篇文档主要讲在<strong>应用启动阶段,Dubbo框架如何将所需要的配置采集起来</strong>(包括应用配置、注册中心配置、服务配置等),以完成服务的暴露和引用流程。</p>
 <p>根据驱动方式的不同(比如Spring或裸API编程)配置形式上肯定会有所差异,具体请参考<a href="./xml.md">XML配置</a>、<a href="./annotation.md">Annotation配置</a>、<a href="./api.md">API配置</a>三篇文档。除了外围驱动方式上的差异,Dubbo的配置读取总体上遵循了以下几个原则:</p>
 <ol>
diff --git a/zh-cn/docs/user/configuration/environment-variables.html b/zh-cn/docs/user/configuration/environment-variables.html
index 46e90cf..683b7f9 100644
--- a/zh-cn/docs/user/configuration/environment-variables.html
+++ b/zh-cn/docs/user/configuration/environment-variables.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>从2.7.3版本开始,Dubbo会自动从约定key中读取配置,并将配置以Key-Value的形式写入到URL中。</p>
 <p>支持的key有以下两个:</p>
 <ol>
diff --git a/zh-cn/docs/user/configuration/index.html b/zh-cn/docs/user/configuration/index.html
index c2c415a..b74522a 100644
--- a/zh-cn/docs/user/configuration/index.html
+++ b/zh-cn/docs/user/configuration/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/user/configuration/properties-deprecated.html b/zh-cn/docs/user/configuration/properties-deprecated.html
index 1a2f953..e20c9e6 100644
--- a/zh-cn/docs/user/configuration/properties-deprecated.html
+++ b/zh-cn/docs/user/configuration/properties-deprecated.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果公共配置很简单,没有多注册中心,多协议等情况,或者想多个 Spring 容器想共享配置,可以使用 dubbo.properties 作为缺省配置。</p>
 <p>Dubbo 将自动加载 classpath 根目录下的 dubbo.properties,可以通过JVM启动参数 <code>-Ddubbo.properties.file=xxx.properties</code> 改变缺省配置位置。<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>映射规则</h2>
diff --git a/zh-cn/docs/user/configuration/xml.html b/zh-cn/docs/user/configuration/xml.html
index 38f719f..8707e0b 100644
--- a/zh-cn/docs/user/configuration/xml.html
+++ b/zh-cn/docs/user/configuration/xml.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>有关 XML 的详细配置项,请参见:<a href="../references/xml/introduction.md">配置参考手册</a>。如果不想使用 Spring 配置,而希望通过 API 的方式进行调用,请参见:<a href="./api.md">API配置</a>。想知道如何使用配置,请参见:<a href="../quick-start.md">快速启动</a>。</p>
 <p>请在此查看文档描述的<a href="https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-basic">完整示例</a></p>
 <h2>provider.xml 示例</h2>
diff --git a/zh-cn/docs/user/coveragence.html b/zh-cn/docs/user/coveragence.html
index d8dfb15..c5befa1 100644
--- a/zh-cn/docs/user/coveragence.html
+++ b/zh-cn/docs/user/coveragence.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <ul>
 <li>v2.0   Codecov报表 , 从2017-12-29后开始统计
 测试覆盖率为 : <a href="https://codecov.io/gh/apache/dubbo"><img src="https://codecov.io/gh/apache/dubbo/branch/master/graph/badge.svg" alt="codecov"></a> , 可以从 <a href="https://codecov.io/gh/apache/dubbo">https://codecov.io/gh/apache/dubbo</a> 页面得到覆盖率报表</li>
diff --git a/zh-cn/docs/user/demos/accesslog.html b/zh-cn/docs/user/demos/accesslog.html
index 0272666..c990166 100644
--- a/zh-cn/docs/user/demos/accesslog.html
+++ b/zh-cn/docs/user/demos/accesslog.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果你想记录每一次请求信息,可开启访问日志,类似于apache的访问日志。<strong>注意</strong>:此日志量比较大,请注意磁盘容量。</p>
 <p>将访问日志输出到当前应用的log4j日志:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">accesslog</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/async-call-deprecated.html b/zh-cn/docs/user/demos/async-call-deprecated.html
index 6386cd3..0579511 100644
--- a/zh-cn/docs/user/demos/async-call-deprecated.html
+++ b/zh-cn/docs/user/demos/async-call-deprecated.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 NIO 的非阻塞实现并行调用,客户端不需要启动多线程即可完成并行调用多个远程服务,相对多线程开销较小。 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../sources/images/future.jpg" alt="/user-guide/images/future.jpg"></p>
 <p>在 consumer.xml 中配置:</p>
diff --git a/zh-cn/docs/user/demos/async-call.html b/zh-cn/docs/user/demos/async-call.html
index fba6b78..c14bec6 100644
--- a/zh-cn/docs/user/demos/async-call.html
+++ b/zh-cn/docs/user/demos/async-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>从v2.7.0开始,Dubbo的所有异步编程接口开始以<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html">CompletableFuture</a>为基础</p>
 <p>基于 NIO 的非阻塞实现并行调用,客户端不需要启动多线程即可完成并行调用多个远程服务,相对多线程开销较小。</p>
 <p><img src="../sources/images/future.jpg" alt="/user-guide/images/future.jpg"></p>
diff --git a/zh-cn/docs/user/demos/async-execute-on-provider.html b/zh-cn/docs/user/demos/async-execute-on-provider.html
index 6c4e4c9..e3875cd 100644
--- a/zh-cn/docs/user/demos/async-execute-on-provider.html
+++ b/zh-cn/docs/user/demos/async-execute-on-provider.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Provider端异步执行将阻塞的业务从Dubbo内部线程池切换到业务自定义线程,避免Dubbo线程池的过度占用,有助于避免不同服务间的互相影响。异步执行无益于节省资源或提升RPC响应性能,因为如果业务执行需要阻塞,则始终还是要有线程来负责执行。</p>
 <blockquote>
 <p>注意:Provider端异步执行和Consumer端异步调用是相互独立的,你可以任意正交组合两端配置</p>
diff --git a/zh-cn/docs/user/demos/attachment.html b/zh-cn/docs/user/demos/attachment.html
index 048c781..d7ab392 100644
--- a/zh-cn/docs/user/demos/attachment.html
+++ b/zh-cn/docs/user/demos/attachment.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>可以通过 <code>RpcContext</code> 上的 <code>setAttachment</code> 和 <code>getAttachment</code> 在服务消费方和提供方之间进行参数的隐式传递。 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../sources/images/context.png" alt="/user-guide/images/context.png"></p>
 <h4>在服务消费方端设置隐式参数</h4>
diff --git a/zh-cn/docs/user/demos/callback-parameter.html b/zh-cn/docs/user/demos/callback-parameter.html
index bd0c8fe..418bdc5 100644
--- a/zh-cn/docs/user/demos/callback-parameter.html
+++ b/zh-cn/docs/user/demos/callback-parameter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>参数回调方式与调用本地 callback 或 listener 相同,只需要在 Spring 的配置文件中声明哪个参数是 callback 类型即可。Dubbo 将基于长连接生成反向代理,这样就可以从服务器端调用客户端逻辑 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。可以参考 <a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-callback">dubbo 项目中的示例代码</a>。</p>
 <h4>服务接口示例</h4>
 <h6>CallbackService.java</h6>
diff --git a/zh-cn/docs/user/demos/concurrency-control.html b/zh-cn/docs/user/demos/concurrency-control.html
index 80e2c89..e9b4b48 100644
--- a/zh-cn/docs/user/demos/concurrency-control.html
+++ b/zh-cn/docs/user/demos/concurrency-control.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>配置样例</h2>
 <h3>样例 1</h3>
 <p>限制 <code>com.foo.BarService</code> 的每个方法,服务器端并发执行(或占用线程池线程数)不能超过 10 个:</p>
diff --git a/zh-cn/docs/user/demos/config-connections.html b/zh-cn/docs/user/demos/config-connections.html
index 6c342b1..6cc2327 100644
--- a/zh-cn/docs/user/demos/config-connections.html
+++ b/zh-cn/docs/user/demos/config-connections.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>服务端连接控制</h2>
 <p>限制服务器端接受的连接不能超过 10 个 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:provider</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">accepts</span>=<span class="hljs-string">"10"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/config-rule-deprecated.html b/zh-cn/docs/user/demos/config-rule-deprecated.html
index ddc6d4f..eacb0aa 100644
--- a/zh-cn/docs/user/demos/config-rule-deprecated.html
+++ b/zh-cn/docs/user/demos/config-rule-deprecated.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>向注册中心写入动态配置覆盖规则 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。该功能通常由监控中心或治理中心的页面完成。</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
