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Posted to commits@dubbo.apache.org by gi...@apache.org on 2021/09/07 01:55:47 UTC

[dubbo-website] branch asf-site updated: deploy: 7af3bd7c72cece323f569ef6deb462dfb4534fa7

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

github-bot 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 99bb6e1  deploy: 7af3bd7c72cece323f569ef6deb462dfb4534fa7
99bb6e1 is described below

commit 99bb6e1c9229ac479d6f907a13d2b03f13a5bf54
Author: htynkn <ht...@users.noreply.github.com>
AuthorDate: Tue Sep 7 01:55:02 2021 +0000

    deploy: 7af3bd7c72cece323f569ef6deb462dfb4534fa7
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="3.0.1 Release Note">
diff --git a/en/blog/2021/08/18/3.0.2-release-note/index.html b/en/blog/2021/08/18/3.0.2-release-note/index.html
index 062fb9d..544a029 100644
--- a/en/blog/2021/08/18/3.0.2-release-note/index.html
+++ b/en/blog/2021/08/18/3.0.2-release-note/index.html
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/blog/2021/08/18/3.0.2-release-note/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2021-08-18T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="3.0.2 Release Note">
 <meta itemprop=description content="The release note of Apache Dubbo 3.0.2
 "><meta itemprop=datePublished content="2021-08-18T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="510">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="3.0.2 Release Note">
diff --git a/en/blog/2021/08/23/3.0.2.1-release-note/index.html b/en/blog/2021/08/23/3.0.2.1-release-note/index.html
index 3dba70b..1fc65b7 100644
--- a/en/blog/2021/08/23/3.0.2.1-release-note/index.html
+++ b/en/blog/2021/08/23/3.0.2.1-release-note/index.html
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/blog/2021/08/23/3.0.2.1-release-note/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2021-08-23T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="3.0.2.1 Release Note">
 <meta itemprop=description content="The release note of Apache Dubbo 3.0.2.1
 "><meta itemprop=datePublished content="2021-08-23T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="43">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="3.0.2.1 Release Note">
diff --git a/en/docs/contribution-guidelines/committer/apache-dubbo-page_dev/index.html b/en/docs/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
index 9a9bf1c..08b497e 100644
--- a/en/docs/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
+++ b/en/docs/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
@@ -19,11 +19,11 @@
 When the project has undergone major changes, such as the addition of a new committer, the election of a new PMC, or a new version of Release, etc, these updates need to be maintained on this page. The project address for this official website is https://svn.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/committer/apache-dubbo-page_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Apache Official Dubbo Page Maintenance">
 <meta itemprop=description content="Apache has an official website that maintains information about all incubation projects. Each incubation project has an information page under this website. Dubbo&rsquo;s information page address is https://incubator.apache.org/projects/dubbo.html.
 When the project has undergone major changes, such as the addition of a new committer, the election of a new PMC, or a new version of Release, etc, these updates need to be maintained on this page. The project address for this official website is https://svn.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="198">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Apache Official Dubbo Page Maintenance">
@@ -583,7 +583,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/committer/index.html b/en/docs/contribution-guidelines/committer/index.html
index 8ed7875..0a78436 100644
--- a/en/docs/contribution-guidelines/committer/index.html
+++ b/en/docs/contribution-guidelines/committer/index.html
@@ -584,7 +584,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/committer/label-an-issue-guide_dev/index.html b/en/docs/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
index 533b1fb..528a725 100644
--- a/en/docs/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
@@ -22,14 +22,14 @@ Some frequently used labels:
  help wanted good first issue    Prority">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/committer/label-an-issue-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Label an Issue">
 <meta itemprop=description content="If you are handling an issue, remember to mark the issue cearly with one or more labels whenever you think it&rsquo;s meaningful. With labels on, other developers can easily recognize problems, classify them or track progress.
 For issues or pull requests that need coding and further version release to fix, you should always mark it with a milestone.
 Some frequently used labels:
   Help Wanted
  help wanted good first issue    Prority">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="85">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Label an Issue">
@@ -608,7 +608,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/committer/new-committer-guide_dev/index.html b/en/docs/contribution-guidelines/committer/new-committer-guide_dev/index.html
index cc50219..1d66b1c 100644
--- a/en/docs/contribution-guidelines/committer/new-committer-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/committer/new-committer-guide_dev/index.html
@@ -19,11 +19,11 @@
 The active contributor is elected as a committer At the late development stage, an active contributor can be elected as a committer.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/committer/new-committer-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Apache Committer Guide">
 <meta itemprop=description content="First: How to become a committer Initial committers at the project incubator stage 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 incubator wiki for details.
 The active contributor is elected as a committer At the late development stage, an active contributor can be elected as a committer.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="887">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Apache Committer Guide">
@@ -677,7 +677,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/committer/release-guide_dev/index.html b/en/docs/contribution-guidelines/committer/release-guide_dev/index.html
index 2e0abc8..2b7c0e6 100644
--- a/en/docs/contribution-guidelines/committer/release-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/committer/release-guide_dev/index.html
@@ -20,12 +20,12 @@ Please refer to the following links for more information on ASF&rsquo;s release
  Apache Release Guide Apache Release Policy Maven Release Info  Preparation of Local Building Environment Mainly including the related preparation of signature utilities and Maven repository certification">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/committer/release-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Release Guide">
 <meta itemprop=description content="Understanding the Apache Release Cycle 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.
 Please refer to the following links for more information on ASF&rsquo;s release guide:
  Apache Release Guide Apache Release Policy Maven Release Info  Preparation of Local Building Environment Mainly including the related preparation of signature utilities and Maven repository certification">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="2520">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Release Guide">
@@ -994,7 +994,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/committer/website-guide_dev/index.html b/en/docs/contribution-guidelines/committer/website-guide_dev/index.html
index 682f196..22b3938 100644
--- a/en/docs/contribution-guidelines/committer/website-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/committer/website-guide_dev/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content=" The website repository of Apache Dubbo is https://github.com/apache/dubbo-website After building the website, it&rsquo;ll be published to dubbo.apache.org automatically, you can also trigger it manually via https://selfserve.apache.org (need to login with Apache account)  ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/committer/website-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Website Guide">
 <meta itemprop=description content=" The website repository of Apache Dubbo is https://github.com/apache/dubbo-website After building the website, it&rsquo;ll be published to dubbo.apache.org automatically, you can also trigger it manually via https://selfserve.apache.org (need to login with Apache account)  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="32">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Website Guide">
@@ -560,7 +560,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/contributor/become-a-committer_dev/index.html b/en/docs/contribution-guidelines/contributor/become-a-committer_dev/index.html
index 56d0ec5..08346e3 100644
--- a/en/docs/contribution-guidelines/contributor/become-a-committer_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/become-a-committer_dev/index.html
@@ -19,11 +19,11 @@
 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.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/become-a-committer_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="How to become a Dubbo committer">
 <meta itemprop=description content="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.
 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.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="214">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="How to become a Dubbo committer">
@@ -566,7 +566,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/contribution-guidelines/contributor/cla-signing-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
index c4e5bd3..f4be4b5 100644
--- a/en/docs/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
@@ -19,11 +19,11 @@
  You have made lots of contribution to Dubbo before Dubbo get donated to Apache, and you haven&rsquo;t sign the Alibaba-CLA before. You have made lots of contribution to Dubbo, and you are invited to become committer of Dubbo, and you have not signed Alibaba-CLA or Apache ICLA before.  Steps  Download this pdf Fill in the necessary blanks Print it out Sign the printed file Scan it Send an email to secretary@apache.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/cla-signing-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="CLA Signing Guide">
 <meta itemprop=description content="You are required to sign the Apache ICLA under the following condition:
  You have made lots of contribution to Dubbo before Dubbo get donated to Apache, and you haven&rsquo;t sign the Alibaba-CLA before. You have made lots of contribution to Dubbo, and you are invited to become committer of Dubbo, and you have not signed Alibaba-CLA or Apache ICLA before.  Steps  Download this pdf Fill in the necessary blanks Print it out Sign the printed file Scan it Send an email to secretary@apache.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="162">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="CLA Signing Guide">
@@ -585,7 +585,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
index 7e7d00c..879341f 100644
--- a/en/docs/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
@@ -19,11 +19,11 @@
 Dubbo Ecosystem We recommend you to put extension to Dubbo ecosystem. Using this pattern will keep the core repository cleaner and decrease the maintains work. With less code also speed up core repository build process.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/dubbo-extension-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Extension Guide">
 <meta itemprop=description content="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.
 Dubbo Ecosystem We recommend you to put extension to Dubbo ecosystem. Using this pattern will keep the core repository cleaner and decrease the maintains work. With less code also speed up core repository build process.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="297">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Extension Guide">
@@ -601,7 +601,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/index.html b/en/docs/contribution-guidelines/contributor/index.html
index 888e465..b9d1636 100644
--- a/en/docs/contribution-guidelines/contributor/index.html
+++ b/en/docs/contribution-guidelines/contributor/index.html
@@ -602,7 +602,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html
index c4e8d78..b17f366 100644
--- a/en/docs/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html
@@ -21,13 +21,13 @@ Here is a brief guide specific to Dubbo:
  Send an email to dev-subscribe@dubbo.apache.org, you can have empty subject and empty content. You will receive an email with the following content:  from: dev-help@dubbo.apache.org reply-to: dev-sc.xxxxxxx.xxxxxxxx-hello=example.com@dubbo.apache.org to: hello@example.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Mailing List Subscription Guide">
 <meta itemprop=description content="The Dubbo developer mailing list (dev@dubbo.apache.org) for Apache Incubator has been established, please feel free to subscribe and refer to [^1] for more details.
 You can also view the archive of the mailing list
 Here is a brief guide specific to Dubbo:
  Send an email to dev-subscribe@dubbo.apache.org, you can have empty subject and empty content. You will receive an email with the following content:  from: dev-help@dubbo.apache.org reply-to: dev-sc.xxxxxxx.xxxxxxxx-hello=example.com@dubbo.apache.org to: hello@example.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="323">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Mailing List Subscription Guide">
@@ -638,7 +638,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/new-contributor-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/new-contributor-guide_dev/index.html
index 5ae64c5..4db46c3 100644
--- a/en/docs/contribution-guidelines/contributor/new-contributor-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/new-contributor-guide_dev/index.html
@@ -21,13 +21,13 @@ To subscribe to the following mailing list, please refer to Mailing list subscri
  dev@dubbo.apache.org: the develop mailing list, you can ask question here if you have encountered any problem when using or developing Dubbo.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/new-contributor-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="New Contributor Guide">
 <meta itemprop=description content="This is a guide for new comers who wants to contribute to Dubbo.
 Subscribe to the mailing list The mailing list is the recommended way for discussing almost anything that related to Dubbo. Please refer to this issue for detailed documentation on how to subscribe.
 To subscribe to the following mailing list, please refer to Mailing list subscription guide
  dev@dubbo.apache.org: the develop mailing list, you can ask question here if you have encountered any problem when using or developing Dubbo.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="419">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="New Contributor Guide">
@@ -627,7 +627,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/reporting-security-issues_dev/index.html b/en/docs/contribution-guidelines/contributor/reporting-security-issues_dev/index.html
index c469e7b..d19a989 100644
--- a/en/docs/contribution-guidelines/contributor/reporting-security-issues_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/reporting-security-issues_dev/index.html
@@ -19,11 +19,11 @@
 REPORTING VULNERABILITY If you have apprehensions regarding Dubbo&rsquo;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 security@dubbo.apache.org. In the mail, specify the description of the issue or potential threat.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/reporting-security-issues_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Reporting Security Issues">
 <meta itemprop=description content="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.
 REPORTING VULNERABILITY If you have apprehensions regarding Dubbo&rsquo;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 security@dubbo.apache.org. In the mail, specify the description of the issue or potential threat.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="186">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Reporting Security Issues">
@@ -572,7 +572,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/software-donation-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/software-donation-guide_dev/index.html
index e1f7ca9..25c61d6 100644
--- a/en/docs/contribution-guidelines/contributor/software-donation-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/software-donation-guide_dev/index.html
@@ -20,12 +20,12 @@ If you are donating significant amount of code or documentation to Apache Dubbo
 Steps  Download this pdf Print it out Fill in the blanks (see below as an example) Request your boss to sign it Scan it Send an email to secretary@apache.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/software-donation-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Software Donation Guide">
 <meta itemprop=description content="Before you go through this guide, make sure you have confirmed with PMC that a SGA is actually needed.
 If you are donating significant amount of code or documentation to Apache Dubbo , you will be required to sign a Software Grant before your code/doc could be merged.
 Steps  Download this pdf Print it out Fill in the blanks (see below as an example) Request your boss to sign it Scan it Send an email to secretary@apache.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="602">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Software Donation Guide">
@@ -661,7 +661,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/contributor/test-coverage-guide_dev/index.html b/en/docs/contribution-guidelines/contributor/test-coverage-guide_dev/index.html
index 733496f..636d616 100644
--- a/en/docs/contribution-guidelines/contributor/test-coverage-guide_dev/index.html
+++ b/en/docs/contribution-guidelines/contributor/test-coverage-guide_dev/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="The benefits of unit testing  Unit test code can help everyone to go into details and understand the function of the code. We can find bugs by test case, and then enhance the robustness of the code. Test case code is also the demo usage of the core code.  Some design principle of unit test case  Steps, fine-grained and combination conditions should be well designed. Attention to boundary condition test Test code should also be designed without wri [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/contribution-guidelines/contributor/test-coverage-guide_dev/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Test Coverage Guide">
 <meta itemprop=description content="The benefits of unit testing  Unit test code can help everyone to go into details and understand the function of the code. We can find bugs by test case, and then enhance the robustness of the code. Test case code is also the demo usage of the core code.  Some design principle of unit test case  Steps, fine-grained and combination conditions should be well designed. Attention to boundary condition test Test code should also be designed without writing  [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="169">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Test Coverage Guide">
@@ -587,7 +587,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/contribution-guidelines/index.html b/en/docs/contribution-guidelines/index.html
index aab402b..1f87915 100644
--- a/en/docs/contribution-guidelines/index.html
+++ b/en/docs/contribution-guidelines/index.html
@@ -669,7 +669,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/index.html b/en/docs/index.html
index d9a888a..c55c36d 100644
--- a/en/docs/index.html
+++ b/en/docs/index.html
@@ -572,7 +572,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/index.xml b/en/docs/index.xml
index 20bb08d..84ec1af 100644
--- a/en/docs/index.xml
+++ b/en/docs/index.xml
@@ -2767,6 +2767,10 @@ java -Ddubbo.registry.check &lt;span style="color:#719e07">=&lt;/span> &lt;span
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.rmi.RmiProtocol&lt;/code>&lt;/li>
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.http.HttpProtocol&lt;/code>&lt;/li>
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.http.hessian.HessianProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.memcached.MemcachedProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.support.MockProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.redis.RedisProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.nativethrift.ThriftProtocol&lt;/code>&lt;/li>
 &lt;/ul>
 &lt;h2 id="extension-guide">Extension Guide&lt;/h2>
 &lt;p>Directory layout:&lt;/p>
diff --git a/en/docs/notices/index.html b/en/docs/notices/index.html
index 02548fc..75200b9 100644
--- a/en/docs/notices/index.html
+++ b/en/docs/notices/index.html
@@ -557,7 +557,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/notices/security/index.html b/en/docs/notices/security/index.html
index 45225e5..b35f4d9 100644
--- a/en/docs/notices/security/index.html
+++ b/en/docs/notices/security/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Deserialization Vulnerability">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/notices/security/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="vulnerability">
 <meta itemprop=description content="Deserialization Vulnerability">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="410">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="vulnerability">
@@ -604,7 +604,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/index.html b/en/docs/v2.7/admin/index.html
index f559ce3..7b17fd9 100644
--- a/en/docs/v2.7/admin/index.html
+++ b/en/docs/v2.7/admin/index.html
@@ -566,7 +566,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/admin-console/index.html b/en/docs/v2.7/admin/install/admin-console/index.html
index 3d9d7b4..a5a9edf 100644
--- a/en/docs/v2.7/admin/install/admin-console/index.html
+++ b/en/docs/v2.7/admin/install/admin-console/index.html
@@ -25,7 +25,7 @@ http://127.0.0.1:8080   There&rsquo;s no login for current version, will be adde
    ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/admin-console/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Install Admin Console">
 <meta itemprop=description content="The current version of dubbo admin is under development, including: route rule, dynamic configuration, access control, weight adjustment, load balance, etc.
 Install:
@@ -35,7 +35,7 @@ mvn --projects dubbo-admin-backend spring-boot:run For more information, please
 https://github.com/apache/dubbo-admin Visit [^2]:
 http://127.0.0.1:8080   There&rsquo;s no login for current version, will be added later&#160;&#8617;&#xfe0e;
    ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="64">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Install Admin Console">
@@ -606,7 +606,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/consumer-demo/index.html b/en/docs/v2.7/admin/install/consumer-demo/index.html
index c84b3ef..bfa2af5 100644
--- a/en/docs/v2.7/admin/install/consumer-demo/index.html
+++ b/en/docs/v2.7/admin/install/consumer-demo/index.html
@@ -20,12 +20,12 @@ $ git clone https://github.com/apache/dubbo.git $ cd dubbo/dubbo-demo/dubbo-demo
 # resources/spring/dubbo-consumer.xml # change dubbo:registry to the real registry center address, for example: # <dubbo:registry address=&#34;zookeeper://127.0.0.1:2181&#34;/> ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/consumer-demo/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Install Demo Consumer">
 <meta itemprop=description content="Install:
 $ git clone https://github.com/apache/dubbo.git $ cd dubbo/dubbo-demo/dubbo-demo-xml # run org.apache.dubbo.demo.consumer.Application under dubbo-demo-xml-consumer module # please start Provider first # add -Djava.net.preferIPv4Stack=true if your IDE is Intellij Idea Configuration:
 # resources/spring/dubbo-consumer.xml # change dubbo:registry to the real registry center address, for example: # <dubbo:registry address=&#34;zookeeper://127.0.0.1:2181&#34;/> ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="45">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Install Demo Consumer">
@@ -576,7 +576,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/index.html b/en/docs/v2.7/admin/install/index.html
index 19ac640..9eb39a9 100644
--- a/en/docs/v2.7/admin/install/index.html
+++ b/en/docs/v2.7/admin/install/index.html
@@ -598,7 +598,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/monitor-center/index.html b/en/docs/v2.7/admin/install/monitor-center/index.html
index c274eb3..86c291d 100644
--- a/en/docs/v2.7/admin/install/monitor-center/index.html
+++ b/en/docs/v2.7/admin/install/monitor-center/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="The function of monitor center will be merged to dubbo admin, based on metrics, coming soon">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/monitor-center/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Install Simple monitor center">
 <meta itemprop=description content="The function of monitor center will be merged to dubbo admin, based on metrics, coming soon">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="16">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Install Simple monitor center">
@@ -560,7 +560,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/provider-demo/index.html b/en/docs/v2.7/admin/install/provider-demo/index.html
index 3e2b8ba..679ccdb 100644
--- a/en/docs/v2.7/admin/install/provider-demo/index.html
+++ b/en/docs/v2.7/admin/install/provider-demo/index.html
@@ -20,12 +20,12 @@ $ git clone https://github.com/apache/dubbo.git $ cd dubbo/dubbo-demo/dubbo-demo
 # resources/spring/dubbo-provider.xml # change dubbo:registry to a real registry server address, zookeeper is recommended, for example: # <dubbo:registry address=&#34;zookeeper://127.0.0.1:2181&#34;/> ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/provider-demo/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Install Demo Provider">
 <meta itemprop=description content="install:
 $ git clone https://github.com/apache/dubbo.git $ cd dubbo/dubbo-demo/dubbo-demo-xml # run org.apache.dubbo.demo.provider.Application under dubbo-demo-xml-provider module # add -Djava.net.preferIPv4Stack=true if your IDE is Intellij Idea configuration:
 # resources/spring/dubbo-provider.xml # change dubbo:registry to a real registry server address, zookeeper is recommended, for example: # <dubbo:registry address=&#34;zookeeper://127.0.0.1:2181&#34;/> ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="43">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Install Demo Provider">
@@ -575,7 +575,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/redis/index.html b/en/docs/v2.7/admin/install/redis/index.html
index 03bffac5..00433c5 100644
--- a/en/docs/v2.7/admin/install/redis/index.html
+++ b/en/docs/v2.7/admin/install/redis/index.html
@@ -25,7 +25,7 @@ nohup ./src/redis-server redis.conf & Stop:
 killall redis-server  Command line 3:  .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/redis/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Install Redis Register Center">
 <meta itemprop=description content="Redis 1 introductions, please refer to: Redis application center manual.
 you need an origin Redis server only, and change the value from dubbo.registry.address to redis://127.0.0.1:6379 in conf/dubbo.properties of quick start
@@ -35,7 +35,7 @@ wget http://redis.googlecode.com/files/redis-2.4.8.tar.gz tar xzf redis-2.4.8.ta
 vi redis.conf Start:
 nohup ./src/redis-server redis.conf & Stop:
 killall redis-server  Command line 3:  .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="101">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Install Redis Register Center">
@@ -616,7 +616,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/install/zookeeper/index.html b/en/docs/v2.7/admin/install/zookeeper/index.html
index caa4ee7..b28e1ba 100644
--- a/en/docs/v2.7/admin/install/zookeeper/index.html
+++ b/en/docs/v2.7/admin/install/zookeeper/index.html
@@ -23,7 +23,7 @@ vi conf/zoo.cfg If cluster is not needed, the content of zoo.cfg is as below 2:
 tickTime=2000 initLimit=10 syncLimit=5 dataDir=/home/dubbo/zookeeper-3.3.3/data clientPort=2181 If cluster is needed, the content of zoo.cfg is as below 3:">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/install/zookeeper/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="install Zookeeper Configuration Center">
 <meta itemprop=description content="zookeeper register center client version: dubbo-2.3.3 and above1
 Dubbo changes nothing of Zookeeper&rsquo;s server side, an original Zookeeper server is fine. All change happens while calling Zookeeper&rsquo;s client side
@@ -31,7 +31,7 @@ install:
 wget http://archive.apache.org/dist/zookeeper/zookeeper-3.3.3/zookeeper-3.3.3.tar.gz tar zxvf zookeeper-3.3.3.tar.gz cd zookeeper-3.3.3 cp conf/zoo_sample.cfg conf/zoo.cfg configuration:
 vi conf/zoo.cfg If cluster is not needed, the content of zoo.cfg is as below 2:
 tickTime=2000 initLimit=10 syncLimit=5 dataDir=/home/dubbo/zookeeper-3.3.3/data clientPort=2181 If cluster is needed, the content of zoo.cfg is as below 3:">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="184">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="install Zookeeper Configuration Center">
@@ -635,7 +635,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/admin/ops/apidocs/index.html b/en/docs/v2.7/admin/ops/apidocs/index.html
index e2a0a98..d19410f 100644
--- a/en/docs/v2.7/admin/ops/apidocs/index.html
+++ b/en/docs/v2.7/admin/ops/apidocs/index.html
@@ -20,12 +20,12 @@ Adding some annotations can generate a swagger like document without turning a n
 How to use?  Dubbo api docs annotation added to method parameters of Dubbo project  Dubbo provider project introduces dubbo-api-docs-core If Dubbo&rsquo;s interface and parameters are a separate jar package project, introduce dubbo-api-docs-annotations Add the annotation @EnableDubboApiDocs to the project startup class (marked with @SpringBootApplication) or configuration class (marked with @Configuration) of the provider project to enable the Dubbo API Docs  In order to avoid increasing [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/apidocs/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="API Docs&Test">
 <meta itemprop=description content="dubbo api docs Dubbo api documents, test tools, generate documents according to annotations, and provide test functions
 Adding some annotations can generate a swagger like document without turning a non web Dubbo project into a web project
 How to use?  Dubbo api docs annotation added to method parameters of Dubbo project  Dubbo provider project introduces dubbo-api-docs-core If Dubbo&rsquo;s interface and parameters are a separate jar package project, introduce dubbo-api-docs-annotations Add the annotation @EnableDubboApiDocs to the project startup class (marked with @SpringBootApplication) or configuration class (marked with @Configuration) of the provider project to enable the Dubbo API Docs  In order to avoid increasing [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="525">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="API Docs&Test">
@@ -698,7 +698,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/functions/index.html b/en/docs/v2.7/admin/ops/functions/index.html
index ff8efe7..a3a6f18 100644
--- a/en/docs/v2.7/admin/ops/functions/index.html
+++ b/en/docs/v2.7/admin/ops/functions/index.html
@@ -19,11 +19,11 @@
 Service provider page Service consumer page Add route rule page Add dynamic configuration page ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/functions/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo Admin Functions">
 <meta itemprop=description content="Page search If you need to manage a Dubbo service, you need to search it first and open it&rsquo;s management page
 Service provider page Service consumer page Add route rule page Add dynamic configuration page ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="35">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo Admin Functions">
@@ -582,7 +582,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/governance/index.html b/en/docs/v2.7/admin/ops/governance/index.html
index e02bf42..f8cd13c 100644
--- a/en/docs/v2.7/admin/ops/governance/index.html
+++ b/en/docs/v2.7/admin/ops/governance/index.html
@@ -19,11 +19,11 @@
 application level service governance In Dubbo 2.6 or earlier version, all service governance rule are in service scope, if you need to make application scope rule, you need to set the same rule for all services under an application, modify and delete need the same operation, this is very unfriendly.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/governance/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Service Governance And Configuration Management">
 <meta itemprop=description content="Service governance the basic function of service governance is changing the runtime behaviour and routing logic, to do weight configuration and current limiting:
 application level service governance In Dubbo 2.6 or earlier version, all service governance rule are in service scope, if you need to make application scope rule, you need to set the same rule for all services under an application, modify and delete need the same operation, this is very unfriendly.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="493">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Service Governance And Configuration Management">
@@ -617,7 +617,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/index.html b/en/docs/v2.7/admin/ops/index.html
index 94804b4..c68ad75 100644
--- a/en/docs/v2.7/admin/ops/index.html
+++ b/en/docs/v2.7/admin/ops/index.html
@@ -605,7 +605,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/introduction/index.html b/en/docs/v2.7/admin/ops/introduction/index.html
index 1f6915a..406399ac 100644
--- a/en/docs/v2.7/admin/ops/introduction/index.html
+++ b/en/docs/v2.7/admin/ops/introduction/index.html
@@ -20,12 +20,12 @@ Deploy the whole project through maven  install  git clone https://github.com/ap
 http://localhost:8080  Deploy frontend and backend separately  frontend deploy  cd dubbo-admin-ui npm install npm run dev  backend deploy  cd dubbo-admin-server mvn clean package cd target java -jar dubbo-admin-server-0.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/introduction/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo Admin Introductions">
 <meta itemprop=description content="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.
 Deploy the whole project through maven  install  git clone https://github.com/apache/dubbo-admin.git cd dubbo-admin mvn clean package cd dubbo-admin-distribution/target java -jar dubbo-admin-0.1.jar  visit
 http://localhost:8080  Deploy frontend and backend separately  frontend deploy  cd dubbo-admin-ui npm install npm run dev  backend deploy  cd dubbo-admin-server mvn clean package cd target java -jar dubbo-admin-server-0.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="185">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo Admin Introductions">
@@ -632,7 +632,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/pinpoint/index.html b/en/docs/v2.7/admin/ops/pinpoint/index.html
index 3caa3f3..f7fa452 100644
--- a/en/docs/v2.7/admin/ops/pinpoint/index.html
+++ b/en/docs/v2.7/admin/ops/pinpoint/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="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).">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/pinpoint/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Tracking with Pinpoint">
 <meta itemprop=description content="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).">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="888">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Tracking with Pinpoint">
@@ -945,7 +945,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/search/index.html b/en/docs/v2.7/admin/ops/search/index.html
index adbad20..2d0d79d 100644
--- a/en/docs/v2.7/admin/ops/search/index.html
+++ b/en/docs/v2.7/admin/ops/search/index.html
@@ -19,11 +19,11 @@
 the service detail page display providers, consumers, medata information is supported in Dubbo 2.7 or higher version:">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/search/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Service Search And Service Detail">
 <meta itemprop=description content="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:
 the service detail page display providers, consumers, medata information is supported in Dubbo 2.7 or higher version:">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="47">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Service Search And Service Detail">
@@ -566,7 +566,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/skywalking/index.html b/en/docs/v2.7/admin/ops/skywalking/index.html
index 55f97dd..b11e374 100644
--- a/en/docs/v2.7/admin/ops/skywalking/index.html
+++ b/en/docs/v2.7/admin/ops/skywalking/index.html
@@ -19,11 +19,11 @@
 Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/skywalking/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Tracing Dubbo service with Apache Skywalking">
 <meta itemprop=description content="Introduction to Apache Skywalking Apache Skywalking(Incubator) is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. Apache skywalking (incubator) collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking supports multiple languages agent, for example Java,.net core,Node.js and Go.
 Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="470">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Tracing Dubbo service with Apache Skywalking">
@@ -681,7 +681,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/admin/ops/test/index.html b/en/docs/v2.7/admin/ops/test/index.html
index 783fdf4..79cfe90 100644
--- a/en/docs/v2.7/admin/ops/test/index.html
+++ b/en/docs/v2.7/admin/ops/test/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="please refer to this blog">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/admin/ops/test/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Service Test">
 <meta itemprop=description content="please refer to this blog">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="5">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Service Test">
@@ -560,7 +560,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/build/index.html b/en/docs/v2.7/dev/build/index.html
index 763d2f4..b840c37 100644
--- a/en/docs/v2.7/dev/build/index.html
+++ b/en/docs/v2.7/dev/build/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Build dubbo from source code">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/build/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Source Code Build">
 <meta itemprop=description content="Build dubbo from source code">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="207">
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@@ -607,7 +607,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/checklist/index.html b/en/docs/v2.7/dev/checklist/index.html
index a0dec3d..9cba491 100644
--- a/en/docs/v2.7/dev/checklist/index.html
+++ b/en/docs/v2.7/dev/checklist/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Checklist">
 <meta itemprop=description content="Checklist before release">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="59">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Checklist">
@@ -581,7 +581,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/code-smell/index.html b/en/docs/v2.7/dev/code-smell/index.html
index 1009acc..0433a46 100644
--- a/en/docs/v2.7/dev/code-smell/index.html
+++ b/en/docs/v2.7/dev/code-smell/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Bad code smells which should be avoided">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/code-smell/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Bad Smell">
 <meta itemprop=description content="Bad code smells which should be avoided">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -698,7 +698,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/coding/index.html b/en/docs/v2.7/dev/coding/index.html
index f6a5c2e..9e5fc03 100644
--- a/en/docs/v2.7/dev/coding/index.html
+++ b/en/docs/v2.7/dev/coding/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo coding convention">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/coding/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Coding Convention">
 <meta itemprop=description content="Dubbo coding convention">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Coding Convention">
@@ -628,7 +628,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/contract/index.html b/en/docs/v2.7/dev/contract/index.html
index 5051108..ea9161d 100644
--- a/en/docs/v2.7/dev/contract/index.html
+++ b/en/docs/v2.7/dev/contract/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo public agreement">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/contract/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Public Agreement">
 <meta itemprop=description content="Dubbo public agreement">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="67">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Public Agreement">
@@ -569,7 +569,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/design/index.html b/en/docs/v2.7/dev/design/index.html
index 7355aa5..3cd208d 100644
--- a/en/docs/v2.7/dev/design/index.html
+++ b/en/docs/v2.7/dev/design/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo frame design">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/design/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Framework Design">
 <meta itemprop=description content="Dubbo frame design">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1155">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Framework Design">
@@ -652,7 +652,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/implementation/index.html b/en/docs/v2.7/dev/implementation/index.html
index 1a3aed3..a228630 100644
--- a/en/docs/v2.7/dev/implementation/index.html
+++ b/en/docs/v2.7/dev/implementation/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo implementation details">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/implementation/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Implementation details">
 <meta itemprop=description content="Dubbo implementation details">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1283">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Implementation details">
@@ -762,7 +762,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/cache/index.html b/en/docs/v2.7/dev/impls/cache/index.html
index 36f811f..c8bfa5f 100644
--- a/en/docs/v2.7/dev/impls/cache/index.html
+++ b/en/docs/v2.7/dev/impls/cache/index.html
@@ -21,13 +21,13 @@ Extension Configuration <dubbo:service cache=&#34;lru&#34; /> <!-- method level
 src |-main |-java |-com |-xxx |-XxxCacheFactory.java (CacheFactory implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.cache.CacheFactory (plain text file with contents: xxx=com.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/cache/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Cache Extension">
 <meta itemprop=description content="Summary Cache the return value, use request parameter as the key.