 Registry registry = registryFactory.getRegistry(URL.valueOf(<span class="hljs-string">"zookeeper://10.20.153.10:2181"</span>));
diff --git a/zh-cn/docs/user/demos/config-rule.html b/zh-cn/docs/user/demos/config-rule.html
index 3c227f0..d5e88fb 100644
--- a/zh-cn/docs/user/demos/config-rule.html
+++ b/zh-cn/docs/user/demos/config-rule.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>查看<a href="./config-rule-deprecated.md">老版本配置规则</a>。</p>
 <p>覆盖规则是Dubbo设计的在无需重启应用的情况下,动态调整RPC调用行为的一种能力。2.7.0版本开始,支持从<strong>服务</strong>和<strong>应用</strong>两个粒度来调整动态配置。</p>
 <h2>概览</h2>
diff --git a/zh-cn/docs/user/demos/context.html b/zh-cn/docs/user/demos/context.html
index 9a9672c..089f754 100644
--- a/zh-cn/docs/user/demos/context.html
+++ b/zh-cn/docs/user/demos/context.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>上下文中存放的是当前调用过程中所需的环境信息。所有配置信息都将转换为 URL 的参数,参见 <a href="../references/xml/introduction.md">schema 配置参考手册</a> 中的<strong>对应URL参数</strong>一列。</p>
 <p>RpcContext 是一个 ThreadLocal 的临时状态记录器,当接收到 RPC 请求,或发起 RPC 请求时,RpcContext 的状态都会变化。比如:A 调 B,B 再调 C,则 B 机器上,在 B 调 C 之前,RpcContext 记录的是 A 调 B 的信息,在 B 调 C 之后,RpcContext 记录的是 B 调 C 的信息。</p>
 <h2>服务消费方</h2>
diff --git a/zh-cn/docs/user/demos/delay-publish.html b/zh-cn/docs/user/demos/delay-publish.html
index cafc118..5a86063 100644
--- a/zh-cn/docs/user/demos/delay-publish.html
+++ b/zh-cn/docs/user/demos/delay-publish.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果你的服务需要预热时间,比如初始化缓存,等待相关资源就位等,可以使用 delay 进行延迟暴露。我们在 Dubbo 2.6.5 版本中对服务延迟暴露逻辑进行了细微的调整,将需要延迟暴露(delay &gt; 0)服务的倒计时动作推迟到了 Spring 初始化完成后进行。你在使用 Dubbo 的过程中,并不会感知到此变化,因此请放心使用。</p>
 <h2>Dubbo-2.6.5 之前版本</h2>
 <h3>延迟到 Spring 初始化完成后,再暴露服务<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></h3>
diff --git a/zh-cn/docs/user/demos/distributed-transaction.html b/zh-cn/docs/user/demos/distributed-transaction.html
index 16ba8de..b3a5c9f 100644
--- a/zh-cn/docs/user/demos/distributed-transaction.html
+++ b/zh-cn/docs/user/demos/distributed-transaction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>分布式事务基于 JTA/XA 规范实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p>两阶段提交:</p>
 <p><img src="../sources/images/jta-xa.jpg" alt="/user-guide/images/jta-xa.jpg"></p>
diff --git a/zh-cn/docs/user/demos/dump.html b/zh-cn/docs/user/demos/dump.html
index 6aca33c..a2cf2a9 100644
--- a/zh-cn/docs/user/demos/dump.html
+++ b/zh-cn/docs/user/demos/dump.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>默认策略:</p>
 <ul>
 <li>导出路径,user.home标识的用户主目录</li>
diff --git a/zh-cn/docs/user/demos/echo-service.html b/zh-cn/docs/user/demos/echo-service.html
index 569d979..a5a49d7 100644
--- a/zh-cn/docs/user/demos/echo-service.html
+++ b/zh-cn/docs/user/demos/echo-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>回声测试用于检测服务是否可用,回声测试按照正常请求流程执行,能够测试整个调用是否通畅,可用于监控。</p>
 <p>所有服务自动实现 <code>EchoService</code> 接口,只需将任意服务引用强制转型为 <code>EchoService</code>,即可使用。</p>
 <p>Spring 配置:</p>
diff --git a/zh-cn/docs/user/demos/events-notify.html b/zh-cn/docs/user/demos/events-notify.html
index 8517c0e..0053638 100644
--- a/zh-cn/docs/user/demos/events-notify.html
+++ b/zh-cn/docs/user/demos/events-notify.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在调用之前、调用之后、出现异常时,会触发 <code>oninvoke</code>、<code>onreturn</code>、<code>onthrow</code> 三个事件,可以配置当事件发生时,通知哪个类的哪个方法 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h4>服务提供者与消费者共享服务接口</h4>
 <pre><code class="language-java"><span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">IDemoService</span> </span>{
diff --git a/zh-cn/docs/user/demos/explicit-target.html b/zh-cn/docs/user/demos/explicit-target.html
index 9db92dd..b482925 100644
--- a/zh-cn/docs/user/demos/explicit-target.html
+++ b/zh-cn/docs/user/demos/explicit-target.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在开发及测试环境下,经常需要绕过注册中心,只测试指定服务提供者,这时候可能需要点对点直连,点对点直连方式,将以服务接口为单位,忽略注册中心的提供者列表,A 接口配置点对点,不影响 B 接口从注册中心获取列表。</p>
 <p><img src="../sources/images/dubbo-directly.jpg" alt="/user-guide/images/dubbo-directly.jpg"></p>
 <h2>通过 XML 配置</h2>
diff --git a/zh-cn/docs/user/demos/fault-tolerent-strategy.html b/zh-cn/docs/user/demos/fault-tolerent-strategy.html
index 55e3d6b..34d2f32 100644
--- a/zh-cn/docs/user/demos/fault-tolerent-strategy.html
+++ b/zh-cn/docs/user/demos/fault-tolerent-strategy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在集群调用失败时,Dubbo 提供了多种容错方案,缺省为 failover 重试。</p>
 <p><img src="../sources/images/cluster.jpg" alt="cluster"></p>
 <p>各节点关系:</p>
diff --git a/zh-cn/docs/user/demos/generic-reference.html b/zh-cn/docs/user/demos/generic-reference.html
index c005a8b..914e7ad 100644
--- a/zh-cn/docs/user/demos/generic-reference.html
+++ b/zh-cn/docs/user/demos/generic-reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>泛化接口调用方式主要用于客户端没有 API 接口及模型类元的情况,参数及返回值中的所有 POJO 均用 <code>Map</code> 表示,通常用于框架集成,比如:实现一个通用的服务测试框架,可通过 <code>GenericService</code> 调用所有服务实现。</p>
 <h2>通过 Spring 使用泛化调用</h2>
 <p>在 Spring 配置申明 <code>generic=&quot;true&quot;</code>:</p>
diff --git a/zh-cn/docs/user/demos/generic-service.html b/zh-cn/docs/user/demos/generic-service.html
index 43615b0..22d5cdf 100644
--- a/zh-cn/docs/user/demos/generic-service.html
+++ b/zh-cn/docs/user/demos/generic-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>泛接口实现方式主要用于服务器端没有API接口及模型类元的情况,参数及返回值中的所有POJO均用Map表示,通常用于框架集成,比如:实现一个通用的远程服务Mock框架,可通过实现GenericService接口处理所有服务请求。</p>
 <p>在 Java 代码中实现 <code>GenericService</code> 接口:</p>
 <pre><code class="language-java"><span class="hljs-keyword">package</span> com.foo;
diff --git a/zh-cn/docs/user/demos/graceful-shutdown.html b/zh-cn/docs/user/demos/graceful-shutdown.html
index e29ab3a..c115eda 100644
--- a/zh-cn/docs/user/demos/graceful-shutdown.html
+++ b/zh-cn/docs/user/demos/graceful-shutdown.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 是通过 JDK 的 ShutdownHook 来完成优雅停机的,所以如果用户使用 <code>kill -9 PID</code> 等强制关闭指令,是不会执行优雅停机的,只有通过 <code>kill PID</code> 时,才会执行。</p>
 <h2>原理</h2>
 <h3>服务提供方</h3>
diff --git a/zh-cn/docs/user/demos/group-merger.html b/zh-cn/docs/user/demos/group-merger.html
index 271f55b..b047368 100644
--- a/zh-cn/docs/user/demos/group-merger.html
+++ b/zh-cn/docs/user/demos/group-merger.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>按组合并返回结果 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>,比如菜单服务,接口一样,但有多种实现,用group区分,现在消费方需从每种group中调用一次返回结果,合并结果返回,这样就可以实现聚合菜单项。</p>
 <p>相关代码可以参考 <a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-merge">dubbo 项目中的示例</a></p>
 <h2>配置</h2>
diff --git a/zh-cn/docs/user/demos/hostname-binding.html b/zh-cn/docs/user/demos/hostname-binding.html
index 8bf9cfd..c7c3ed0 100644
--- a/zh-cn/docs/user/demos/hostname-binding.html
+++ b/zh-cn/docs/user/demos/hostname-binding.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>查找顺序</h2>
 <p>缺省主机 IP 查找顺序:</p>
 <ul>
diff --git a/zh-cn/docs/user/demos/index.html b/zh-cn/docs/user/demos/index.html
index ccc885c..6911a5c 100644
--- a/zh-cn/docs/user/demos/index.html
+++ b/zh-cn/docs/user/demos/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/user/demos/introduction.html b/zh-cn/docs/user/demos/introduction.html
index cbfe2e6..2907600 100644
--- a/zh-cn/docs/user/demos/introduction.html