 Extension Interface org.apache.dubbo.cache.CacheFactory
 Extension Configuration <dubbo:service cache=&#34;lru&#34; /> <!-- method level cache --> <dubbo:service><dubbo:method cache=&#34;lru&#34; /></dubbo:service> <!-- 缺省值设置,当<dubbo:service>没有配置cache属性时,使用此配置 --> <!-- default configuration, will take affect if cache attribute isn't configured in <dubbo:service> --> <dubbo:provider cache=&#34;xxx,yyy&#34; /> Existing Extensions  org.apache.dubbo.cache.support.lru.LruCacheFactory org.apache.dubbo.cache.support.threadlocal.ThreadLocalCacheFactor [...]
 src |-main |-java |-com |-xxx |-XxxCacheFactory.java (CacheFactory implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.cache.CacheFactory (plain text file with contents: xxx=com.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="139">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Cache Extension">
@@ -635,7 +635,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/cluster/index.html b/en/docs/v2.7/dev/impls/cluster/index.html
index e76681f..a0d50ec 100644
--- a/en/docs/v2.7/dev/impls/cluster/index.html
+++ b/en/docs/v2.7/dev/impls/cluster/index.html
@@ -21,13 +21,13 @@ Extension Configuration <dubbo:protocol cluster=&#34;xxx&#34; /> <!-- default co
 src |-main |-java |-com |-xxx |-XxxCluster.java (Cluster implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.cluster.Cluster (plain text file with the content: xxx=com.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/cluster/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Cluster Extension">
 <meta itemprop=description content="Summary Group service providers in a cluster, and treat them as one single provider.
 Extension Interface org.apache.dubbo.rpc.cluster.Cluster
 Extension Configuration <dubbo:protocol cluster=&#34;xxx&#34; /> <!-- default configuration, will take affect if cluster attribute is not configured in <dubbo:protocol> --> <dubbo:provider cluster=&#34;xxx&#34; /> Existing Extensions  org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterWrapper org.apache.dubbo.rpc.cluster.support.FailoverCluster org.apache.dubbo.rpc.cluster.support.FailfastCluster org.apache.dubbo.rpc.cluster.support.FailsafeCluster org.apache.dubbo.rpc.cluster.suppo [...]
 src |-main |-java |-com |-xxx |-XxxCluster.java (Cluster implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.cluster.Cluster (plain text file with the content: xxx=com.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="131">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Cluster Extension">
@@ -634,7 +634,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/compiler/index.html b/en/docs/v2.7/dev/impls/compiler/index.html
index c1eb44b..8f96940 100644
--- a/en/docs/v2.7/dev/impls/compiler/index.html
+++ b/en/docs/v2.7/dev/impls/compiler/index.html
@@ -23,7 +23,7 @@ src |-main |-java |-com |-xxx |-XxxCompiler.java (Compiler implementation) |-res
 package com.xxx; import org.apache.dubbo.common.compiler.Compiler; public class XxxCompiler implements Compiler { public Object getExtension(Class<?">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/compiler/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Compiler Extension">
 <meta itemprop=description content="Summary Java compiler, used for byte code dynamic generation for RPC invocation.
 Extension Interface org.apache.dubbo.common.compiler.Compiler
@@ -31,7 +31,7 @@ Extension Configuration No configuration required, the extension will be automat
 Existing Extensions  org.apache.dubbo.common.compiler.support.JdkCompiler org.apache.dubbo.common.compiler.support.JavassistCompiler  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxCompiler.java (Compiler implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.common.compiler.Compiler (plain text file with the content: xxx=com.xxx.XxxCompiler) XxxCompiler.java:
 package com.xxx; import org.apache.dubbo.common.compiler.Compiler; public class XxxCompiler implements Compiler { public Object getExtension(Class<?">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="79">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Compiler Extension">
@@ -619,7 +619,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/config-center/index.html b/en/docs/v2.7/dev/impls/config-center/index.html
index 0c302b0..e84d6ee 100644
--- a/en/docs/v2.7/dev/impls/config-center/index.html
+++ b/en/docs/v2.7/dev/impls/config-center/index.html
@@ -20,12 +20,12 @@ Divided by application scenarios, CC mainly undertake the following responsibili
  As a external configuration center, CC store configuration files like dubbo.properties, where the key is usually file name like dubbo.properties, and value is content of the file. Store single configuration items, like all kinds of switchs, contants, etc.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/config-center/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo Configuration Center Extensions">
 <meta itemprop=description content="Design Purpose The key function of CC(Configuration Center) is to act as a Key-Value store. Dubbo Framework tells CC the key it care about, CC return the corresponding value.
 Divided by application scenarios, CC mainly undertake the following responsibilities in Dubbo Framework:
  As a external configuration center, CC store configuration files like dubbo.properties, where the key is usually file name like dubbo.properties, and value is content of the file. Store single configuration items, like all kinds of switchs, contants, etc.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="463">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo Configuration Center Extensions">
@@ -664,7 +664,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/container/index.html b/en/docs/v2.7/dev/impls/container/index.html
index e089604..217ecf4 100644
--- a/en/docs/v2.7/dev/impls/container/index.html
+++ b/en/docs/v2.7/dev/impls/container/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxContainer.java (Container implementation) |-r
 package com.xxx; org.apache.dubbo.container.Container; public class XxxContainer implements Container { public Status start() { // ...  } public Status stop() { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/container/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Container Extension">
 <meta itemprop=description content="Summary Service container extension, useful for loading custom contents.
 Extension Interface org.apache.dubbo.container.Container
 Extension Configuration java org.apache.dubbo.container.Main spring jetty log4j Existing Extensions  org.apache.dubbo.container.spring.SpringContainer org.apache.dubbo.container.spring.JettyContainer org.apache.dubbo.container.spring.Log4jContainer  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxContainer.java (Container implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.container.Container (plain text file with the content: xxx=com.xxx.XxxContainer) XxxContainer.java:
 package com.xxx; org.apache.dubbo.container.Container; public class XxxContainer implements Container { public Status start() { // ...  } public Status stop() { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="74">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Container Extension">
@@ -621,7 +621,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/dispatcher/index.html b/en/docs/v2.7/dev/impls/dispatcher/index.html
index 9795e1d..d9df8ed 100644
--- a/en/docs/v2.7/dev/impls/dispatcher/index.html
+++ b/en/docs/v2.7/dev/impls/dispatcher/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxDispatcher.java (Dispatcher implementation) |
 package com.xxx; import org.apache.dubbo.remoting.Dispatcher; public class XxxDispatcher implements Dispatcher { public Group lookup(URL url) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/dispatcher/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dispatcher Extension">
 <meta itemprop=description content="Summary Thread pool dispatch strategy.
 Extension Interface org.apache.dubbo.remoting.Dispatcher
 Extension Configuration <dubbo:protocol dispatcher=&#34;xxx&#34; /> <!-- default configuration, will take effect if dispatcher attribute is not set in <dubbo:protocol> --> <dubbo:provider dispatcher=&#34;xxx&#34; /> Existing Extensions  org.apache.dubbo.remoting.transport.dispatcher.all.AllDispatcher org.apache.dubbo.remoting.transport.dispatcher.direct.DirectDispatcher org.apache.dubbo.remoting.transport.dispatcher.message.MessageOnlyDispatcher org.apache.dubbo.remoting.transport.dispat [...]
 src |-main |-java |-com |-xxx |-XxxDispatcher.java (Dispatcher implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.remoting.Dispatcher (plain text file with the content: xxx=com.xxx.XxxDispatcher) XxxDispatcher.java:
 package com.xxx; import org.apache.dubbo.remoting.Dispatcher; public class XxxDispatcher implements Dispatcher { public Group lookup(URL url) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="83">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dispatcher Extension">
@@ -621,7 +621,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/exchanger/index.html b/en/docs/v2.7/dev/impls/exchanger/index.html
index 00461e5..da76193 100644
--- a/en/docs/v2.7/dev/impls/exchanger/index.html
+++ b/en/docs/v2.7/dev/impls/exchanger/index.html
@@ -21,13 +21,13 @@ Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxExchanger.java (Exchanger implementation) |-XxxExchangeServer.java (ExchangeServer implementation) |-XxxExchangeClient.java (ExchangeClient implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.remoting.exchange.Exchanger (plain text file with the content: xxx=com.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/exchanger/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Exchanger Extension">
 <meta itemprop=description content="Summary Exchange message between request and response on network transport layer.
 Extension Interface  org.apache.dubbo.remoting.exchange.Exchanger org.apache.dubbo.remoting.exchange.ExchangeServer org.apache.dubbo.remoting.exchange.ExchangeClient  Extension Configuration <dubbo:protocol exchanger=&#34;xxx&#34; /> <!-- default configuration, will take effect if exchanger attribute is not set in <dubbo:protocol> --> <dubbo:provider exchanger=&#34;xxx&#34; /> Existing Extension org.apache.dubbo.remoting.exchange.exchanger.HeaderExchanger
 Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxExchanger.java (Exchanger implementation) |-XxxExchangeServer.java (ExchangeServer implementation) |-XxxExchangeClient.java (ExchangeClient implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.remoting.exchange.Exchanger (plain text file with the content: xxx=com.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="141">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Exchanger Extension">
@@ -639,7 +639,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/exporter-listener/index.html b/en/docs/v2.7/dev/impls/exporter-listener/index.html
index dde9ae0..fdf6d42 100644
--- a/en/docs/v2.7/dev/impls/exporter-listener/index.html
+++ b/en/docs/v2.7/dev/impls/exporter-listener/index.html
@@ -23,7 +23,7 @@ src |-main |-java |-com |-xxx |-XxxExporterListener.java (ExporterListener imple
 package com.xxx; import org.apache.dubbo.rpc.ExporterListener; import org.apache.dubbo.rpc.Exporter; import org.apache.dubbo.rpc.RpcException; public class XxxExporterListener implements ExporterListener { public void exported(Exporter<?">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/exporter-listener/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ExporterListener Extension">
 <meta itemprop=description content="Summary Fire events when there&rsquo;s any service exported.
 Extension Interface org.apache.dubbo.rpc.ExporterListener
@@ -31,7 +31,7 @@ Extension Configuration <!-- service exporter listener --> <dubbo:service listen
 Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxExporterListener.java (ExporterListener implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.ExporterListener (plain text file with the content: xxx=com.xxx.XxxExporterListener) XxxExporterListener.java:
 package com.xxx; import org.apache.dubbo.rpc.ExporterListener; import org.apache.dubbo.rpc.Exporter; import org.apache.dubbo.rpc.RpcException; public class XxxExporterListener implements ExporterListener { public void exported(Exporter<?">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="96">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ExporterListener Extension">
@@ -625,7 +625,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/extension-factory/index.html b/en/docs/v2.7/dev/impls/extension-factory/index.html
index 1abce2b..c59d320 100644
--- a/en/docs/v2.7/dev/impls/extension-factory/index.html
+++ b/en/docs/v2.7/dev/impls/extension-factory/index.html
@@ -23,7 +23,7 @@ package com.xxx; import org.apache.dubbo.common.extension.ExtensionFactory; publ
 xxx=com.xxx.XxxExtensionFactory ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/extension-factory/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ExtensionFactory Extension">
 <meta itemprop=description content="Summary Factory to load dubbo extensions.
 Extension Interface org.apache.dubbo.common.extension.ExtensionFactory
@@ -31,7 +31,7 @@ Extension Configuration <dubbo:application compiler=&#34;jdk&#34; /> Existing Ex
 src |-main |-java |-com |-xxx |-XxxExtensionFactory.java (ExtensionFactory implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.common.extension.ExtensionFactory (plain text file with the content: xxx=com.xxx.XxxExtensionFactory) XxxExtensionFactory.java:
 package com.xxx; import org.apache.dubbo.common.extension.ExtensionFactory; public class XxxExtensionFactory implements ExtensionFactory { public Object getExtension(Class<?> type, String name) { // ...  } } META-INF/dubbo/org.apache.dubbo.common.extension.ExtensionFactory:
 xxx=com.xxx.XxxExtensionFactory ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="65">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ExtensionFactory Extension">
@@ -619,7 +619,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/filter/index.html b/en/docs/v2.7/dev/impls/filter/index.html
index 4fb2014..e81b7f7 100644
--- a/en/docs/v2.7/dev/impls/filter/index.html
+++ b/en/docs/v2.7/dev/impls/filter/index.html
@@ -20,12 +20,12 @@ Contract:
  User defined filters are executed after built-in filters by default. Special value default is introduced to represent the default extension location.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/filter/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Filter Extension">
 <meta itemprop=description content="Summary 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.
 Contract:
  User defined filters are executed after built-in filters by default. Special value default is introduced to represent the default extension location.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="288">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Filter Extension">
@@ -642,7 +642,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/index.html b/en/docs/v2.7/dev/impls/index.html
index c2e200a..21657df 100644
--- a/en/docs/v2.7/dev/impls/index.html
+++ b/en/docs/v2.7/dev/impls/index.html
@@ -720,7 +720,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/en/docs/v2.7/dev/impls/index.xml b/en/docs/v2.7/dev/impls/index.xml
index a87d4e2..939e896 100644
--- a/en/docs/v2.7/dev/impls/index.xml
+++ b/en/docs/v2.7/dev/impls/index.xml
@@ -58,6 +58,10 @@
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.rmi.RmiProtocol&lt;/code>&lt;/li>
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.http.HttpProtocol&lt;/code>&lt;/li>
 &lt;li>&lt;code>org.apache.dubbo.rpc.protocol.http.hessian.HessianProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.memcached.MemcachedProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.support.MockProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.redis.RedisProtocol&lt;/code>&lt;/li>
+&lt;li>&lt;code>org.apache.dubbo.rpc.protocol.nativethrift.ThriftProtocol&lt;/code>&lt;/li>
 &lt;/ul>
 &lt;h2 id="extension-guide">Extension Guide&lt;/h2>
 &lt;p>Directory layout:&lt;/p>
diff --git a/en/docs/v2.7/dev/impls/invoker-listener/index.html b/en/docs/v2.7/dev/impls/invoker-listener/index.html
index 6821990..f14ec7a 100644
--- a/en/docs/v2.7/dev/impls/invoker-listener/index.html
+++ b/en/docs/v2.7/dev/impls/invoker-listener/index.html
@@ -23,7 +23,7 @@ src |-main |-java |-com |-xxx |-XxxInvokerListener.java (InvokerListener impleme
 package com.xxx; import org.apache.dubbo.rpc.InvokerListener; import org.apache.dubbo.rpc.Invoker; import org.apache.dubbo.rpc.RpcException; public class XxxInvokerListener implements InvokerListener { public void referred(Invoker<?">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/invoker-listener/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="InvokerListener Extension">
 <meta itemprop=description content="Summary Fire event when there&rsquo;s any service referenced.