+++ b/zh-cn/docs/user/demos/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><img src="../sources/images/check.gif" alt="warning">想完整的运行起来,请参见:<a href="quickstart.md">快速启动</a>,这里只列出各种场景的配置方式。
 <img src="../sources/images/check.gif" alt="warning">以下示例全部使用基于Spring的<a href="../configuration/xml.md">Xml配置</a>作为参考,如果不想使用Spring,而希望通过API的方式进行调用,请参见:<a href="../configuration/api.md">API配置</a></p>
 </blockquote>
diff --git a/zh-cn/docs/user/demos/lazy-connect.html b/zh-cn/docs/user/demos/lazy-connect.html
index ee5d8ba..87828cc 100644
--- a/zh-cn/docs/user/demos/lazy-connect.html
+++ b/zh-cn/docs/user/demos/lazy-connect.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>延迟连接用于减少长连接数。当有调用发起时,再创建长连接。<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">lazy</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
diff --git a/zh-cn/docs/user/demos/loadbalance.html b/zh-cn/docs/user/demos/loadbalance.html
index 43d01cb..ba12c87 100644
--- a/zh-cn/docs/user/demos/loadbalance.html
+++ b/zh-cn/docs/user/demos/loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在集群负载均衡时,Dubbo 提供了多种均衡策略,缺省为 <code>random</code> 随机调用。</p>
 <p>可以自行扩展负载均衡策略,参见:<a href="../../dev/impls/load-balance.md">负载均衡扩展</a></p>
 <h2>负载均衡策略</h2>
diff --git a/zh-cn/docs/user/demos/local-call.html b/zh-cn/docs/user/demos/local-call.html
index 58a523e..7685369 100644
--- a/zh-cn/docs/user/demos/local-call.html
+++ b/zh-cn/docs/user/demos/local-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本地调用使用了 injvm 协议,是一个伪协议,它不开启端口,不发起远程调用,只在 JVM 内直接关联,但执行 Dubbo 的 Filter 链。</p>
 <h2>配置</h2>
 <p>定义 injvm 协议</p>
diff --git a/zh-cn/docs/user/demos/local-mock.html b/zh-cn/docs/user/demos/local-mock.html
index 97d9ab1..158b35a 100644
--- a/zh-cn/docs/user/demos/local-mock.html
+++ b/zh-cn/docs/user/demos/local-mock.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>本地伪装 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 通常用于服务降级,比如某验权服务,当服务提供方全部挂掉后,客户端不抛出异常,而是通过 Mock 数据返回授权失败。</p>
 <p>在 spring 配置文件中按以下方式配置:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">mock</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/local-stub.html b/zh-cn/docs/user/demos/local-stub.html
index ddf01a5..0430187 100644
--- a/zh-cn/docs/user/demos/local-stub.html
+++ b/zh-cn/docs/user/demos/local-stub.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>远程服务后,客户端通常只剩下接口,而实现全在服务器端,但提供方有些时候想在客户端也执行部分逻辑,比如:做 ThreadLocal 缓存,提前验证参数,调用失败后伪造容错数据等等,此时就需要在 API 中带上 Stub,客户端生成 Proxy 实例,会把 Proxy 通过构造函数传给 Stub <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>,然后把 Stub 暴露给用户,Stub 可以决定要不要去调 Proxy。</p>
 <p><img src="../sources/images/stub.jpg" alt="/user-guide/images/stub.jpg"></p>
 <p>在 spring 配置文件中按以下方式配置:</p>
diff --git a/zh-cn/docs/user/demos/logger-strategy.html b/zh-cn/docs/user/demos/logger-strategy.html
index c1cbf3b..d37473c 100644
--- a/zh-cn/docs/user/demos/logger-strategy.html
+++ b/zh-cn/docs/user/demos/logger-strategy.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>自 <code>2.2.1</code> 开始,dubbo 开始内置 log4j、slf4j、jcl、jdk 这些日志框架的适配[1],也可以通过以下方式显示配置日志输出策略:</p>
 <ol start="0">
 <li>
diff --git a/zh-cn/docs/user/demos/multi-protocols.html b/zh-cn/docs/user/demos/multi-protocols.html
index d922216..11ff2bc 100644
--- a/zh-cn/docs/user/demos/multi-protocols.html
+++ b/zh-cn/docs/user/demos/multi-protocols.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 允许配置多协议,在不同服务上支持不同协议或者同一服务上同时支持多种协议。</p>
 <h2>不同服务不同协议</h2>
 <p>不同服务在性能上适用不同协议进行传输,比如大数据用短连接协议,小数据大并发用长连接协议</p>
diff --git a/zh-cn/docs/user/demos/multi-registry.html b/zh-cn/docs/user/demos/multi-registry.html
index c8e7448..b2105ea 100644
--- a/zh-cn/docs/user/demos/multi-registry.html
+++ b/zh-cn/docs/user/demos/multi-registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 支持同一服务向多注册中心同时注册,或者不同服务分别注册到不同的注册中心上去,甚至可以同时引用注册在不同注册中心上的同名服务。另外,注册中心是支持自定义扩展的 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h2>多注册中心注册</h2>
 <p>比如:中文站有些服务来不及在青岛部署,只在杭州部署,而青岛的其它应用需要引用此服务,就可以将服务同时注册到两个注册中心。</p>
diff --git a/zh-cn/docs/user/demos/multi-versions.html b/zh-cn/docs/user/demos/multi-versions.html
index a87b324..302374e 100644
--- a/zh-cn/docs/user/demos/multi-versions.html
+++ b/zh-cn/docs/user/demos/multi-versions.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>当一个接口实现,出现不兼容升级时,可以用版本号过渡,版本号不同的服务相互间不引用。</p>
 <p>可以按照以下的步骤进行版本迁移:</p>
 <ol start="0">
diff --git a/zh-cn/docs/user/demos/netty4.html b/zh-cn/docs/user/demos/netty4.html
index 70f4e8b..de6c604 100644
--- a/zh-cn/docs/user/demos/netty4.html
+++ b/zh-cn/docs/user/demos/netty4.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>provider端:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">server</span>=<span class="hljs-string">"netty4"</span> /&gt;</span>
 </code></pre>
diff --git a/zh-cn/docs/user/demos/parameter-validation.html b/zh-cn/docs/user/demos/parameter-validation.html
index dc48756..6669f09 100644
--- a/zh-cn/docs/user/demos/parameter-validation.html
+++ b/zh-cn/docs/user/demos/parameter-validation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>参数验证功能 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 是基于 <a href="https://jcp.org/en/jsr/detail?id=303">JSR303</a> 实现的,用户只需标识 JSR303 标准的验证 annotation,并通过声明 filter 来实现验证 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>Maven 依赖</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
diff --git a/zh-cn/docs/user/demos/preflight-check.html b/zh-cn/docs/user/demos/preflight-check.html
index 7eb90a9..66f4fda 100644
--- a/zh-cn/docs/user/demos/preflight-check.html
+++ b/zh-cn/docs/user/demos/preflight-check.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 缺省会在启动时检查依赖的服务是否可用,不可用时会抛出异常,阻止 Spring 初始化完成,以便上线时,能及早发现问题,默认  <code>check=&quot;true&quot;</code>。</p>
 <p>可以通过 <code>check=&quot;false&quot;</code> 关闭检查,比如,测试时,有些服务不关心,或者出现了循环依赖,必须有一方先启动。</p>
 <p>另外,如果你的 Spring 容器是懒加载的,或者通过 API 编程延迟引用服务,请关闭 check,否则服务临时不可用时,会抛出异常,拿到 null 引用,如果 <code>check=&quot;false&quot;</code>,总是会返回引用,当服务恢复时,能自动连上。</p>
diff --git a/zh-cn/docs/user/demos/reference-config-cache.html b/zh-cn/docs/user/demos/reference-config-cache.html
index e30b533..5d4be9c 100644
--- a/zh-cn/docs/user/demos/reference-config-cache.html
+++ b/zh-cn/docs/user/demos/reference-config-cache.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><code>ReferenceConfig</code> 实例很重,封装了与注册中心的连接以及与提供者的连接,需要缓存。否则重复生成 <code>ReferenceConfig</code> 可能造成性能问题并且会有内存和连接泄漏。在 API 方式编程时,容易忽略此问题。</p>
 <p>因此,自 <code>2.4.0</code> 版本开始, dubbo 提供了简单的工具类 <code>ReferenceConfigCache</code>用于缓存 <code>ReferenceConfig</code> 实例。</p>
 <p>使用方式如下:</p>
diff --git a/zh-cn/docs/user/demos/registry-only.html b/zh-cn/docs/user/demos/registry-only.html
index 3313887..6d0e51f 100644
--- a/zh-cn/docs/user/demos/registry-only.html
+++ b/zh-cn/docs/user/demos/registry-only.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果有两个镜像环境,两个注册中心,有一个服务只在其中一个注册中心有部署,另一个注册中心还没来得及部署,而两个注册中心的其它应用都需要依赖此服务。这个时候,可以让服务提供者方只注册服务到另一注册中心,而不从另一注册中心订阅服务。</p>
 <p>禁用订阅配置</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"hzRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/result-cache.html b/zh-cn/docs/user/demos/result-cache.html
index 28c0b8a..fe4fb41 100644
--- a/zh-cn/docs/user/demos/result-cache.html
+++ b/zh-cn/docs/user/demos/result-cache.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>结果缓存 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>,用于加速热门数据的访问速度,Dubbo 提供声明式缓存,以减少用户加缓存的工作量 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>缓存类型</h2>
 <ul>
diff --git a/zh-cn/docs/user/demos/routing-rule-deprecated.html b/zh-cn/docs/user/demos/routing-rule-deprecated.html
index 4b60ed9..76ce8ae 100644
--- a/zh-cn/docs/user/demos/routing-rule-deprecated.html
+++ b/zh-cn/docs/user/demos/routing-rule-deprecated.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>路由规则 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 决定一次 dubbo 服务调用的目标服务器,分为条件路由规则和脚本路由规则,并且支持可扩展 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>写入路由规则</h2>
 <p>向注册中心写入路由规则的操作通常由监控中心或治理中心的页面完成</p>
diff --git a/zh-cn/docs/user/demos/routing-rule.html b/zh-cn/docs/user/demos/routing-rule.html
index 66a1628..663143c 100644
--- a/zh-cn/docs/user/demos/routing-rule.html
+++ b/zh-cn/docs/user/demos/routing-rule.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在此查看<a href="./routing-rule-deprecated.md">老版本路由规则(2.6.x or before)</a></p>
 <p>路由规则在发起一次RPC调用前起到过滤目标服务器地址的作用,过滤后的地址列表,将作为消费端最终发起RPC调用的备选地址。</p>
 <ul>
diff --git a/zh-cn/docs/user/demos/serialization.html b/zh-cn/docs/user/demos/serialization.html
index 0f298c6..e422b35 100644
--- a/zh-cn/docs/user/demos/serialization.html
+++ b/zh-cn/docs/user/demos/serialization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>启用Kryo和FST</h2>
 <p>使用Kryo和FST非常简单,只需要在dubbo RPC的XML配置中添加一个属性即可:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">serialization</span>=<span class="hljs-string">"kryo"</span>/&gt;</span>
diff --git a/zh-cn/docs/user/demos/service-container.html b/zh-cn/docs/user/demos/service-container.html
index 7090536..c5c90a8 100644
--- a/zh-cn/docs/user/demos/service-container.html
+++ b/zh-cn/docs/user/demos/service-container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务容器是一个 standalone 的启动程序,因为后台服务不需要 Tomcat 或 JBoss 等 Web 容器的功能,如果硬要用 Web 容器去加载服务提供方,增加复杂性,也浪费资源。</p>
 <p>服务容器只是一个简单的 Main 方法,并加载一个简单的 Spring 容器,用于暴露服务。</p>
 <p>服务容器的加载内容可以扩展,内置了 spring, jetty, log4j 等加载,可通过<a href="http://dubbo.apache.org/zh-cn/docs/dev/impls/container.html">容器扩展点</a>进行扩展。配置配在 java 命令的 -D 参数或者 <code>dubbo.properties</code> 中。</p>
diff --git a/zh-cn/docs/user/demos/service-downgrade.html b/zh-cn/docs/user/demos/service-downgrade.html
index 6f68d59..2f5026e 100644
--- a/zh-cn/docs/user/demos/service-downgrade.html
+++ b/zh-cn/docs/user/demos/service-downgrade.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>可以通过服务降级功能 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 临时屏蔽某个出错的非关键服务,并定义降级后的返回策略。</p>
 <p>向注册中心写入动态配置覆盖规则:</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/zh-cn/docs/user/demos/service-group.html b/zh-cn/docs/user/demos/service-group.html
index 9e6660c..79dd219 100644
--- a/zh-cn/docs/user/demos/service-group.html
+++ b/zh-cn/docs/user/demos/service-group.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>当一个接口有多种实现时,可以用 group 区分。</p>
 <h2>服务</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">group</span>=<span class="hljs-string">"feedback"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.IndexService"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/set-host.html b/zh-cn/docs/user/demos/set-host.html
index 4ae4c7c..f2bb452 100644
--- a/zh-cn/docs/user/demos/set-host.html
+++ b/zh-cn/docs/user/demos/set-host.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>在<code>dubbo</code>中,<code>provider</code>启动时主要做两个事情,一是启动server,二是向注册中心注册服务.启动server时需要绑定socket,向注册中心注册服务时也需要发送socket唯一标识服务地址.</p>
 <ol>
 <li><code>dubbo</code>中不设置<code>host</code>时默认<code>host</code>是什么?</li>
diff --git a/zh-cn/docs/user/demos/simplify-registry-data.html b/zh-cn/docs/user/demos/simplify-registry-data.html
index 193a0b1..47656e0 100644
--- a/zh-cn/docs/user/demos/simplify-registry-data.html
+++ b/zh-cn/docs/user/demos/simplify-registry-data.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>dubbo provider中的服务配置项有接近<a href="http://dubbo.apache.org/en-us/docs/user/references/xml/dubbo-service.html">30个配置项</a>。 排除注册中心服务治理需要之外,很大一部分配置项是provider自己使用,不需要透传给消费者。这部分数据不需要进入注册中心,而只需要以key-value形式持久化存储。</p>
 <p>dubbo consumer中的配置项也有<a href="http://dubbo.apache.org/en-us/docs/user/references/xml/dubbo-reference.html">20+个配置项</a>。在注册中心之中,服务消费者列表中只需要关注application,version,group,ip,dubbo版本等少量配置,其他配置也可以以key-value形式持久化存储。</p>
 <p>这些数据是以服务为维度注册进入注册中心,导致了数据量的膨胀,进而引发注册中心(如zookeeper)的网络开销增大,性能降低。</p>
diff --git a/zh-cn/docs/user/demos/static-service.html b/zh-cn/docs/user/demos/static-service.html
index 412eb0e..2407183 100644
--- a/zh-cn/docs/user/demos/static-service.html
+++ b/zh-cn/docs/user/demos/static-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>有时候希望人工管理服务提供者的上线和下线,此时需将注册中心标识为非动态管理模式。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.141.150:9090"</span> <span class="hljs-attr">dynamic</span>=<span class="hljs-string">"false"</span> /&gt;</span>
 </code></pre>
diff --git a/zh-cn/docs/user/demos/stickiness.html b/zh-cn/docs/user/demos/stickiness.html
index 0b8c0bf..fdc0a7f 100644
--- a/zh-cn/docs/user/demos/stickiness.html
+++ b/zh-cn/docs/user/demos/stickiness.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>粘滞连接用于有状态服务,尽可能让客户端总是向同一提供者发起调用,除非该提供者挂了,再连另一台。</p>
 <p>粘滞连接将自动开启<a href="./lazy-connect.md">延迟连接</a>,以减少长连接数。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"xxxService"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.XxxService"</span> <span class="hljs-attr">sticky</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/demos/subscribe-only.html b/zh-cn/docs/user/demos/subscribe-only.html
index 3b03db3..b972be7 100644
--- a/zh-cn/docs/user/demos/subscribe-only.html
+++ b/zh-cn/docs/user/demos/subscribe-only.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>为方便开发测试,经常会在线下共用一个所有服务可用的注册中心,这时,如果一个正在开发中的服务提供者注册,可能会影响消费者不能正常运行。</p>
 <p>可以让服务提供者开发方,只订阅服务(开发的服务可能依赖其它服务),而不注册正在开发的服务,通过直连测试正在开发的服务。</p>
 <p><img src="../sources/images/subscribe-only.jpg" alt="/user-guide/images/subscribe-only.jpg"></p>
diff --git a/zh-cn/docs/user/demos/thread-model.html b/zh-cn/docs/user/demos/thread-model.html
index 79a8caf..5649bfd 100644
--- a/zh-cn/docs/user/demos/thread-model.html
+++ b/zh-cn/docs/user/demos/thread-model.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>如果事件处理的逻辑能迅速完成,并且不会发起新的 IO 请求,比如只是在内存中记个标识,则直接在 IO 线程上处理更快,因为减少了线程池调度。</p>
 <p>但如果事件处理逻辑较慢,或者需要发起新的 IO 请求,比如需要查询数据库,则必须派发到线程池,否则 IO 线程阻塞,将导致不能接收其它请求。</p>
 <p>如果用 IO 线程处理事件,又在事件处理过程中发起新的 IO 请求,比如在连接事件中发起登录请求,会报“可能引发死锁”异常,但不会真死锁。</p>
diff --git a/zh-cn/docs/user/demos/token-authorization.html b/zh-cn/docs/user/demos/token-authorization.html
index 710c6f6..211e8b1 100644
--- a/zh-cn/docs/user/demos/token-authorization.html
+++ b/zh-cn/docs/user/demos/token-authorization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>通过令牌验证在注册中心控制权限,以决定要不要下发令牌给消费者,可以防止消费者绕过注册中心访问提供者,另外通过注册中心可灵活改变授权方式,而不需修改或升级提供者</p>
 <p><img src="../sources/images/dubbo-token.jpg" alt="/user-guide/images/dubbo-token.jpg"></p>
 <p>可以全局设置开启令牌验证:</p>
diff --git a/zh-cn/docs/user/dependencies.html b/zh-cn/docs/user/dependencies.html