 Extension Interface org.apache.dubbo.rpc.InvokerListener
@@ -31,7 +31,7 @@ Extension Configuration <!-- 引用服务监听 --> <!-- service reference liste
 Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxInvokerListener.java (InvokerListener implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.InvokerListener (plain text file with the content: xxx=com.xxx.XxxInvokerListener) XxxInvokerListener.java:
 package com.xxx; import org.apache.dubbo.rpc.InvokerListener; import org.apache.dubbo.rpc.Invoker; import org.apache.dubbo.rpc.RpcException; public class XxxInvokerListener implements InvokerListener { public void referred(Invoker<?">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="97">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="InvokerListener Extension">
@@ -625,7 +625,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/load-balance/index.html b/en/docs/v2.7/dev/impls/load-balance/index.html
index 6c6765d..e5e76a9 100644
--- a/en/docs/v2.7/dev/impls/load-balance/index.html
+++ b/en/docs/v2.7/dev/impls/load-balance/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxLoadBalance.java (LoadBalance implementation)
 package com.xxx; import org.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/load-balance/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="LoadBalance Extension">
 <meta itemprop=description content="Summary Pick one from service providers and fire the invocation.
 Extension Interface org.apache.dubbo.rpc.cluster.LoadBalance
 Extension Configuration <dubbo:protocol loadbalance=&#34;xxx&#34; /> <!-- default configuration, will take effect when loadbalance is not configured in <dubbo:protocol> --> <dubbo:provider loadbalance=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalance org.apache.dubbo.rpc.cluster.loadbalance.RoundRobinLoadBalance org.apache.dubbo.rpc.cluster.loadbalance.LeastActiveLoadBalance org.apache.dubbo.rpc.cluster.loadbalance.ConsistentHashLoadBalance o [...]
 src |-main |-java |-com |-xxx |-XxxLoadBalance.java (LoadBalance implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.cluster.LoadBalance (plain text file with the content: xxx=com.xxx.XxxLoadBalance) XxxLoadBalance.java:
 package com.xxx; import org.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="98">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="LoadBalance Extension">
@@ -624,7 +624,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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 </main>
diff --git a/en/docs/v2.7/dev/impls/logger-adapter/index.html b/en/docs/v2.7/dev/impls/logger-adapter/index.html
index 2fcdf8e..facc49d 100644
--- a/en/docs/v2.7/dev/impls/logger-adapter/index.html
+++ b/en/docs/v2.7/dev/impls/logger-adapter/index.html
@@ -23,7 +23,7 @@ src |-main |-java |-com |-xxx |-XxxLoggerAdapter.java (LoggerAdapter implementat
 package com.xxx; import org.apache.dubbo.common.logger.LoggerAdapter; public class XxxLoggerAdapter implements LoggerAdapter { public Logger getLogger(URL url) { // ...  } } XxxLogger.java:">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/logger-adapter/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="LoggerAdapter Extension">
 <meta itemprop=description content="Summary Extension for adapting logger output
 Extension Interface org.apache.dubbo.common.logger.LoggerAdapter
@@ -31,7 +31,7 @@ Extension Configuration <dubbo:application logger=&#34;xxx&#34; /> Or:
 -Ddubbo:application.logger=xxx Existing Extension  org.apache.dubbo.common.logger.slf4j.Slf4jLoggerAdapter org.apache.dubbo.common.logger.jcl.JclLoggerAdapter org.apache.dubbo.common.logger.log4j.Log4jLoggerAdapter org.apache.dubbo.common.logger.log4j2.Log4j2LoggerAdapter org.apache.dubbo.common.logger.jdk.JdkLoggerAdapter  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxLoggerAdapter.java (LoggerAdapter implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.common.logger.LoggerAdapter (plain text file with the content: xxx=com.xxx.XxxLoggerAdapter) XxxLoggerAdapter.java:
 package com.xxx; import org.apache.dubbo.common.logger.LoggerAdapter; public class XxxLoggerAdapter implements LoggerAdapter { public Logger getLogger(URL url) { // ...  } } XxxLogger.java:">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="97">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="LoggerAdapter Extension">
@@ -638,7 +638,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/merger/index.html b/en/docs/v2.7/dev/impls/merger/index.html
index 94fd85d..be5efde 100644
--- a/en/docs/v2.7/dev/impls/merger/index.html
+++ b/en/docs/v2.7/dev/impls/merger/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxMerger.java (Merger implementation) |-resourc
 package com.xxx; import org.apache.dubbo.rpc.cluster.Merger; public class XxxMerger<T> implements Merger<T> { public T merge(T... results) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/merger/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Merger Extension">
 <meta itemprop=description content="Summary Merge strategy for return result aggregation in group.
 Extension Interface org.apache.dubbo.rpc.cluster.Merger
 Extension Configuration <dubbo:method merger=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.rpc.cluster.merger.ArrayMerger org.apache.dubbo.rpc.cluster.merger.ListMerger org.apache.dubbo.rpc.cluster.merger.SetMerger org.apache.dubbo.rpc.cluster.merger.MapMerger org.apache.dubbo.rpc.cluster.merger.ByteArrayMerger org.apache.dubbo.rpc.cluster.merger.CharArrayMerger org.apache.dubbo.rpc.cluster.merger.ShortArrayMerger org.apache.dubbo.rpc.cluster.merger.IntArrayMerger org.apache.dubb [...]
 src |-main |-java |-com |-xxx |-XxxMerger.java (Merger implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.cluster.Merger (plain text file with the content: xxx=com.xxx.XxxMerger) XxxMerger.java:
 package com.xxx; import org.apache.dubbo.rpc.cluster.Merger; public class XxxMerger<T> implements Merger<T> { public T merge(T... results) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="76">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Merger Extension">
@@ -626,7 +626,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/en/docs/v2.7/dev/impls/monitor/index.html b/en/docs/v2.7/dev/impls/monitor/index.html
index 1d154ae..750c7f5 100644
--- a/en/docs/v2.7/dev/impls/monitor/index.html
+++ b/en/docs/v2.7/dev/impls/monitor/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxMonitorFactoryjava (MonitorFactory implementa
 package com.xxx; import org.apache.dubbo.monitor.MonitorFactory; import org.apache.dubbo.monitor.Monitor; import org.apache.dubbo.common.URL; public class XxxMonitorFactory implements MonitorFactory { public Monitor getMonitor(URL url) { return new XxxMonitor(url); } } XxxMonitor.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/monitor/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Monitor Extension">
 <meta itemprop=description content="Summary Extension to monitor service invocation times and time taken for each service invocation.
 Extension Interface  org.apache.dubbo.monitor.MonitorFactory org.apache.dubbo.monitor.Monitor  Extension Configuration <!-- configure monitor center --> <dubbo:monitor address=&#34;xxx://ip:port&#34; /> Existing Extension org.apache.dubbo.monitor.support.dubbo.DubboMonitorFactory
 Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxMonitorFactoryjava (MonitorFactory implementation) |-XxxMonitor.java (Monitor implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.monitor.MonitorFactory (plain text file with the format: xxx=com.xxx.XxxMonitorFactory) XxxMonitorFactory.java:
 package com.xxx; import org.apache.dubbo.monitor.MonitorFactory; import org.apache.dubbo.monitor.Monitor; import org.apache.dubbo.common.URL; public class XxxMonitorFactory implements MonitorFactory { public Monitor getMonitor(URL url) { return new XxxMonitor(url); } } XxxMonitor.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="104">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Monitor Extension">
@@ -630,7 +630,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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 </main>
diff --git a/en/docs/v2.7/dev/impls/networker/index.html b/en/docs/v2.7/dev/impls/networker/index.html
index 7858fdb..dc62486 100644
--- a/en/docs/v2.7/dev/impls/networker/index.html
+++ b/en/docs/v2.7/dev/impls/networker/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxNetworker.java (Networker implementation) |-r
 package com.xxx; import org.apache.dubbo.remoting.p2p.Networker; public class XxxNetworker implements Networker { public Group lookup(URL url) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/networker/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Networker Extension">
 <meta itemprop=description content="Summary Extension for peer to peer network grouping.
 Extension Interface org.apache.dubbo.remoting.p2p.Networker
 Extension Configuration <dubbo:protocol networker=&#34;xxx&#34; /> <!-- default configuration, it takes effect if networker attribute is not set in <dubbo:protocol> --> <dubbo:provider networker=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.remoting.p2p.support.MulticastNetworker org.apache.dubbo.remoting.p2p.support.FileNetworker  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxNetworker.java (Networker implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.remoting.p2p.Networker (plain text file with the content: xxx=com.xxx.XxxNetworker) XxxNetworker.java:
 package com.xxx; import org.apache.dubbo.remoting.p2p.Networker; public class XxxNetworker implements Networker { public Group lookup(URL url) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="83">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Networker Extension">
@@ -618,7 +618,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/page/index.html b/en/docs/v2.7/dev/impls/page/index.html
index 0efaecd..311e083 100644
--- a/en/docs/v2.7/dev/impls/page/index.html
+++ b/en/docs/v2.7/dev/impls/page/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxPageHandler.java (PageHandler implementation)
 package com.xxx; import org.apache.dubbo.container.page.PageHandler; public class XxxPageHandler implements PageHandler { public Group lookup(URL url) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/page/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="PageHandler Extension">
 <meta itemprop=description content="Summary Extension for page handler
 Extension Interface org.apache.dubbo.container.page.PageHandler
 Extension Configuration <dubbo:protocol page=&#34;xxx,yyy&#34; /> <!-- default configuration, will take effect if page attribute is not set in <dubbo:protocol> --> <dubbo:provider page=&#34;xxx,yyy&#34; /> Existing Extension  org.apache.dubbo.container.page.pages.HomePageHandler org.apache.dubbo.container.page.pages.StatusPageHandler org.apache.dubbo.container.page.pages.LogPageHandler org.apache.dubbo.container.page.pages.SystemPageHandler  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxPageHandler.java (PageHandler implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.container.page.PageHandler (plain text file with the content: xxx=com.xxx.XxxPageHandler) XxxPageHandler.java:
 package com.xxx; import org.apache.dubbo.container.page.PageHandler; public class XxxPageHandler implements PageHandler { public Group lookup(URL url) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="82">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="PageHandler Extension">
@@ -620,7 +620,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/protocol/index.html b/en/docs/v2.7/dev/impls/protocol/index.html
index 375d8b1..457e1f5 100644
--- a/en/docs/v2.7/dev/impls/protocol/index.html
+++ b/en/docs/v2.7/dev/impls/protocol/index.html
@@ -20,13 +20,13 @@ Contract:
  When user calls invoke() method of Invoker object which&rsquo;s returned from refer() call, the protocol needs to correspondingly execute invoke() method of Invoker object passed from remote export() method associated with the same URL. Moreover, it&rsquo;s protocol&rsquo;s responsibility to implement Invoker which&rsquo;s returned from refer(). Generally speaking, protocol sends remote request in the Invoker implementation, but needs not to care about the Invoker passed into export() s [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/protocol/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Protocol Extension">
 <meta itemprop=description content="Summary Extension to RPC protocol, hide details of remote call.
 Contract:
  When user calls invoke() method of Invoker object which&rsquo;s returned from refer() call, the protocol needs to correspondingly execute invoke() method of Invoker object passed from remote export() method associated with the same URL. Moreover, it&rsquo;s protocol&rsquo;s responsibility to implement Invoker which&rsquo;s returned from refer(). Generally speaking, protocol sends remote request in the Invoker implementation, but needs not to care about the Invoker passed into export() s [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
-<meta itemprop=wordCount content="602">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
+<meta itemprop=wordCount content="606">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Protocol Extension">
 <meta name=twitter:description content="Summary Extension to RPC protocol, hide details of remote call.
@@ -622,6 +622,10 @@ English
 <li><code>org.apache.dubbo.rpc.protocol.rmi.RmiProtocol</code></li>
 <li><code>org.apache.dubbo.rpc.protocol.http.HttpProtocol</code></li>
 <li><code>org.apache.dubbo.rpc.protocol.http.hessian.HessianProtocol</code></li>
+<li><code>org.apache.dubbo.rpc.protocol.memcached.MemcachedProtocol</code></li>
+<li><code>org.apache.dubbo.rpc.support.MockProtocol</code></li>
+<li><code>org.apache.dubbo.rpc.protocol.redis.RedisProtocol</code></li>
+<li><code>org.apache.dubbo.rpc.protocol.nativethrift.ThriftProtocol</code></li>
 </ul>
 <h2 id=extension-guide>Extension Guide</h2>
 <p>Directory layout:</p>
@@ -696,7 +700,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/proxy-factory/index.html b/en/docs/v2.7/dev/impls/proxy-factory/index.html
index a92497d..7f70245 100644
--- a/en/docs/v2.7/dev/impls/proxy-factory/index.html
+++ b/en/docs/v2.7/dev/impls/proxy-factory/index.html
@@ -22,14 +22,14 @@ src |-main |-java |-com |-xxx |-XxxProxyFactory.java (ProxyFactory implementatio
 package com.xxx; import org.apache.dubbo.rpc.ProxyFactory; import org.apache.dubbo.rpc.Invoker; import org.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/proxy-factory/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ProxyFactory Extension">
 <meta itemprop=description content="Summary Convert Invoker into business interface.
 Extension Interface org.apache.dubbo.rpc.ProxyFactory
 Extension Configuration <dubbo:protocol proxy=&#34;xxx&#34; /> <!-- default configuration, it will take effect when proxy attribute is not configured in <dubbo:protocol> --> <dubbo:provider proxy=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.rpc.proxy.JdkProxyFactory org.apache.dubbo.rpc.proxy.JavassistProxyFactory  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxProxyFactory.java (ProxyFactory implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.ProxyFactory (plain text file with the content: xxx=com.xxx.XxxProxyFactory) XxxProxyFactory.java:
 package com.xxx; import org.apache.dubbo.rpc.ProxyFactory; import org.apache.dubbo.rpc.Invoker; import org.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="104">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ProxyFactory Extension">
@@ -624,7 +624,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/registry/index.html b/en/docs/v2.7/dev/impls/registry/index.html
index 48fa9ca..eebf67e 100644
--- a/en/docs/v2.7/dev/impls/registry/index.html
+++ b/en/docs/v2.7/dev/impls/registry/index.html
@@ -19,11 +19,11 @@
 Extension Interface  org.apache.dubbo.registry.RegistryFactory org.apache.dubbo.registry.Registry  Extension Configuration <!-- config registry server --> <dubbo:registry id=&#34;xxx1&#34; address=&#34;xxx://ip:port&#34; /> <!-- reference registry server, if registry attribute is not specified, then ApplicationContext will be scanned to find if there's any --> <dubbo:service registry=&#34;xxx1&#34; /> <!-- default configuration for referencing registry server, it will take effect if ther [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/registry/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Registry Extension">
 <meta itemprop=description content="Summary Registry extension is used for service registration and discovery.
 Extension Interface  org.apache.dubbo.registry.RegistryFactory org.apache.dubbo.registry.Registry  Extension Configuration <!-- config registry server --> <dubbo:registry id=&#34;xxx1&#34; address=&#34;xxx://ip:port&#34; /> <!-- reference registry server, if registry attribute is not specified, then ApplicationContext will be scanned to find if there's any --> <dubbo:service registry=&#34;xxx1&#34; /> <!-- default configuration for referencing registry server, it will take effect if ther [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="986">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Registry Extension">
@@ -741,7 +741,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/remoting/index.html b/en/docs/v2.7/dev/impls/remoting/index.html
index 2ef6ba6..b78abcd 100644
--- a/en/docs/v2.7/dev/impls/remoting/index.html
+++ b/en/docs/v2.7/dev/impls/remoting/index.html
@@ -19,11 +19,11 @@
 Extension Interface  org.apache.dubbo.remoting.Transporter org.apache.dubbo.remoting.Server org.apache.dubbo.remoting.Client  Extension Configuration <!-- server and client use the same transporter --> <dubbo:protocol transporter=&#34;xxx&#34; /> <!-- server and client use the different transporter --> <dubbo:protocol server=&#34;xxx&#34; client=&#34;xxx&#34; /> <!-- default configuration, will take effect when transport/server/client attribute is not set in <dubbo:protocol> --> <dubbo:p [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/remoting/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Transporter Extension">
 <meta itemprop=description content="Summary Transportation extension for communication between server and client.
 Extension Interface  org.apache.dubbo.remoting.Transporter org.apache.dubbo.remoting.Server org.apache.dubbo.remoting.Client  Extension Configuration <!-- server and client use the same transporter --> <dubbo:protocol transporter=&#34;xxx&#34; /> <!-- server and client use the different transporter --> <dubbo:protocol server=&#34;xxx&#34; client=&#34;xxx&#34; /> <!-- default configuration, will take effect when transport/server/client attribute is not set in <dubbo:protocol> --> <dubbo:p [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="248">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Transporter Extension">
@@ -666,7 +666,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/en/docs/v2.7/dev/impls/router/index.html b/en/docs/v2.7/dev/impls/router/index.html
index 2bd2d15..7d1f6b6 100644
--- a/en/docs/v2.7/dev/impls/router/index.html
+++ b/en/docs/v2.7/dev/impls/router/index.html
@@ -21,13 +21,13 @@ src |-main |-java |-com |-xxx |-XxxRouterFactory.java (RouterFactory implementat
 package com.xxx; import org.apache.dubbo.rpc.cluster.RouterFactory; import org.apache.dubbo.rpc.Invoker; import org.apache.dubbo.rpc.Invocation; import org.apache.dubbo.rpc.RpcException; public class XxxRouterFactory implements RouterFactory { public Router getRouter(URL url) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/router/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Router Extension">
 <meta itemprop=description content="Summary Pick one from service providers and fire the invocation.
 Extension Interface  org.apache.dubbo.rpc.cluster.RouterFactory org.apache.dubbo.rpc.cluster.Router  Existing Extension  org.apache.dubbo.rpc.cluster.router.ScriptRouterFactory org.apache.dubbo.rpc.cluster.router.FileRouterFactory org.apache.dubbo.rpc.cluster.router.condition.config.AppRouterFactory org.apache.dubbo.rpc.cluster.CacheableRouterFactory org.apache.dubbo.rpc.cluster.router.condition.ConditionRouterFactory org.apache.dubbo.rpc.cluster.router.mock.MockRouterFactory org.apache. [...]
 src |-main |-java |-com |-xxx |-XxxRouterFactory.java (RouterFactory implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.rpc.cluster.RouterFactory (plain text file with the content: xxx=com.xxx.XxxRouterFactory) XxxRouterFactory.java:
 package com.xxx; import org.apache.dubbo.rpc.cluster.RouterFactory; import org.apache.dubbo.rpc.Invoker; import org.apache.dubbo.rpc.Invocation; import org.apache.dubbo.rpc.RpcException; public class XxxRouterFactory implements RouterFactory { public Router getRouter(URL url) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="75">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Router Extension">
@@ -623,7 +623,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/en/docs/v2.7/dev/impls/serialize/index.html b/en/docs/v2.7/dev/impls/serialize/index.html
index a60b551..3a0c9d1 100644
--- a/en/docs/v2.7/dev/impls/serialize/index.html
+++ b/en/docs/v2.7/dev/impls/serialize/index.html
@@ -20,12 +20,12 @@ Extension Interface  org.apache.dubbo.common.serialize.Serialization org.apache.
 src |-main |-java |-com |-xxx |-XxxSerialization.java (Serialization implementation) |-XxxObjectInput.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/serialize/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Serialization Extension">
 <meta itemprop=description content="Summary Extension to serializing java object into byte code stream for transporting on the network, and vise versa.
 Extension Interface  org.apache.dubbo.common.serialize.Serialization org.apache.dubbo.common.serialize.ObjectInput org.apache.dubbo.common.serialize.ObjectOutput  Extension Configuration <!-- protocol serialization style --> <dubbo:protocol serialization=&#34;xxx&#34; /> <!-- default configuration, will take effect if serialization is not configured in <dubbo:protocol> --> <dubbo:provider serialization=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.common.serialize.dubbo.DubboSeri [...]
 src |-main |-java |-com |-xxx |-XxxSerialization.java (Serialization implementation) |-XxxObjectInput.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="129">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Serialization Extension">
@@ -627,7 +627,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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 </main>
diff --git a/en/docs/v2.7/dev/impls/status-checker/index.html b/en/docs/v2.7/dev/impls/status-checker/index.html
index 1295600..f0660fa 100644
--- a/en/docs/v2.7/dev/impls/status-checker/index.html
+++ b/en/docs/v2.7/dev/impls/status-checker/index.html
@@ -21,13 +21,13 @@ Extension Configuration <dubbo:protocol status=&#34;xxx,yyy&#34; /> <!-- default
 src |-main |-java |-com |-xxx |-XxxStatusChecker.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/status-checker/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="StatusChecker Extension">
 <meta itemprop=description content="Summary Extension to check status of resources service depends on. This status checker can be used in both telnet status command and status page.
 Extension Interface org.apache.dubbo.common.status.StatusChecker
 Extension Configuration <dubbo:protocol status=&#34;xxx,yyy&#34; /> <!-- default configuration, will take effect if no status attribute is configured in <dubbo:protocol> --> <dubbo:provider status=&#34;xxx,yyy&#34; /> Existing Extension  org.apache.dubbo.common.status.support.MemoryStatusChecker org.apache.dubbo.common.status.support.LoadStatusChecker org.apache.dubbo.rpc.dubbo.status.ServerStatusChecker org.apache.dubbo.rpc.dubbo.status.ThreadPoolStatusChecker org.apache.dubbo.registry. [...]
 src |-main |-java |-com |-xxx |-XxxStatusChecker.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="103">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="StatusChecker Extension">
@@ -620,7 +620,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/telnet-handler/index.html b/en/docs/v2.7/dev/impls/telnet-handler/index.html
index 1ed6ab4..c576dd1 100644
--- a/en/docs/v2.7/dev/impls/telnet-handler/index.html
+++ b/en/docs/v2.7/dev/impls/telnet-handler/index.html
@@ -21,13 +21,13 @@ Extension Configuration <dubbo:protocol telnet=&#34;xxx,yyy&#34; /> <!-- default
 src |-main |-java |-com |-xxx |-XxxTelnetHandler.java (TelnetHandler implementation) |-resources |-META-INF |-dubbo |-org.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/telnet-handler/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="TelnetHandler Extension">
 <meta itemprop=description content="Summary Extension to telnet command. All server should support telnet access for operation convenience.
 Extension Interface org.apache.dubbo.remoting.telnet.TelnetHandler
 Extension Configuration <dubbo:protocol telnet=&#34;xxx,yyy&#34; /> <!-- default configuration, will take effect if telnet attribute is not specified in <dubbo:protocol> --> <dubbo:provider telnet=&#34;xxx,yyy&#34; /> Existing Extension  org.apache.dubbo.remoting.telnet.support.ClearTelnetHandler org.apache.dubbo.remoting.telnet.support.ExitTelnetHandler org.apache.dubbo.remoting.telnet.support.HelpTelnetHandler org.apache.dubbo.remoting.telnet.support.StatusTelnetHandler org.apache.dubb [...]
 src |-main |-java |-com |-xxx |-XxxTelnetHandler.java (TelnetHandler implementation) |-resources |-META-INF |-dubbo |-org.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="114">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="TelnetHandler Extension">
@@ -630,7 +630,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/threadpool/index.html b/en/docs/v2.7/dev/impls/threadpool/index.html
index ba5a411..5cb21c9 100644
--- a/en/docs/v2.7/dev/impls/threadpool/index.html
+++ b/en/docs/v2.7/dev/impls/threadpool/index.html
@@ -21,13 +21,13 @@ Extension Configuration <dubbo:protocol threadpool=&#34;xxx&#34; /> <!-- default
 src |-main |-java |-com |-xxx |-XxxThreadPool.java (ThreadPool implementation) |-resources |-META-INF |-dubbo |-org.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/threadpool/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ThreadPool Extension">
 <meta itemprop=description content="Summary 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.
 Extension Interface org.apache.dubbo.common.threadpool.ThreadPool
 Extension Configuration <dubbo:protocol threadpool=&#34;xxx&#34; /> <!-- default configuration, it will take effect when threadpool attribute is not specified in <dubbo:protocol> --> <dubbo:provider threadpool=&#34;xxx&#34; /> Existing Extension  org.apache.dubbo.common.threadpool.FixedThreadPool org.apache.dubbo.common.threadpool.CachedThreadPool  Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxThreadPool.java (ThreadPool implementation) |-resources |-META-INF |-dubbo |-org.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="104">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ThreadPool Extension">
@@ -616,7 +616,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/impls/validation/index.html b/en/docs/v2.7/dev/impls/validation/index.html
index 1d38e1f..27d8dcb 100644
--- a/en/docs/v2.7/dev/impls/validation/index.html
+++ b/en/docs/v2.7/dev/impls/validation/index.html
@@ -23,7 +23,7 @@ src |-main |-java |-com |-xxx |-XxxValidation.java (Validation implementation) |
 package com.xxx; import org.apache.dubbo.validation.Validation; public class XxxValidation implements Validation { public Object getValidator(URL url) { // .">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/impls/validation/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Validation Extension">
 <meta itemprop=description content="Summary Extension for parameter validation.
 Extension Interface org.apache.dubbo.validation.Validation
@@ -31,7 +31,7 @@ Extension Configuration <dubbo:service validation=&#34;xxx,yyy&#34; /> <!-- defa
 Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxValidation.java (Validation implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.validation.Validation (plain text file with the content: xxx=com.xxx.XxxValidation) XxxValidation.java:
 package com.xxx; import org.apache.dubbo.validation.Validation; public class XxxValidation implements Validation { public Object getValidator(URL url) { // .">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Validation Extension">
@@ -631,7 +631,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/index.html b/en/docs/v2.7/dev/index.html
index 316e141..c41fa75 100644
--- a/en/docs/v2.7/dev/index.html
+++ b/en/docs/v2.7/dev/index.html
@@ -627,7 +627,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/code-detail/index.html b/en/docs/v2.7/dev/principals/code-detail/index.html
index ac2eae3..b407f5c 100644
--- a/en/docs/v2.7/dev/principals/code-detail/index.html
+++ b/en/docs/v2.7/dev/principals/code-detail/index.html
@@ -19,11 +19,11 @@
  Recently, I have been worried about the quality of the Dubbo distributed service framework. If there are more maintenance personnel or changes, there will be a decline in quality. I am thinking, is there any need for everyone to abide by it, according to a habit when writing code, I have summarized it. The code process, especially the framework code, should always keep in mind the details. Maybe the following will be said, everyone will feel very simple, very basic, but always keep in mind.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/code-detail/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="The Devil Is In The Details">
 <meta itemprop=description content="http://javatar.iteye.com/blog/1056664
  Recently, I have been worried about the quality of the Dubbo distributed service framework. If there are more maintenance personnel or changes, there will be a decline in quality. I am thinking, is there any need for everyone to abide by it, according to a habit when writing code, I have summarized it. The code process, especially the framework code, should always keep in mind the details. Maybe the following will be said, everyone will feel very simple, very basic, but always keep in mind.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="The Devil Is In The Details">
@@ -594,7 +594,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/configuration/index.html b/en/docs/v2.7/dev/principals/configuration/index.html
index a1276aa..43bf3ba 100644
--- a/en/docs/v2.7/dev/principals/configuration/index.html
+++ b/en/docs/v2.7/dev/principals/configuration/index.html
@@ -19,11 +19,11 @@
  Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/configuration/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="The Configuration Design">
 <meta itemprop=description content="http://javatar.iteye.com/blog/949527
  Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="The Configuration Design">
@@ -627,7 +627,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/dummy/index.html b/en/docs/v2.7/dev/principals/dummy/index.html
index 497b686..0c638b6 100644
--- a/en/docs/v2.7/dev/principals/dummy/index.html
+++ b/en/docs/v2.7/dev/principals/dummy/index.html
@@ -19,11 +19,11 @@
  Recently I was feeling stupid because I solved too many stupid problems. The service framework is becoming more widely used. Every day, I have to help the endpoint user to resolve problems. Gradually, it is found that most of the problems are configuration errors, or duplicated files or classes, or network failure. So I prepare to add some &ldquo;fool-proof&rdquo; design to the further version. It may be very simple, but it is still a little help for troubleshooting speed.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/dummy/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content=" &#34;Fool-proof&#34; Design">
 <meta itemprop=description content="http://javatar.iteye.com/blog/804187
  Recently I was feeling stupid because I solved too many stupid problems. The service framework is becoming more widely used. Every day, I have to help the endpoint user to resolve problems. Gradually, it is found that most of the problems are configuration errors, or duplicated files or classes, or network failure. So I prepare to add some &ldquo;fool-proof&rdquo; design to the further version. It may be very simple, but it is still a little help for troubleshooting speed.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1327">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content=" &#34;Fool-proof&#34; Design">
@@ -743,7 +743,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/expansibility/index.html b/en/docs/v2.7/dev/principals/expansibility/index.html
index c996fa8..5d19338 100644
--- a/en/docs/v2.7/dev/principals/expansibility/index.html
+++ b/en/docs/v2.7/dev/principals/expansibility/index.html
@@ -19,11 +19,11 @@
  There are more and more products in our platform, the function of the product also more and more.Platform products in order to meet the requirement of each BU and department as well as product line, will surely will be a lot of irrelevant function together, the customer can use selective.In order to compatible with more demand for each product, each framework, are constantly expanding, and we often choose some extension of the extension, namely to old and new function expanded into a ge [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/expansibility/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Talk About Expansion Of Extension And Incremental Extension">
 <meta itemprop=description content="http://javatar.iteye.com/blog/690845
  There are more and more products in our platform, the function of the product also more and more.Platform products in order to meet the requirement of each BU and department as well as product line, will surely will be a lot of irrelevant function together, the customer can use selective.In order to compatible with more demand for each product, each framework, are constantly expanding, and we often choose some extension of the extension, namely to old and new function expanded into a ge [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Talk About Expansion Of Extension And Incremental Extension">
@@ -572,7 +572,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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index f80a006..7ab8aaa 100644
--- a/en/docs/v2.7/dev/principals/extension/index.html
+++ b/en/docs/v2.7/dev/principals/extension/index.html
@@ -20,12 +20,12 @@
 Now that want to open it, about to take some extension point Dubbo, let participants black box extend as far as possible, rather than a white box to modify the code, or branch, quality, merger, the conflict will be hard to manage.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/extension/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Extension Points To Reconstruct">
 <meta itemprop=description content="http://javatar.iteye.com/blog/1041832
  With the promotion of service, the website of Dubbo service framework requirements gradually increase, Dubbo existing developers can implement demand is limited, many requirements have been delay, and site classmates also want to participate, combined with field, so the platform will be open to internal part of the project, let everyone together to implement, Dubbo as one of the pilot project.