index ad65d70..84f09ab 100644
--- a/zh-cn/docs/user/dependencies.html
+++ b/zh-cn/docs/user/dependencies.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>必须依赖</h2>
 <p>JDK 1.6+ <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>缺省依赖</h2>
diff --git a/zh-cn/docs/user/languages/erlang/reference.html b/zh-cn/docs/user/languages/erlang/reference.html
index 90ca000..8afdce8 100644
--- a/zh-cn/docs/user/languages/erlang/reference.html
+++ b/zh-cn/docs/user/languages/erlang/reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>基础配置</h2>
 <p>消费者配置项需要添加到<code>sys.config</code>文件<code>dubboerl</code>应用配置项里。</p>
 <pre><code class="language-erlang">{dubboerl,[
diff --git a/zh-cn/docs/user/languages/erlang/serialization.html b/zh-cn/docs/user/languages/erlang/serialization.html
index 429d940..e610aa0 100644
--- a/zh-cn/docs/user/languages/erlang/serialization.html
+++ b/zh-cn/docs/user/languages/erlang/serialization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>当前该库只实现了<code>dubbo://</code>通讯协议。</p>
 <p>序列化方式实现了<code>hessian</code>和<code>json</code>两种方式。</p>
 <h2>配置样例</h2>
diff --git a/zh-cn/docs/user/languages/erlang/service.html b/zh-cn/docs/user/languages/erlang/service.html
index e256c88..38d0965 100644
--- a/zh-cn/docs/user/languages/erlang/service.html
+++ b/zh-cn/docs/user/languages/erlang/service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>基本配置</h2>
 <p>提供者配置项需要添加到<code>sys.config</code>文件<code>dubboerl</code>应用配置项里。</p>
 <pre><code class="language-erlang">{dubboerl,[
diff --git a/zh-cn/docs/user/languages/erlang/start.html b/zh-cn/docs/user/languages/erlang/start.html
index 2397ab5..2d64492 100644
--- a/zh-cn/docs/user/languages/erlang/start.html
+++ b/zh-cn/docs/user/languages/erlang/start.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>建议先使用java定义接口jar,并使用<a href="https://github.com/apache/dubbo-erlang/tree/master/tools/erlanalysis">erlanalysis</a> 工具解析java接口至Erlang lib</p>
 <h2>导入依赖库</h2>
 <h3>使用 Rebar 编译工具。</h3>
diff --git a/zh-cn/docs/user/maturity.html b/zh-cn/docs/user/maturity.html
index 0a398bd..201210b 100644
--- a/zh-cn/docs/user/maturity.html
+++ b/zh-cn/docs/user/maturity.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>功能成熟度</h2>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/perf-test.html b/zh-cn/docs/user/perf-test.html
index 1f46ff1..dfffcb3 100644
--- a/zh-cn/docs/user/perf-test.html
+++ b/zh-cn/docs/user/perf-test.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>测试说明</h2>
 <ol>
 <li>本次性能测试,测试了 dubbo 2.0 所有支持的协议在不同大小和数据类型下的表现,并与 dubbo 1.0 进行了对比。</li>
diff --git a/zh-cn/docs/user/preface/architecture.html b/zh-cn/docs/user/preface/architecture.html
index b5fa874..abe8ed2 100644
--- a/zh-cn/docs/user/preface/architecture.html
+++ b/zh-cn/docs/user/preface/architecture.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><img src="../sources/images/dubbo-architecture.jpg" alt="dubbo-architucture"></p>
 <h5>节点角色说明</h5>
 <table>
diff --git a/zh-cn/docs/user/preface/background.html b/zh-cn/docs/user/preface/background.html
index 1398de8..34a1906 100644
--- a/zh-cn/docs/user/preface/background.html
+++ b/zh-cn/docs/user/preface/background.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>随着互联网的发展,网站应用的规模不断扩大,常规的垂直应用架构已无法应对,分布式服务架构以及流动计算架构势在必行,亟需一个治理系统确保架构有条不紊的演进。</p>
 <p><img src="../sources/images/dubbo-architecture-roadmap.jpg" alt="image"></p>
 <h4>单一应用架构</h4>
diff --git a/zh-cn/docs/user/preface/index.html b/zh-cn/docs/user/preface/index.html
index c195642..1ebc3eb 100644
--- a/zh-cn/docs/user/preface/index.html
+++ b/zh-cn/docs/user/preface/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/user/preface/requirements.html b/zh-cn/docs/user/preface/requirements.html
index 1f92c63..b6f5052 100644
--- a/zh-cn/docs/user/preface/requirements.html
+++ b/zh-cn/docs/user/preface/requirements.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><img src="../sources/images/dubbo-service-governance.jpg" alt="image"></p>
 <p>在大规模服务化之前,应用可能只是通过 RMI 或 Hessian 等工具,简单的暴露和引用远程服务,通过配置服务的URL地址进行调用,通过 F5 等硬件进行负载均衡。</p>
 <p><strong>当服务越来越多时,服务 URL 配置管理变得非常困难,F5 硬件负载均衡器的单点压力也越来越大。</strong> 此时需要一个服务注册中心,动态地注册和发现服务,使服务的位置透明。并通过在消费方获取服务提供方地址列表,实现软负载均衡和 Failover,降低对 F5 硬件负载均衡器的依赖,也能减少部分成本。</p>
diff --git a/zh-cn/docs/user/preface/usage.html b/zh-cn/docs/user/preface/usage.html
index 0b3ab5d..f14faa4 100644
--- a/zh-cn/docs/user/preface/usage.html
+++ b/zh-cn/docs/user/preface/usage.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>本地服务 Spring 配置</h2>
 <p>local.xml:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">bean</span> <span class="hljs-attr">id</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">class</span>=<span class="hljs-string">“com.xxx.XxxServiceImpl”</span> /&gt;</span>
diff --git a/zh-cn/docs/user/quick-start.html b/zh-cn/docs/user/quick-start.html
index 9571768..17ee2af 100644
--- a/zh-cn/docs/user/quick-start.html
+++ b/zh-cn/docs/user/quick-start.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 采用全 Spring 配置方式,透明化接入应用,对应用没有任何 API 侵入,只需用 Spring 加载 Dubbo 的配置即可,Dubbo 基于 <a href="https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/xsd-configuration.html">Spring 的 Schema 扩展</a> 进行加载。</p>
 <p>如果不想使用 Spring 配置,可以通过 <a href="./configuration/api.md">API 的方式</a> 进行调用。</p>
 <h2>服务提供者</h2>
diff --git a/zh-cn/docs/user/recommend.html b/zh-cn/docs/user/recommend.html
index 6fb50ab..fb0cd41 100644
--- a/zh-cn/docs/user/recommend.html
+++ b/zh-cn/docs/user/recommend.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>在 Provider 端尽量多配置 Consumer 端属性</h2>
 <p>原因如下:</p>
 <ul>
diff --git a/zh-cn/docs/user/references/api.html b/zh-cn/docs/user/references/api.html
index e21407b..0aeee6e 100644
--- a/zh-cn/docs/user/references/api.html
+++ b/zh-cn/docs/user/references/api.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 的常规功能,都保持零侵入,但有些功能不得不用 API 侵入才能实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p>API 汇总如下:</p>
 <h2>配置 API</h2>
diff --git a/zh-cn/docs/user/references/maven.html b/zh-cn/docs/user/references/maven.html
index b483c6c..cc68fd6 100644
--- a/zh-cn/docs/user/references/maven.html
+++ b/zh-cn/docs/user/references/maven.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <h2>启动一个简易注册中心</h2>
 <p>以指定的9099端口启动一个简易注册中心 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:</p>
 <pre><code class="language-sh">mvn dubbo:registry -Dport=9099 
diff --git a/zh-cn/docs/user/references/metadata/introduction.html b/zh-cn/docs/user/references/metadata/introduction.html
index 56802bb..c1d67c8 100644
--- a/zh-cn/docs/user/references/metadata/introduction.html
+++ b/zh-cn/docs/user/references/metadata/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>dubbo provider中的服务配置项有接近<a href="http://dubbo.apache.org/en-us/docs/user/references/xml/dubbo-service.html">30个配置项</a>。 排除注册中心服务治理需要之外,很大一部分配置项是provider自己使用,不需要透传给消费者。这部分数据不需要进入注册中心,而只需要以key-value形式持久化存储。
 dubbo consumer中的配置项也有<a href="http://dubbo.apache.org/en-us/docs/user/references/xml/dubbo-reference.html">20+个配置项</a>。在注册中心之中,服务消费者列表中只需要关注application,version,group,ip,dubbo版本等少量配置,其他配置也可以以key-value形式持久化存储。
 这些数据是以服务为维度注册进入注册中心,导致了数据量的膨胀,进而引发注册中心(如zookeeper)的网络开销增大,性能降低。<br>