 Now that want to open it, about to take some extension point Dubbo, let participants black box extend as far as possible, rather than a white box to modify the code, or branch, quality, merger, the conflict will be hard to manage.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="980">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Extension Points To Reconstruct">
@@ -653,7 +653,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/general-knowledge/index.html b/en/docs/v2.7/dev/principals/general-knowledge/index.html
index a4397a6..52d7ce0 100644
--- a/en/docs/v2.7/dev/principals/general-knowledge/index.html
+++ b/en/docs/v2.7/dev/principals/general-knowledge/index.html
@@ -20,12 +20,12 @@
 The API and SPI separation Framework or component there are generally two types of customers, one is a consumer, is an extension.API (Application Programming Interface) is used to users, and SPI (Service dojo.provide Interface) is used to expand.At design time, try to put them off, and don&rsquo;t mix.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/general-knowledge/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Some In The Design Of The Basic Common Sense">
 <meta itemprop=description content="http://javatar.iteye.com/blog/706098
  Recently told the new team some design on the common sense, is likely to be new and some other help, the thought of a few temporarily, first write here.
 The API and SPI separation Framework or component there are generally two types of customers, one is a consumer, is an extension.API (Application Programming Interface) is used to users, and SPI (Service dojo.provide Interface) is used to expand.At design time, try to put them off, and don&rsquo;t mix.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1459">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Some In The Design Of The Basic Common Sense">
@@ -613,7 +613,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/index.html b/en/docs/v2.7/dev/principals/index.html
index 1abf3d2..8490aed 100644
--- a/en/docs/v2.7/dev/principals/index.html
+++ b/en/docs/v2.7/dev/principals/index.html
@@ -600,7 +600,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/principals/robustness/index.html b/en/docs/v2.7/dev/principals/robustness/index.html
index 7c36a88..ae79a90 100644
--- a/en/docs/v2.7/dev/principals/robustness/index.html
+++ b/en/docs/v2.7/dev/principals/robustness/index.html
@@ -21,13 +21,13 @@ Here are some Dubbo principle and method of use.
 The log Logging is one of the most commonly used way to find, discover problems.Log quality is often neglected, there is no log on using expressly agreed upon.Attaches great importance to the use of the Log, and improve the concentration of the Log information.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/robustness/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="The Robustness Of The Design Implementation">
 <meta itemprop=description content="http://oldratlee.com/380/tech/java/robustness-of-implement.html
  Dubbo as a remote service exposure, calls and management solutions, through the meridians of the application is running, its itself to achieve robustness of importance is self-evident.
 Here are some Dubbo principle and method of use.
 The log Logging is one of the most commonly used way to find, discover problems.Log quality is often neglected, there is no log on using expressly agreed upon.Attaches great importance to the use of the Log, and improve the concentration of the Log information.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="932">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="The Robustness Of The Design Implementation">
@@ -645,7 +645,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/release/index.html b/en/docs/v2.7/dev/release/index.html
index 6a04e23..9255b02 100644
--- a/en/docs/v2.7/dev/release/index.html
+++ b/en/docs/v2.7/dev/release/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo versioning contract">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/release/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Versions">
 <meta itemprop=description content="Dubbo versioning contract">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="321">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Versions">
@@ -596,7 +596,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/spi/index.html b/en/docs/v2.7/dev/spi/index.html
index f16bbdd..e6db56f 100644
--- a/en/docs/v2.7/dev/spi/index.html
+++ b/en/docs/v2.7/dev/spi/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="How Dubbo SPI works">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/spi/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="SPI Loading">
 <meta itemprop=description content="How Dubbo SPI works">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1062">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="SPI Loading">
@@ -736,7 +736,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/dev/tck/index.html b/en/docs/v2.7/dev/tck/index.html
index 793cd4f..adf7e6c 100644
--- a/en/docs/v2.7/dev/tck/index.html
+++ b/en/docs/v2.7/dev/tck/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo compatibility test">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/tck/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Compatibility Test">
 <meta itemprop=description content="Dubbo compatibility test">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="160">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Compatibility Test">
@@ -570,7 +570,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/index.html b/en/docs/v2.7/index.html
index bd8f038..cf4971c 100644
--- a/en/docs/v2.7/index.html
+++ b/en/docs/v2.7/index.html
@@ -569,7 +569,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/benchmark-tool/index.html b/en/docs/v2.7/user/benchmark-tool/index.html
index 745f5d6..d02bfb6 100644
--- a/en/docs/v2.7/user/benchmark-tool/index.html
+++ b/en/docs/v2.7/user/benchmark-tool/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Run Dubbo benchmark suite">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/benchmark-tool/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Benchmark Suite">
 <meta itemprop=description content="Run Dubbo benchmark suite">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="141">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Benchmark Suite">
@@ -595,7 +595,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/best-practice/index.html b/en/docs/v2.7/user/best-practice/index.html
index e9d17c1..2fd7855 100644
--- a/en/docs/v2.7/user/best-practice/index.html
+++ b/en/docs/v2.7/user/best-practice/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Best practices of using dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/best-practice/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Best practice">
 <meta itemprop=description content="Best practices of using dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="740">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Best practice">
@@ -600,7 +600,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/capacity-plan/index.html b/en/docs/v2.7/user/capacity-plan/index.html
index b945ad1..231f1fc 100644
--- a/en/docs/v2.7/user/capacity-plan/index.html
+++ b/en/docs/v2.7/user/capacity-plan/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo capacity plan">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/capacity-plan/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Capacity plan">
 <meta itemprop=description content="Dubbo capacity plan">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/config-connections/index.html b/en/docs/v2.7/user/examples/config-connections/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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@@ -598,7 +598,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/delay-publish/index.html b/en/docs/v2.7/user/examples/delay-publish/index.html
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--- a/en/docs/v2.7/user/examples/delay-publish/index.html
+++ b/en/docs/v2.7/user/examples/delay-publish/index.html
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@@ -615,7 +615,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/dump/index.html b/en/docs/v2.7/user/examples/dump/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/echo-service/index.html b/en/docs/v2.7/user/examples/echo-service/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/events-notify/index.html b/en/docs/v2.7/user/examples/events-notify/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/explicit-target/index.html b/en/docs/v2.7/user/examples/explicit-target/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/fault-tolerent-strategy/index.html b/en/docs/v2.7/user/examples/fault-tolerent-strategy/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/generic-invoke-with-json/index.html b/en/docs/v2.7/user/examples/generic-invoke-with-json/index.html
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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@@ -608,7 +608,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/generic-reference/index.html b/en/docs/v2.7/user/examples/generic-reference/index.html
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--- a/en/docs/v2.7/user/examples/generic-reference/index.html
+++ b/en/docs/v2.7/user/examples/generic-reference/index.html
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/generic-service/index.html b/en/docs/v2.7/user/examples/generic-service/index.html
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/graceful-shutdown/index.html b/en/docs/v2.7/user/examples/graceful-shutdown/index.html
index a0ebd69..e30a0da 100644
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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@@ -590,7 +590,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/group-merger/index.html b/en/docs/v2.7/user/examples/group-merger/index.html
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@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/hostname-binding/index.html b/en/docs/v2.7/user/examples/hostname-binding/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/loadbalance/index.html b/en/docs/v2.7/user/examples/loadbalance/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/local-call/index.html b/en/docs/v2.7/user/examples/local-call/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/local-mock/index.html b/en/docs/v2.7/user/examples/local-mock/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/local-stub/index.html b/en/docs/v2.7/user/examples/local-stub/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/msgpack-serialization/index.html b/en/docs/v2.7/user/examples/msgpack-serialization/index.html
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/multi-protocols/index.html b/en/docs/v2.7/user/examples/multi-protocols/index.html
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@@ -599,7 +599,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/multi-registry/index.html b/en/docs/v2.7/user/examples/multi-registry/index.html
index bfc333d..1d387c6 100644
--- a/en/docs/v2.7/user/examples/multi-registry/index.html
+++ b/en/docs/v2.7/user/examples/multi-registry/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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 <meta itemprop=description content="Config multiple registries in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -634,7 +634,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/multi-versions/index.html b/en/docs/v2.7/user/examples/multi-versions/index.html
index 3d8f3d4..9607ca2 100644
--- a/en/docs/v2.7/user/examples/multi-versions/index.html
+++ b/en/docs/v2.7/user/examples/multi-versions/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Multiple Versions">
 <meta itemprop=description content="Config multiple versions for services in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="140">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -582,7 +582,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/netty4/index.html b/en/docs/v2.7/user/examples/netty4/index.html
index 781dd3a..6993014 100644
--- a/en/docs/v2.7/user/examples/netty4/index.html
+++ b/en/docs/v2.7/user/examples/netty4/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Netty4">
 <meta itemprop=description content="Config netty4 support in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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@@ -587,7 +587,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/parameter-validation/index.html b/en/docs/v2.7/user/examples/parameter-validation/index.html
index 2ed0d40..4170849 100644
--- a/en/docs/v2.7/user/examples/parameter-validation/index.html
+++ b/en/docs/v2.7/user/examples/parameter-validation/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Parameter Validation">
 <meta itemprop=description content="Parameter validation in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Parameter Validation">
@@ -735,7 +735,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/preflight-check/index.html b/en/docs/v2.7/user/examples/preflight-check/index.html
index 46fe67b..068b019 100644
--- a/en/docs/v2.7/user/examples/preflight-check/index.html
+++ b/en/docs/v2.7/user/examples/preflight-check/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Config preflight check in dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/preflight-check/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Preflight Check">
 <meta itemprop=description content="Config preflight check in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Preflight Check">
@@ -598,7 +598,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/provider-timeout-release/index.html b/en/docs/v2.7/user/examples/provider-timeout-release/index.html
index dcce806..34a188a 100644
--- a/en/docs/v2.7/user/examples/provider-timeout-release/index.html
+++ b/en/docs/v2.7/user/examples/provider-timeout-release/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo provider executes timeout release">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/provider-timeout-release/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="provider timeout release">
 <meta itemprop=description content="Dubbo provider executes timeout release">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="provider timeout release">
@@ -674,7 +674,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/reference-config-cache/index.html b/en/docs/v2.7/user/examples/reference-config-cache/index.html
index 52beb36..bfc09d1 100644
--- a/en/docs/v2.7/user/examples/reference-config-cache/index.html
+++ b/en/docs/v2.7/user/examples/reference-config-cache/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Cache ReferenceConfig in dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/reference-config-cache/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ReferenceConfig Cache">
 <meta itemprop=description content="Cache ReferenceConfig in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ReferenceConfig Cache">
@@ -581,7 +581,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/registry-only/index.html b/en/docs/v2.7/user/examples/registry-only/index.html
index cf0ed86..520efb0 100644
--- a/en/docs/v2.7/user/examples/registry-only/index.html
+++ b/en/docs/v2.7/user/examples/registry-only/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Config registry only service in dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/registry-only/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Register Only">
 <meta itemprop=description content="Config registry only service in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Register Only">
@@ -570,7 +570,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/result-cache/index.html b/en/docs/v2.7/user/examples/result-cache/index.html
index fbacf45..a9d5e77 100644
--- a/en/docs/v2.7/user/examples/result-cache/index.html
+++ b/en/docs/v2.7/user/examples/result-cache/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Cache result in dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/result-cache/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Cache Result">
 <meta itemprop=description content="Cache result in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Cache Result">
@@ -587,7 +587,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/routing-rule/index.html b/en/docs/v2.7/user/examples/routing-rule/index.html
index 4d760f6..0b96f3c 100644
--- a/en/docs/v2.7/user/examples/routing-rule/index.html
+++ b/en/docs/v2.7/user/examples/routing-rule/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Config routing rule in dubbo">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/routing-rule/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Routing Rule">
 <meta itemprop=description content="Config routing rule in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Routing Rule">
@@ -744,7 +744,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/serialization/index.html b/en/docs/v2.7/user/examples/serialization/index.html
index dba6966..43af804 100644
--- a/en/docs/v2.7/user/examples/serialization/index.html
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@@ -614,7 +614,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/service-container/index.html b/en/docs/v2.7/user/examples/service-container/index.html
index 3bef135..5fbcf12 100644
--- a/en/docs/v2.7/user/examples/service-container/index.html
+++ b/en/docs/v2.7/user/examples/service-container/index.html
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@@ -615,7 +615,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/service-downgrade/index.html b/en/docs/v2.7/user/examples/service-downgrade/index.html
index 068a4d3..f7d96bc 100644
--- a/en/docs/v2.7/user/examples/service-downgrade/index.html
+++ b/en/docs/v2.7/user/examples/service-downgrade/index.html
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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@@ -573,7 +573,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/service-group/index.html b/en/docs/v2.7/user/examples/service-group/index.html
index 4cda869..5dd2768 100644
--- a/en/docs/v2.7/user/examples/service-group/index.html
+++ b/en/docs/v2.7/user/examples/service-group/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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@@ -574,7 +574,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/static-service/index.html b/en/docs/v2.7/user/examples/static-service/index.html
index 91ac0f5..cecd29d 100644
--- a/en/docs/v2.7/user/examples/static-service/index.html
+++ b/en/docs/v2.7/user/examples/static-service/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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@@ -570,7 +570,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/stickiness/index.html b/en/docs/v2.7/user/examples/stickiness/index.html
index 4aa02b8..2788d0c 100644
--- a/en/docs/v2.7/user/examples/stickiness/index.html
+++ b/en/docs/v2.7/user/examples/stickiness/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Stickiness Connection">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -568,7 +568,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/subscribe-only/index.html b/en/docs/v2.7/user/examples/subscribe-only/index.html
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--- a/en/docs/v2.7/user/examples/subscribe-only/index.html
+++ b/en/docs/v2.7/user/examples/subscribe-only/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -568,7 +568,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/thread-model/index.html b/en/docs/v2.7/user/examples/thread-model/index.html
index 3ef4287..9898e2f 100644
--- a/en/docs/v2.7/user/examples/thread-model/index.html
+++ b/en/docs/v2.7/user/examples/thread-model/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -590,7 +590,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v2.7/user/examples/token-authorization/index.html b/en/docs/v2.7/user/examples/token-authorization/index.html
index c5835dc..c3abc5c 100644
--- a/en/docs/v2.7/user/examples/token-authorization/index.html
+++ b/en/docs/v2.7/user/examples/token-authorization/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/user/examples/token-authorization/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Token Authorization">
 <meta itemprop=description content="Config token based authorization in dubbo">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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@@ -581,7 +581,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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diff --git a/en/docs/v2.7/user/index.html b/en/docs/v2.7/user/index.html
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@@ -650,7 +650,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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index e38f551..c311ba0 100644
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index 407cfa3..6abda93 100644
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@@ -571,7 +571,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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index 27099d1..32b4957 100644
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index ef00738..5c61ebe 100644
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@@ -623,7 +623,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/index.html b/en/docs/v3.0/index.html
index b6888be..4dc30b4 100644
--- a/en/docs/v3.0/index.html
+++ b/en/docs/v3.0/index.html
@@ -560,7 +560,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/graalvm/index.html b/en/docs/v3.0/references/graalvm/index.html
index 84d4d6c..dc849f3 100644
--- a/en/docs/v3.0/references/graalvm/index.html
+++ b/en/docs/v3.0/references/graalvm/index.html
@@ -562,7 +562,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/graalvm/support-graalvm/index.html b/en/docs/v3.0/references/graalvm/support-graalvm/index.html
index 487183c..331beed 100644
--- a/en/docs/v3.0/references/graalvm/support-graalvm/index.html
+++ b/en/docs/v3.0/references/graalvm/support-graalvm/index.html
@@ -23,7 +23,7 @@ Visite the official website (https://www.graalvm.org/ ) and install the latest v
   After installation, configure the path of JAVA_HOME.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v3.0/references/graalvm/support-graalvm/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content>
 <meta itemprop=description content="Overview This document will show you how to access GraalVM with a dubbo project and how to compile the project to a binary executable using native-image.
 For more information about GraalVM, read https://www.graalvm.org/docs/getting-started/container-images/.
@@ -31,7 +31,7 @@ Demo Before compiling the dubbo project, make sure that we are programming based
   Install GraalVM
 Visite the official website (https://www.graalvm.org/ ) and install the latest version based on your system:
   After installation, configure the path of JAVA_HOME.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="471">
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 <meta name=twitter:title content>
@@ -708,7 +708,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/index.html b/en/docs/v3.0/references/index.html
index 5873c68..2d16697 100644
--- a/en/docs/v3.0/references/index.html
+++ b/en/docs/v3.0/references/index.html
@@ -566,7 +566,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/lifecycle/brief/index.html b/en/docs/v3.0/references/lifecycle/brief/index.html
index 26301d5..53e40bc 100644
--- a/en/docs/v3.0/references/lifecycle/brief/index.html
+++ b/en/docs/v3.0/references/lifecycle/brief/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Pod Lifecycle is closely related to micro-service scheduling. Through the implementation of official Kubernetes probes, the life cycle of Dubbo and even the entire application can be aligned with the Pod Lifecycle. Using Dubbo&rsquo;s SPI mechanism, a variety of &ldquo;probes&rdquo; are implemented internally. Based on the HTTP service of the Dubbo QOS operation and maintenance module, the container probe can obtain the status of the corresponding [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v3.0/references/lifecycle/brief/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Brief">
 <meta itemprop=description content="Pod Lifecycle is closely related to micro-service scheduling. Through the implementation of official Kubernetes probes, the life cycle of Dubbo and even the entire application can be aligned with the Pod Lifecycle. Using Dubbo&rsquo;s SPI mechanism, a variety of &ldquo;probes&rdquo; are implemented internally. Based on the HTTP service of the Dubbo QOS operation and maintenance module, the container probe can obtain the status of the corresponding prob [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Brief">
@@ -607,7 +607,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/lifecycle/index.html b/en/docs/v3.0/references/lifecycle/index.html
index 858c49b..e1dce6d 100644
--- a/en/docs/v3.0/references/lifecycle/index.html
+++ b/en/docs/v3.0/references/lifecycle/index.html
@@ -580,7 +580,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/lifecycle/liveness/index.html b/en/docs/v3.0/references/lifecycle/liveness/index.html
index 7ec8ccf..f06710f 100644
--- a/en/docs/v3.0/references/lifecycle/liveness/index.html
+++ b/en/docs/v3.0/references/lifecycle/liveness/index.html
@@ -25,7 +25,7 @@ package com.xxx; public class XxxLivenessProbe implements LivenessProbe { public
 xxx=com.xxx.XxxLivenessProbe ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v3.0/references/lifecycle/liveness/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Liveness Probe">
 <meta itemprop=description content="Summary Extend the detection point of application survival.
 Extension Interface org.apache.dubbo.qos.probe.LivenessProbe
@@ -35,7 +35,7 @@ Extension Guide Directory layout:
 src |-main |-java |-com |-xxx |-XxxLivenessProbe.java (LivenessProbe implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.qos.probe.LivenessProbe (plain text file with the content:xxx=com.xxx.XxxLivenessProbe) XxxLivenessProbe.java:
 package com.xxx; public class XxxLivenessProbe implements LivenessProbe { public boolean check() { // ...  } } META-INF/dubbo/org.apache.dubbo.qos.probe.LivenessProbe:
 xxx=com.xxx.XxxLivenessProbe ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="66">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Liveness Probe">
@@ -621,7 +621,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/lifecycle/readiness/index.html b/en/docs/v3.0/references/lifecycle/readiness/index.html
index 7684e21..220c424 100644
--- a/en/docs/v3.0/references/lifecycle/readiness/index.html
+++ b/en/docs/v3.0/references/lifecycle/readiness/index.html
@@ -24,7 +24,7 @@ package com.xxx; public class XxxReadinessProbe implements ReadinessProbe { publ
 xxx=com.xxx.XxxReadinessProbe ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v3.0/references/lifecycle/readiness/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Readiness Probe">
 <meta itemprop=description content="Summary Extend the detection point of application readiness.
 Extension Interface org.apache.dubbo.qos.probe.ReadinessProbe
@@ -33,7 +33,7 @@ Existing Extensions  org.apache.dubbo.qos.probe.impl.BootstrapReadinessProbe org
 src |-main |-java |-com |-xxx |-XxxReadinessProbe.java (ReadinessProbe implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.qos.probe.ReadinessProbe (plain text file with the content:xxx=com.xxx.XxxReadinessProbe) XxxReadinessProbe.java:
 package com.xxx; public class XxxReadinessProbe implements ReadinessProbe { public boolean check() { // ...  } } META-INF/dubbo/org.apache.dubbo.qos.probe.ReadinessProbe:
 xxx=com.xxx.XxxReadinessProbe ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="65">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Readiness Probe">
@@ -621,7 +621,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/docs/v3.0/references/lifecycle/startup/index.html b/en/docs/v3.0/references/lifecycle/startup/index.html
index 1d66210..8e5f91d 100644
--- a/en/docs/v3.0/references/lifecycle/startup/index.html
+++ b/en/docs/v3.0/references/lifecycle/startup/index.html
@@ -24,7 +24,7 @@ package com.xxx; public class XxxStartupProbe implements StartupProbe { public b
 xxx=com.xxx.XxxStartupProbe ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/en/docs/v3.0/references/lifecycle/startup/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Startup Probe">
 <meta itemprop=description content="Summary Extend the detection point of application startup.
 Extension Interface org.apache.dubbo.qos.probe.StartupProbe
@@ -33,7 +33,7 @@ Existing Extensions  org.apache.dubbo.qos.probe.impl.BootstrapStartupProbe  Exte
 src |-main |-java |-com |-xxx |-XxxStartupProbe.java (StartupProbe implementation) |-resources |-META-INF |-dubbo |-org.apache.dubbo.qos.probe.StartupProbe (plain text file with the content:xxx=com.xxx.XxxStartupProbe) XxxStartupProbe.java:
 package com.xxx; public class XxxStartupProbe implements StartupProbe { public boolean check() { // ...  } } META-INF/dubbo/org.apache.dubbo.qos.probe.StartupProbe:
 xxx=com.xxx.XxxStartupProbe ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="64">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Startup Probe">
@@ -620,7 +620,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">Last modified September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">Last modified September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/en/sitemap.xml b/en/sitemap.xml
index 4d990a6..94b7532 100644
--- a/en/sitemap.xml
+++ b/en/sitemap.xml
@@ -1 +1 @@
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\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" standalone="yes"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml"><url><loc>https://dubbo.apache.org/en/docs/v2.7/admin/install/admin-console/</loc><lastmod>2021-09-07T09:54:01+08:00</lastmod><changefreq>monthly</changefreq><priority>0.5</priority></url><url><loc>https://dubbo.apache.org/en/docs/v2.7/user/preface/background/</loc><lastmod>2021-09-07T09:54:01+08:00</lastmod><changefreq>monthly</cha [...]
\ No newline at end of file
diff --git a/sitemap.xml b/sitemap.xml
index 5d73cf1..3ae07c7 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?><sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://dubbo.apache.org/zh/sitemap.xml</loc><lastmod>2021-09-06T10:38:02+08:00</lastmod></sitemap><sitemap><loc>https://dubbo.apache.org/en/sitemap.xml</loc><lastmod>2021-09-06T10:38:02+08:00</lastmod></sitemap></sitemapindex>
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" standalone="yes"?><sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://dubbo.apache.org/en/sitemap.xml</loc><lastmod>2021-09-07T09:54:01+08:00</lastmod></sitemap><sitemap><loc>https://dubbo.apache.org/zh/sitemap.xml</loc><lastmod>2021-09-07T09:54:01+08:00</lastmod></sitemap></sitemapindex>
\ No newline at end of file
diff --git "a/zh/blog/2018/01/01/dubbo-\345\215\232\345\256\242\346\226\207\346\241\243\344\270\255\346\226\207\346\216\222\347\211\210\346\214\207\345\215\227/index.html" "b/zh/blog/2018/01/01/dubbo-\345\215\232\345\256\242\346\226\207\346\241\243\344\270\255\346\226\207\346\216\222\347\211\210\346\214\207\345\215\227/index.html"
index a861ff1..b21eca0 100644
--- "a/zh/blog/2018/01/01/dubbo-\345\215\232\345\256\242\346\226\207\346\241\243\344\270\255\346\226\207\346\216\222\347\211\210\346\214\207\345\215\227/index.html"
+++ "b/zh/blog/2018/01/01/dubbo-\345\215\232\345\256\242\346\226\207\346\241\243\344\270\255\346\226\207\346\216\222\347\211\210\346\214\207\345\215\227/index.html"
@@ -20,11 +20,11 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 博客文档中文排版指南">
 <meta itemprop=description content="统一中文文案、排版的相关用法,降低团队成员之间的沟通成本,增强网站气质。
 "><meta itemprop=datePublished content="2018-01-01T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="379">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo 博客文档中文排版指南">
diff --git "a/zh/blog/2018/03/11/\345\246\202\344\275\225\345\217\202\344\270\216\350\264\241\347\214\256dubbo\347\244\276\345\214\272/index.html" "b/zh/blog/2018/03/11/\345\246\202\344\275\225\345\217\202\344\270\216\350\264\241\347\214\256dubbo\347\244\276\345\214\272/index.html"
index a159f92..92012ec 100644
--- "a/zh/blog/2018/03/11/\345\246\202\344\275\225\345\217\202\344\270\216\350\264\241\347\214\256dubbo\347\244\276\345\214\272/index.html"
+++ "b/zh/blog/2018/03/11/\345\246\202\344\275\225\345\217\202\344\270\216\350\264\241\347\214\256dubbo\347\244\276\345\214\272/index.html"
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2018/03/11/%E5%A6%82%E4%BD%95%E5%8F%82%E4%B8%8E%E8%B4%A1%E7%8C%AEdubbo%E7%A4%BE%E5%8C%BA/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2018-03-11T00:00:00+00:00">
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="如何参与贡献Dubbo社区">
 <meta itemprop=description content="本文介绍了如何以Apache Way的方式参与Dubbo社区并做贡献
 "><meta itemprop=datePublished content="2018-03-11T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="112">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="如何参与贡献Dubbo社区">
diff --git "a/zh/blog/2018/04/22/dubbo\350\267\257\347\272\277\345\233\276\345\234\250qcon-beijing-2018\344\270\212\345\205\254\345\270\203/index.html" "b/zh/blog/2018/04/22/dubbo\350\267\257\347\272\277\345\233\276\345\234\250qcon-beijing-2018\344\270\212\345\205\254\345\270\203/index.html"
index 0e6ecbb..a2829d5 100644
--- "a/zh/blog/2018/04/22/dubbo\350\267\257\347\272\277\345\233\276\345\234\250qcon-beijing-2018\344\270\212\345\205\254\345\270\203/index.html"
+++ "b/zh/blog/2018/04/22/dubbo\350\267\257\347\272\277\345\233\276\345\234\250qcon-beijing-2018\344\270\212\345\205\254\345\270\203/index.html"
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2018/04/22/dubbo%E8%B7%AF%E7%BA%BF%E5%9B%BE%E5%9C%A8qcon-beijing-2018%E4%B8%8A%E5%85%AC%E5%B8%83/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2018-04-22T00:00:00+00:00">
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo路线图在QCon Beijing 2018上公布">
 <meta itemprop=description content="本文将向你介绍在QCon Beijing 2018上公布Dubbo路线图。
 "><meta itemprop=datePublished content="2018-04-22T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="3">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo路线图在QCon Beijing 2018上公布">
diff --git "a/zh/blog/2018/04/23/\345\234\250dockerhub\345\217\221\345\270\203dubbo-admin\351\225\234\345\203\217/index.html" "b/zh/blog/2018/04/23/\345\234\250dockerhub\345\217\221\345\270\203dubbo-admin\351\225\234\345\203\217/index.html"
index 399f945d..3c358ca 100644
--- "a/zh/blog/2018/04/23/\345\234\250dockerhub\345\217\221\345\270\203dubbo-admin\351\225\234\345\203\217/index.html"
+++ "b/zh/blog/2018/04/23/\345\234\250dockerhub\345\217\221\345\270\203dubbo-admin\351\225\234\345\203\217/index.html"
@@ -20,11 +20,11 @@
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 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2018/04/23/%E5%9C%A8dockerhub%E5%8F%91%E5%B8%83dubbo-admin%E9%95%9C%E5%83%8F/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2018-04-23T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="在DockerHub发布Dubbo Admin镜像">
 <meta itemprop=description content="本文将介绍如何在Dockerhub上发布Dubbo Admin镜像。
 "><meta itemprop=datePublished content="2018-04-23T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="40">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="在DockerHub发布Dubbo Admin镜像">
diff --git "a/zh/blog/2018/04/25/\350\260\267\346\255\214\347\274\226\347\250\213\344\271\213\345\244\217\344\274\232\350\256\256\344\270\2122018\344\270\252\351\241\271\347\233\256\350\242\253\345\256\243\345\270\203/index.html" "b/zh/blog/2018/04/25/\350\260\267\346\255\214\347\274\226\347\250\213\344\271\213\345\244\217\344\274\232\350\256\256\344\270\2122018\344\270\252\351\241\271\347\233\256\350\242\253\345\256\243\345\270\203/index.html"
index 09279b0..65040f6 100644
--- "a/zh/blog/2018/04/25/\350\260\267\346\255\214\347\274\226\347\250\213\344\271\213\345\244\217\344\274\232\350\256\256\344\270\2122018\344\270\252\351\241\271\347\233\256\350\242\253\345\256\243\345\270\203/index.html"
+++ "b/zh/blog/2018/04/25/\350\260\267\346\255\214\347\274\226\347\250\213\344\271\213\345\244\217\344\274\232\350\256\256\344\270\2122018\344\270\252\351\241\271\347\233\256\350\242\253\345\256\243\345\270\203/index.html"
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2018/04/25/%E8%B0%B7%E6%AD%8C%E7%BC%96%E7%A8%8B%E4%B9%8B%E5%A4%8F%E4%BC%9A%E8%AE%AE%E4%B8%8A2018%E4%B8%AA%E9%A1%B9%E7%9B%AE%E8%A2%AB%E5%AE%A3%E5%B8%83/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2018-04-25T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="谷歌编程之夏会议上2018个项目被宣布">
 <meta itemprop=description content="谷歌编程之夏会议上2018个项目被宣布,Dubbo位列其中。
 "><meta itemprop=datePublished content="2018-04-25T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="8">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="谷歌编程之夏会议上2018个项目被宣布">
diff --git "a/zh/blog/2018/05/02/apachecon-na-\345\244\247\344\274\232\350\256\256\347\250\213\345\205\254\345\270\203/index.html" "b/zh/blog/2018/05/02/apachecon-na-\345\244\247\344\274\232\350\256\256\347\250\213\345\205\254\345\270\203/index.html"
index 80c7289..9310934 100644
--- "a/zh/blog/2018/05/02/apachecon-na-\345\244\247\344\274\232\350\256\256\347\250\213\345\205\254\345\270\203/index.html"
+++ "b/zh/blog/2018/05/02/apachecon-na-\345\244\247\344\274\232\350\256\256\347\250\213\345\205\254\345\270\203/index.html"
@@ -20,11 +20,11 @@
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 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2018/05/02/apachecon-na-%E5%A4%A7%E4%BC%9A%E8%AE%AE%E7%A8%8B%E5%85%AC%E5%B8%83/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2018-05-02T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="ApacheCon NA 大会议程公布">
 <meta itemprop=description content="本文将向你介绍在ApacheCon大会议程公布上相关Dubbo议题演讲。
 "><meta itemprop=datePublished content="2018-05-02T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="12">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="ApacheCon NA 大会议程公布">
diff --git "a/zh/blog/2018/05/12/\351\246\226\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\345\214\227\344\272\254\346\210\220\345\212\237\344\270\276\345\212\236/index.html" "b/zh/blog/2018/05/12/\351\246\226\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\345\214\227\344\272\254\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
index 2624956..4bab15a 100644
--- "a/zh/blog/2018/05/12/\351\246\226\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\345\214\227\344\272\254\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
+++ "b/zh/blog/2018/05/12/\351\246\226\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\345\214\227\344\272\254\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
@@ -19,10 +19,10 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="首届Dubbo开发者沙龙在北京成功举办">
 <meta itemprop=description content="首届Dubbo开发者沙龙在北京成功举办"><meta itemprop=datePublished content="2018-05-12T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="首届Dubbo开发者沙龙在北京成功举办">
diff --git "a/zh/blog/2018/05/21/dubbo-\345\244\226\351\203\250\345\214\226\351\205\215\347\275\256/index.html" "b/zh/blog/2018/05/21/dubbo-\345\244\226\351\203\250\345\214\226\351\205\215\347\275\256/index.html"
index 2437634..d1f6448 100644
--- "a/zh/blog/2018/05/21/dubbo-\345\244\226\351\203\250\345\214\226\351\205\215\347\275\256/index.html"
+++ "b/zh/blog/2018/05/21/dubbo-\345\244\226\351\203\250\345\214\226\351\205\215\347\275\256/index.html"
@@ -24,7 +24,7 @@
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 <meta property="article:published_time" content="2018-05-21T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 外部化配置">
 <meta itemprop=description content="Dubbo 外部化配置 外部化配置 在Dubbo 注解驱动例子中,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:
 @Bean public ApplicationConfig applicationConfig() { ApplicationConfig applicationConfig = new ApplicationConfig(); applicationConfig.setName(&#34;dubbo-annotation-consumer&#34;); return applicationConfig; } 虽然实现类似于ProviderConfiguration 和 ConsumerConfiguration 这样的 Spring @Configuration Bean 成本并不高,不过通过 Java Code 的方式定义配置 Bean,或多或少是一种 Hard Code(硬编码)的行为,缺少弹性。
@@ -32,7 +32,7 @@
 随着 Spring Boot / Spring Cloud 应用的流行,开发人员逐渐地接受并且使用 Spring Boot 外部化配置(External Configuration),即通过 application.properties 或者 bootstrap.properties 装配配置 Bean。
 下列表格记录了 Dubbo 内置配置类:
    配置类 标签 用途 解释     ProtocolConfig <dubbo:protocol/> 协议配置 用于配置提供服务的协议信息,协议由提供方指定,消费方被动接受   ApplicationConfig <dubbo:application/> 应用配置 用于配置当前应用信息,不管该应用是提供者还是消费者   ModuleConfig <dubbo:module/> 模块配置 用于配置当前模块信息,可选   RegistryConfig <dubbo:registry/> 注册中心配置 用于配置连接注册中心相关信息   MonitorConfig <dubbo:monitor/> 监控中心配置 用于配置连接监控中心相关信息,可选   ProviderConfig <dubbo:provider/> 提供方配置 当 ProtocolConfig 和 ServiceConfig 某属性没有配置时,采用此缺省值,可选   ConsumerConfig <dubbo:consumer/> 消费方配置 当 ReferenceConfig 某属性没有配置时,采用此缺省 [...]