diff --git a/zh-cn/docs/user/references/metadata/metadata-redis.html b/zh-cn/docs/user/references/metadata/metadata-redis.html
index 35191c8..28f043a 100644
--- a/zh-cn/docs/user/references/metadata/metadata-redis.html
+++ b/zh-cn/docs/user/references/metadata/metadata-redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/user/references/metadata/metadata-zookeeper.html b/zh-cn/docs/user/references/metadata/metadata-zookeeper.html
index b3c4b30..64b42b2 100644
--- a/zh-cn/docs/user/references/metadata/metadata-zookeeper.html
+++ b/zh-cn/docs/user/references/metadata/metadata-zookeeper.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
diff --git a/zh-cn/docs/user/references/protocol/dubbo.html b/zh-cn/docs/user/references/protocol/dubbo.html
index a84af1f..bb6c1af 100644
--- a/zh-cn/docs/user/references/protocol/dubbo.html
+++ b/zh-cn/docs/user/references/protocol/dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Dubbo 缺省协议采用单一长连接和 NIO 异步通讯,适合于小数据量大并发的服务调用,以及服务消费者机器数远大于服务提供者机器数的情况。</p>
 <p>反之,Dubbo 缺省协议不适合传送大数据量的服务,比如传文件,传视频等,除非请求量很低。</p>
 <p><img src="../../sources/images/dubbo-protocol.jpg" alt="dubbo-protocol.jpg"></p>
diff --git a/zh-cn/docs/user/references/protocol/hessian.html b/zh-cn/docs/user/references/protocol/hessian.html
index abe152a..886ef76 100644
--- a/zh-cn/docs/user/references/protocol/hessian.html
+++ b/zh-cn/docs/user/references/protocol/hessian.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Hessian <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 协议用于集成 Hessian 的服务,Hessian 底层采用 Http 通讯,采用 Servlet 暴露服务,Dubbo 缺省内嵌 Jetty 作为服务器实现。</p>
 <p>Dubbo 的 Hessian 协议可以和原生 Hessian 服务互操作,即:</p>
 <ul>
diff --git a/zh-cn/docs/user/references/protocol/http.html b/zh-cn/docs/user/references/protocol/http.html
index 3dd2370..1b6a00a 100644
--- a/zh-cn/docs/user/references/protocol/http.html
+++ b/zh-cn/docs/user/references/protocol/http.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 HTTP 表单的远程调用协议,采用 Spring 的 HttpInvoker 实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>特性</h2>
 <ul>
diff --git a/zh-cn/docs/user/references/protocol/introduction.html b/zh-cn/docs/user/references/protocol/introduction.html
index 8b5116c..223d98c 100644
--- a/zh-cn/docs/user/references/protocol/introduction.html
+++ b/zh-cn/docs/user/references/protocol/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>推荐使用 Dubbo 协议。各协议的性能情况,请参见:<a href="../../perf-test.md">性能测试报告</a></p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/user/references/protocol/memcached.html b/zh-cn/docs/user/references/protocol/memcached.html
index cb213e1..66d2229 100644
--- a/zh-cn/docs/user/references/protocol/memcached.html
+++ b/zh-cn/docs/user/references/protocol/memcached.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 memcached <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的 RPC 协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>注册 memcached 服务的地址</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/zh-cn/docs/user/references/protocol/redis.html b/zh-cn/docs/user/references/protocol/redis.html
index d71d0e6..4be093c 100644
--- a/zh-cn/docs/user/references/protocol/redis.html
+++ b/zh-cn/docs/user/references/protocol/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的 RPC 协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>注册 redis 服务的地址</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
diff --git a/zh-cn/docs/user/references/protocol/rest.html b/zh-cn/docs/user/references/protocol/rest.html
index 7f0034f..a364472 100644
--- a/zh-cn/docs/user/references/protocol/rest.html
+++ b/zh-cn/docs/user/references/protocol/rest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于标准的Java REST API——JAX-RS 2.0(Java API for RESTful Web Services的简写)实现的REST调用支持</p>
 <h2>快速入门</h2>
 <p>在dubbo中开发一个REST风格的服务会比较简单,下面以一个注册用户的简单服务为例说明。</p>
diff --git a/zh-cn/docs/user/references/protocol/rmi.html b/zh-cn/docs/user/references/protocol/rmi.html
index 045614d..f6c682c 100644
--- a/zh-cn/docs/user/references/protocol/rmi.html
+++ b/zh-cn/docs/user/references/protocol/rmi.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>RMI 协议采用 JDK 标准的 <code>java.rmi.*</code> 实现,采用阻塞式短连接和 JDK 标准序列化方式。</p>
 <p>注意:如果正在使用 RMI 提供服务给外部访问 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>,同时应用里依赖了老的 common-collections 包 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 的情况下,存在反序列化安全风险 <sup class="footnote-ref"><a href="#fn3" id="fnref3">[3]</a></sup>。</p>
 <h2>特性</h2>
diff --git a/zh-cn/docs/user/references/protocol/thrift.html b/zh-cn/docs/user/references/protocol/thrift.html
index 3b31a0c..730033f 100644
--- a/zh-cn/docs/user/references/protocol/thrift.html
+++ b/zh-cn/docs/user/references/protocol/thrift.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>当前 dubbo 支持 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>的 thrift 协议是对 thrift 原生协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 的扩展,在原生协议的基础上添加了一些额外的头信息,比如 service name,magic number 等。</p>
 <p>使用 dubbo thrift 协议同样需要使用 thrift 的 idl compiler 编译生成相应的 java 代码,后续版本中会在这方面做一些增强。</p>
 <h2>依赖</h2>
diff --git a/zh-cn/docs/user/references/protocol/webservice.html b/zh-cn/docs/user/references/protocol/webservice.html
index 0e0432e..6d0d9bc 100644
--- a/zh-cn/docs/user/references/protocol/webservice.html
+++ b/zh-cn/docs/user/references/protocol/webservice.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 WebService 的远程调用协议,基于 <a href="http://cxf.apache.org">Apache CXF</a> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 的 <code>frontend-simple</code> 和 <code>transports-http</code> 实现 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <p>可以和原生 WebService 服务互操作,即:</p>
 <ul>
diff --git a/zh-cn/docs/user/references/qos.html b/zh-cn/docs/user/references/qos.html
index 020cba9..9cd1cc0 100644
--- a/zh-cn/docs/user/references/qos.html
+++ b/zh-cn/docs/user/references/qos.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>dubbo <code>2.5.8</code> 新版本增加了 QOS 模块,提供了新的 telnet 命令支持。</p>
 <h2>端口</h2>
 <p>新版本的 telnet 端口 与 dubbo 协议的端口是不同的端口,默认为 <code>22222</code>,可通过配置文件<code>dubbo.properties</code> 修改:</p>
diff --git a/zh-cn/docs/user/references/registry/introduction.html b/zh-cn/docs/user/references/registry/introduction.html
index b8b200c..8f7b7f1 100644
--- a/zh-cn/docs/user/references/registry/introduction.html
+++ b/zh-cn/docs/user/references/registry/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>推荐使用 <a href="./zookeeper.md">Zookeeper 注册中心</a></p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/user/references/registry/multicast.html b/zh-cn/docs/user/references/registry/multicast.html
index 0022544..080e893 100644
--- a/zh-cn/docs/user/references/registry/multicast.html
+++ b/zh-cn/docs/user/references/registry/multicast.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Multicast 注册中心不需要启动任何中心节点,只要广播地址一样,就可以互相发现。</p>
 <p><img src="../../sources/images/multicast.jpg" alt="/user-guide/images/multicast.jpg"></p>
 <ol start="0">
diff --git a/zh-cn/docs/user/references/registry/nacos.html b/zh-cn/docs/user/references/registry/nacos.html
index 823a30a..b50f084 100644
--- a/zh-cn/docs/user/references/registry/nacos.html
+++ b/zh-cn/docs/user/references/registry/nacos.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Nacos 是 Dubbo 生态系统中重要的注册中心实现,其中 <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> 则是 Dubbo 融合 Nacos 注册中心的实现。</p>
 <h2>预备工作</h2>
 <p>当您将 <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-registry/dubbo-registry-nacos"><code>dubbo-registry-nacos</code></a> 整合到您的 Dubbo 工程之前,请确保后台已经启动 Nacos 服务。如果您尚且不熟悉 Nacos 的基本使用的话,可先行参考 <a href="https://nacos.io/en-us/docs/quick-start.html">Nacos 快速入门</a>。建议使用 Nacos <code>1.0.0</code> 及以上的版本。</p>
diff --git a/zh-cn/docs/user/references/registry/redis.html b/zh-cn/docs/user/references/registry/redis.html
index 8bb168a..a69523b 100644
--- a/zh-cn/docs/user/references/registry/redis.html
+++ b/zh-cn/docs/user/references/registry/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>基于 Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的注册中心 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <p><img src="../../sources/images/dubbo-redis-registry.jpg" alt="/user-guide/images/dubbo-redis-registry.jpg"></p>
 <p>使用 Redis 的 Key/Map 结构存储数据结构:</p>
diff --git a/zh-cn/docs/user/references/registry/simple.html b/zh-cn/docs/user/references/registry/simple.html
index 25af712..1298b07 100644
--- a/zh-cn/docs/user/references/registry/simple.html
+++ b/zh-cn/docs/user/references/registry/simple.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>Simple 注册中心本身就是一个普通的 Dubbo 服务,可以减少第三方依赖,使整体通讯方式一致。</p>
 <h2>配置</h2>
 <p>将 Simple 注册中心暴露成 Dubbo 服务:</p>
diff --git a/zh-cn/docs/user/references/registry/zookeeper.html b/zh-cn/docs/user/references/registry/zookeeper.html
index d3b0f93..a5fd3cb 100644
--- a/zh-cn/docs/user/references/registry/zookeeper.html
+++ b/zh-cn/docs/user/references/registry/zookeeper.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><a href="http://zookeeper.apache.org">Zookeeper</a> 是 Apacahe Hadoop 的子项目,是一个树型的目录服务,支持变更推送,适合作为 Dubbo 服务的注册中心,工业强度较高,可用于生产环境,并推荐使用 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p><img src="../../sources/images/zookeeper.jpg" alt="/user-guide/images/zookeeper.jpg"></p>
 <p>流程说明:</p>
diff --git a/zh-cn/docs/user/references/telnet.html b/zh-cn/docs/user/references/telnet.html
index 01ebf23..cc22df8 100644
--- a/zh-cn/docs/user/references/telnet.html
+++ b/zh-cn/docs/user/references/telnet.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>从 <code>2.0.5</code> 版本开始,dubbo 开始支持通过 telnet 命令来进行服务治理。</p>
 <h2>使用</h2>
 <pre><code class="language-sh">telnet localhost 20880
diff --git a/zh-cn/docs/user/references/xml/dubbo-application.html b/zh-cn/docs/user/references/xml/dubbo-application.html
index 9c97c4c..f6bd41c 100644
--- a/zh-cn/docs/user/references/xml/dubbo-application.html
+++ b/zh-cn/docs/user/references/xml/dubbo-application.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>应用信息配置。对应的配置类:<code>org.apache.dubbo.config.ApplicationConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-argument.html b/zh-cn/docs/user/references/xml/dubbo-argument.html
index c25e413..2fe276c 100644
--- a/zh-cn/docs/user/references/xml/dubbo-argument.html
+++ b/zh-cn/docs/user/references/xml/dubbo-argument.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>方法参数配置。对应的配置类: <code>org.apache.dubbo.config.ArgumentConfig</code>。该标签为 <code>&lt;dubbo:method&gt;</code> 的子标签,用于方法参数的特征描述,比如:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findXxx"</span> <span class="hljs-attr">timeout</span>=<span class="hljs-string">"3000"</span> <span class="hljs-attr">retries</span>=<span class="hljs-string">"2"</span>&gt;</span>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:argument</span> <span class="hljs-attr">index</span>=<span class="hljs-string">"0"</span> <span class="hljs-attr">callback</span>=<span class="hljs-string">"true"</span> /&gt;</span>
diff --git a/zh-cn/docs/user/references/xml/dubbo-config-center.html b/zh-cn/docs/user/references/xml/dubbo-config-center.html
index ff4c1f3..7058772 100644
--- a/zh-cn/docs/user/references/xml/dubbo-config-center.html
+++ b/zh-cn/docs/user/references/xml/dubbo-config-center.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>配置中心。对应的配置类:<code>org.apache.dubbo.config.ConfigCenterConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-consumer.html b/zh-cn/docs/user/references/xml/dubbo-consumer.html
index 3d2e6c9..dca1721 100644
--- a/zh-cn/docs/user/references/xml/dubbo-consumer.html
+++ b/zh-cn/docs/user/references/xml/dubbo-consumer.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务消费者缺省值配置。配置类: <code>org.apache.dubbo.config.ConsumerConfig</code> 。同时该标签为 <code>&lt;dubbo:reference&gt;</code> 标签的缺省值设置。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-method.html b/zh-cn/docs/user/references/xml/dubbo-method.html
index 4cbb98e..bc1c36e 100644
--- a/zh-cn/docs/user/references/xml/dubbo-method.html
+++ b/zh-cn/docs/user/references/xml/dubbo-method.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>方法级配置。对应的配置类: <code>org.apache.dubbo.config.MethodConfig</code>。同时该标签为 <code>&lt;dubbo:service&gt;</code> 或 <code>&lt;dubbo:reference&gt;</code> 的子标签,用于控制到方法级。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-module.html b/zh-cn/docs/user/references/xml/dubbo-module.html
index 7e10c57..fa94a1f 100644
--- a/zh-cn/docs/user/references/xml/dubbo-module.html
+++ b/zh-cn/docs/user/references/xml/dubbo-module.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>模块信息配置。对应的配置类 <code>org.apache.dubbo.config.ModuleConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-monitor.html b/zh-cn/docs/user/references/xml/dubbo-monitor.html
index 5c763f9..6783c93 100644
--- a/zh-cn/docs/user/references/xml/dubbo-monitor.html
+++ b/zh-cn/docs/user/references/xml/dubbo-monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>监控中心配置。对应的配置类: <code>org.apache.dubbo.config.MonitorConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-parameter.html b/zh-cn/docs/user/references/xml/dubbo-parameter.html
index c312f91..3893b16 100644
--- a/zh-cn/docs/user/references/xml/dubbo-parameter.html
+++ b/zh-cn/docs/user/references/xml/dubbo-parameter.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>选项参数配置。对应的配置类:<code>java.util.Map</code>。同时该标签为<code>&lt;dubbo:protocol&gt;</code>或<code>&lt;dubbo:service&gt;</code>或<code>&lt;dubbo:provider&gt;</code>或<code>&lt;dubbo:reference&gt;</code>或<code>&lt;dubbo:consumer&gt;</code>的子标签,用于配置自定义参数,该配置项将作为扩展点设置自定义参数使用。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-protocol.html b/zh-cn/docs/user/references/xml/dubbo-protocol.html
index 8fd9b8d..4ca12b6 100644
--- a/zh-cn/docs/user/references/xml/dubbo-protocol.html
+++ b/zh-cn/docs/user/references/xml/dubbo-protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务提供者协议配置。对应的配置类: <code>org.apache.dubbo.config.ProtocolConfig</code>。同时,如果需要支持多协议,可以声明多个 <code>&lt;dubbo:protocol&gt;</code> 标签,并在 <code>&lt;dubbo:service&gt;</code> 中通过 <code>protocol</code> 属性指定使用的协议。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-provider.html b/zh-cn/docs/user/references/xml/dubbo-provider.html
index e7a3f01..853b6b0 100644
--- a/zh-cn/docs/user/references/xml/dubbo-provider.html
+++ b/zh-cn/docs/user/references/xml/dubbo-provider.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务提供者缺省值配置。对应的配置类: <code>org.apache.dubbo.config.ProviderConfig</code>。同时该标签为 <code>&lt;dubbo:service&gt;</code> 和 <code>&lt;dubbo:protocol&gt;</code> 标签的缺省值设置。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-reference.html b/zh-cn/docs/user/references/xml/dubbo-reference.html
index 79e2fce..91fffe4 100644
--- a/zh-cn/docs/user/references/xml/dubbo-reference.html
+++ b/zh-cn/docs/user/references/xml/dubbo-reference.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务消费者引用服务配置。对应的配置类: <code>org.apache.dubbo.config.ReferenceConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-registry.html b/zh-cn/docs/user/references/xml/dubbo-registry.html
index b434efd..a04b47e 100644
--- a/zh-cn/docs/user/references/xml/dubbo-registry.html
+++ b/zh-cn/docs/user/references/xml/dubbo-registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>注册中心配置。对应的配置类: <code>org.apache.dubbo.config.RegistryConfig</code>。同时如果有多个不同的注册中心,可以声明多个 <code>&lt;dubbo:registry&gt;</code> 标签,并在 <code>&lt;dubbo:service&gt;</code> 或 <code>&lt;dubbo:reference&gt;</code> 的 <code>registry</code> 属性指定使用的注册中心。</p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/dubbo-service.html b/zh-cn/docs/user/references/xml/dubbo-service.html
index b6dc794..382cbc6 100644
--- a/zh-cn/docs/user/references/xml/dubbo-service.html
+++ b/zh-cn/docs/user/references/xml/dubbo-service.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>服务提供者暴露服务配置。对应的配置类:<code>org.apache.dubbo.config.ServiceConfig</code></p>
 <table>
 <thead>
diff --git a/zh-cn/docs/user/references/xml/introduction.html b/zh-cn/docs/user/references/xml/introduction.html
index f11cf2f..3db5fea 100644
--- a/zh-cn/docs/user/references/xml/introduction.html
+++ b/zh-cn/docs/user/references/xml/introduction.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>这里以 XML Config <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 为准,列举所有配置项 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。其它配置方式,请参见相应转换关系:<a href="../../configuration/properties.md">属性配置</a>,<a href="../../configuration/annotation.md">注解配置</a>,<a href="../../configuration/api.md">API 配置</a>。</p>
 <p>所有配置项分为三大类,参见下表中的&quot;作用&quot; 一列。</p>
 <ul>
diff --git a/zh-cn/docs/user/rest.html b/zh-cn/docs/user/rest.html
index d8e092e..b50fb7c 100644
--- a/zh-cn/docs/user/rest.html
+++ b/zh-cn/docs/user/rest.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><strong>作者:沈理</strong></p>
 <p><strong>文档版权:<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0许可证 署名-禁止演绎</a></strong></p>
 <p>完善中……</p>
diff --git a/zh-cn/docs/user/serialization.html b/zh-cn/docs/user/serialization.html
index 634102f..6415ce6 100644
--- a/zh-cn/docs/user/serialization.html
+++ b/zh-cn/docs/user/serialization.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><strong>作者:沈理</strong></p>
 <p><strong>文档版权:<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0许可证 署名-禁止演绎</a></strong></p>
 <p>完善中……</p>
diff --git a/zh-cn/docs/user/simple-monitor.html b/zh-cn/docs/user/simple-monitor.html
index 3e3dc5a..495e45a 100644
--- a/zh-cn/docs/user/simple-monitor.html
+++ b/zh-cn/docs/user/simple-monitor.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><img src="sources/images/check.gif" alt="warning">监控中心也是一个标准的Dubbo服务,可以通过注册中心发现,也可以直连。</p>
 </blockquote>
 <blockquote>
diff --git a/zh-cn/docs/user/versions/index.html b/zh-cn/docs/user/versions/index.html
index 7f1e0b1..a8ea552 100644
--- a/zh-cn/docs/user/versions/index.html
+++ b/zh-cn/docs/user/versions/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p><a href="./version-270.md">2.7.x升级步骤及注意事项</a></p>
 </div></section><footer class="footer-container"><div class="footer-body"><img src="/img/dubbo_gray.png"/><img class="apache" src="/img/apache_logo.png"/><div class="cols-container"><div class="col col-12"><h3></h3><p></p></div><div class="col col-4"><dl><dt>ASF</dt><dd><a href="http://www.apache.org" target="_self">基金会</a></dd><dd><a href="http://www.apache.org/licenses/" target="_self">证书</a></dd><dd><a href="http://www.apache.org/events/current-event" target="_self">事件</a></dd><dd><a  [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
diff --git a/zh-cn/docs/user/versions/version-270.html b/zh-cn/docs/user/versions/version-270.html
index 41ee532..17cd218 100644
--- a/zh-cn/docs/user/versions/version-270.html
+++ b/zh-cn/docs/user/versions/version-270.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
+	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a [...]
 <p>环境要求:需要<strong>Java 8</strong>及以上版本。</p>
 <p>2.7.0版本在改造的过程中遵循了一个原则,即<strong>保持与低版本的兼容性,因此从功能层面来说它是与2.6.x及更低版本完全兼容的</strong>,而接下来将要提到的兼容性问题主要是<a href="#1.1">包重命名</a>带来的。另外,虽然功能用法保持向后兼容,但参考本文能帮助您尽快用到2.7.0版本的新特性。</p>
 <h2>升级步骤</h2>
diff --git a/zh-cn/ecology/index.html b/zh-cn/ecology/index.html
new file mode 100644
index 0000000..8d14f95
--- /dev/null
+++ b/zh-cn/ecology/index.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+	<meta name="keywords" content="ecology" />
+	<meta name="description" content="ecology" />
+	<!-- 网页标签标题 -->
+	<title>ecology</title>
+	<link rel="shortcut icon" href="/img/dubbo.ico"/>
+	<link rel="stylesheet" href="/build/ecology.css" />
+</head>
+<body>
+	<div id="root"><div class="ecology-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_colorful.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href= [...]
+	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
+	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
+	<script>
+		window.rootPath = '';
+  </script>
+  <script src="/build/ecology.js"></script>
+  <!-- Global site tag (gtag.js) - Google Analytics -->
+	<script async src="https://www.googletagmanager.com/gtag/js?id=UA-112489517-1"></script>
+	<script>
+		window.dataLayer = window.dataLayer || [];
+		function gtag(){dataLayer.push(arguments);}
+		gtag('js', new Date());
+
+		gtag('config', 'UA-112489517-1');
+	</script>
+</body>
+</html>
\ No newline at end of file
diff --git a/zh-cn/index.html b/zh-cn/index.html
index e02ca6b..65e6d53 100644
--- a/zh-cn/index.html
+++ b/zh-cn/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/home.css" />
 </head>
 <body>
-	<div id="root"><div class="home-page" data-reactroot=""><section class="top-section"><header class="header-container header-container-primary"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_white.png"/></a><div class="search search-primary"><span class="icon-search"></span></div><span class="language-switch language-switch-primary">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_white.png"/><ul><li class="menu-item [...]
+	<div id="root"><div class="home-page" data-reactroot=""><section class="top-section"><header class="header-container header-container-primary"><div class="header-body"><a href="/zh-cn/index.html"><img class="logo" src="/img/dubbo_white.png"/></a><div class="search search-primary"><span class="icon-search"></span></div><span class="language-switch language-switch-primary">En</span><div class="header-menu"><img class="header-menu-toggle" src="/img/menu_white.png"/><ul><li class="menu-item [...]
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
 	<script>