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo 外部化配置">
diff --git "a/zh/blog/2018/06/03/\344\273\245-dubbo-\344\270\272\344\276\213\350\201\212\350\201\212\345\246\202\344\275\225\345\220\221\345\274\200\346\272\220\351\241\271\347\233\256\345\201\232\350\264\241\347\214\256/index.html" "b/zh/blog/2018/06/03/\344\273\245-dubbo-\344\270\272\344\276\213\350\201\212\350\201\212\345\246\202\344\275\225\345\220\221\345\274\200\346\272\220\351\241\271\347\233\256\345\201\232\350\264\241\347\214\256/index.html"
index fccd408..0187d6d 100644
--- "a/zh/blog/2018/06/03/\344\273\245-dubbo-\344\270\272\344\276\213\350\201\212\350\201\212\345\246\202\344\275\225\345\220\221\345\274\200\346\272\220\351\241\271\347\233\256\345\201\232\350\264\241\347\214\256/index.html"
+++ "b/zh/blog/2018/06/03/\344\273\245-dubbo-\344\270\272\344\276\213\350\201\212\350\201\212\345\246\202\344\275\225\345\220\221\345\274\200\346\272\220\351\241\271\347\233\256\345\201\232\350\264\241\347\214\256/index.html"
@@ -20,11 +20,11 @@
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 <meta property="article:published_time" content="2018-06-03T00:00:00+00:00">
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index ae5ae78..fc1ef40 100644
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+++ "b/zh/blog/2018/06/23/\347\254\254\344\272\214\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\344\270\212\346\265\267\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
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diff --git "a/zh/blog/2018/07/12/\344\275\277\347\224\250pinpoint\345\201\232\345\210\206\345\270\203\345\274\217\350\267\237\350\270\252/index.html" "b/zh/blog/2018/07/12/\344\275\277\347\224\250pinpoint\345\201\232\345\210\206\345\270\203\345\274\217\350\267\237\350\270\252/index.html"
index 3c76a09..55cfbbf 100644
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+++ "b/zh/blog/2018/07/12/\344\275\277\347\224\250pinpoint\345\201\232\345\210\206\345\270\203\345\274\217\350\267\237\350\270\252/index.html"
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diff --git "a/zh/blog/2018/07/22/dubbo-2.7.x-repackage-\345\220\216\347\232\204\345\205\274\345\256\271\345\256\236\347\216\260\346\226\271\346\241\210/index.html" "b/zh/blog/2018/07/22/dubbo-2.7.x-repackage-\345\220\216\347\232\204\345\205\274\345\256\271\345\256\236\347\216\260\346\226\271\346\241\210/index.html"
index a206a5e..6be5611 100644
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+++ "b/zh/blog/2018/07/22/dubbo-2.7.x-repackage-\345\220\216\347\232\204\345\205\274\345\256\271\345\256\236\347\216\260\346\226\271\346\241\210/index.html"
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diff --git "a/zh/blog/2018/07/27/sentinel-\344\270\272-dubbo-\346\234\215\345\212\241\344\277\235\351\251\276\346\212\244\350\210\252/index.html" "b/zh/blog/2018/07/27/sentinel-\344\270\272-dubbo-\346\234\215\345\212\241\344\277\235\351\251\276\346\212\244\350\210\252/index.html"
index 78c0e0d..708ca96 100644
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+++ "b/zh/blog/2018/07/27/sentinel-\344\270\272-dubbo-\346\234\215\345\212\241\344\277\235\351\251\276\346\212\244\350\210\252/index.html"
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index 73225f5..ffd5b96 100644
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index 816d594..2111a95 100644
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index 047b030..ee4e3be 100644
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index 24ea431..36a0f6e 100644
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index 2e4efac..0417263 100644
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index 8780fb7..8e5f486 100644
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+++ "b/zh/blog/2018/08/14/dubbo-\345\205\263\344\272\216\345\220\214\346\255\245/\345\274\202\346\255\245\350\260\203\347\224\250\347\232\204\345\207\240\347\247\215\346\226\271\345\274\217/index.html"
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index da98c65..49cc364 100644
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index 9b1d886..749dd58 100644
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index 0e3454d..f7dda9d 100644
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+++ "b/zh/blog/2018/08/14/spring-boot-dubbo\345\272\224\347\224\250\345\220\257\345\201\234\346\272\220\347\240\201\345\210\206\346\236\220/index.html"
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diff --git "a/zh/blog/2018/08/14/\344\273\216\350\267\250\350\257\255\350\250\200\350\260\203\347\224\250\345\210\260dubbo2.js/index.html" "b/zh/blog/2018/08/14/\344\273\216\350\267\250\350\257\255\350\250\200\350\260\203\347\224\250\345\210\260dubbo2.js/index.html"
index be4a64c..4d4b08b 100644
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+++ "b/zh/blog/2018/08/14/\344\273\216\350\267\250\350\257\255\350\250\200\350\260\203\347\224\250\345\210\260dubbo2.js/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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index f94421d..63d9d88 100644
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+++ "b/zh/blog/2018/08/14/\351\200\232\350\277\207qos\345\257\271\346\234\215\345\212\241\350\277\233\350\241\214\345\212\250\346\200\201\346\216\247\345\210\266/index.html"
@@ -20,11 +20,11 @@
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 <meta itemprop=name content="通过QoS对服务进行动态控制">
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 <meta name=twitter:title content="通过QoS对服务进行动态控制">
diff --git "a/zh/blog/2018/08/15/dubbo2.7-\344\270\211\345\244\247\346\226\260\347\211\271\346\200\247\350\257\246\350\247\243/index.html" "b/zh/blog/2018/08/15/dubbo2.7-\344\270\211\345\244\247\346\226\260\347\211\271\346\200\247\350\257\246\350\247\243/index.html"
index b57bd8d..a76bad3 100644
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+++ "b/zh/blog/2018/08/15/dubbo2.7-\344\270\211\345\244\247\346\226\260\347\211\271\346\200\247\350\257\246\350\247\243/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo2.7 三大新特性详解">
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 "><meta itemprop=datePublished content="2018-08-15T00:00:00+00:00">
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 <meta itemprop=wordCount content="442">
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 <meta name=twitter:title content="Dubbo2.7 三大新特性详解">
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index 49cd203..78a8b2c 100644
--- "a/zh/blog/2018/08/19/dubbo-\347\216\260\346\234\211\345\277\203\350\267\263\346\226\271\346\241\210\346\200\273\347\273\223\344\273\245\345\217\212\346\224\271\350\277\233\345\273\272\350\256\256/index.html"
+++ "b/zh/blog/2018/08/19/dubbo-\347\216\260\346\234\211\345\277\203\350\267\263\346\226\271\346\241\210\346\200\273\347\273\223\344\273\245\345\217\212\346\224\271\350\277\233\345\273\272\350\256\256/index.html"
@@ -20,11 +20,11 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 现有心跳方案总结以及改进建议">
 <meta itemprop=description content="本文介绍了一种心跳,两种设计
 "><meta itemprop=datePublished content="2018-08-19T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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index a3c3649..9244ac7 100644
--- "a/zh/blog/2018/08/22/dubbo-\351\233\206\347\276\244\345\256\271\351\224\231/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 集群容错">
 <meta itemprop=description content="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。本文介绍了Dubbo框架提供的多种错误处理策略,并通过实例说明如何进行配置。
 "><meta itemprop=datePublished content="2018-08-22T00:00:00+00:00">
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index 507fcc2..44e2ece 100644
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+++ "b/zh/blog/2018/08/22/spring\345\272\224\347\224\250\345\277\253\351\200\237\351\233\206\346\210\220dubbo-hystrix/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Spring应用快速集成Dubbo + Hystrix">
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diff --git "a/zh/blog/2018/08/26/\347\254\254\345\233\233\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\344\272\2168\346\234\21026\346\227\245\345\234\250\346\210\220\351\203\275\344\270\276\350\241\214/index.html" "b/zh/blog/2018/08/26/\347\254\254\345\233\233\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\344\272\2168\346\234\21026\346\227\245\345\234\250\346\210\220\351\203\275\344\270\276\350\241\214/index.html"
index 20a5065..7608649 100644
--- "a/zh/blog/2018/08/26/\347\254\254\345\233\233\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\344\272\2168\346\234\21026\346\227\245\345\234\250\346\210\220\351\203\275\344\270\276\350\241\214/index.html"
+++ "b/zh/blog/2018/08/26/\347\254\254\345\233\233\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\344\272\2168\346\234\21026\346\227\245\345\234\250\346\210\220\351\203\275\344\270\276\350\241\214/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="第四届Dubbo开发者沙龙于8月26日在成都举行">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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index d3737fd..ce10bcf 100644
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index 482042d..b9c988b 100644
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+++ "b/zh/blog/2018/09/02/\345\246\202\344\275\225\345\237\272\344\272\216dubbo\345\256\236\347\216\260\345\205\250\345\274\202\346\255\245\350\260\203\347\224\250\351\223\276/index.html"
@@ -20,11 +20,11 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="如何基于Dubbo实现全异步调用链">
 <meta itemprop=description content="本文回顾了 2.6.x 版本的异步实现,然后引出了 2.7.0 版本基于 CompletableFuture 的异步编程方式。
 "><meta itemprop=datePublished content="2018-09-02T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="如何基于Dubbo实现全异步调用链">
diff --git "a/zh/blog/2018/09/20/dubbo-mesh-service-mesh\347\232\204\345\256\236\350\267\265\344\270\216\346\216\242\347\264\242/index.html" "b/zh/blog/2018/09/20/dubbo-mesh-service-mesh\347\232\204\345\256\236\350\267\265\344\270\216\346\216\242\347\264\242/index.html"
index 91b75df..1782a5e 100644
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+++ "b/zh/blog/2018/09/20/dubbo-mesh-service-mesh\347\232\204\345\256\236\350\267\265\344\270\216\346\216\242\347\264\242/index.html"
@@ -19,10 +19,10 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo Mesh | Service Mesh的实践与探索">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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diff --git "a/zh/blog/2018/09/30/dubbo\344\270\216kubernetes\351\233\206\346\210\220/index.html" "b/zh/blog/2018/09/30/dubbo\344\270\216kubernetes\351\233\206\346\210\220/index.html"
index 5026f28..9ec5443 100644
--- "a/zh/blog/2018/09/30/dubbo\344\270\216kubernetes\351\233\206\346\210\220/index.html"
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index c634f7a..e1afe81 100644
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index 276b8ff..0d3f24a 100644
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+++ "b/zh/blog/2018/10/27/dubbo\346\234\215\345\212\241\345\210\206\347\273\204\345\222\214\347\211\210\346\234\254\350\201\232\345\220\210/index.html"
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diff --git "a/zh/blog/2018/11/07/dubbo-\350\236\215\345\220\210-nacos-\346\210\220\344\270\272\346\263\250\345\206\214\344\270\255\345\277\203/index.html" "b/zh/blog/2018/11/07/dubbo-\350\236\215\345\220\210-nacos-\346\210\220\344\270\272\346\263\250\345\206\214\344\270\255\345\277\203/index.html"
index 8f42a2b..41832aa 100644
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+++ "b/zh/blog/2018/11/07/dubbo-\350\236\215\345\220\210-nacos-\346\210\220\344\270\272\346\263\250\345\206\214\344\270\255\345\277\203/index.html"
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diff --git "a/zh/blog/2018/12/10/\347\254\254\344\272\224\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\346\235\255\345\267\236\346\210\220\345\212\237\344\270\276\345\212\236/index.html" "b/zh/blog/2018/12/10/\347\254\254\344\272\224\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\346\235\255\345\267\236\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
index cc120ae..53869d7 100644
--- "a/zh/blog/2018/12/10/\347\254\254\344\272\224\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\346\235\255\345\267\236\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
+++ "b/zh/blog/2018/12/10/\347\254\254\344\272\224\345\261\212dubbo\345\274\200\345\217\221\350\200\205\346\262\231\351\276\231\345\234\250\346\235\255\345\267\236\346\210\220\345\212\237\344\270\276\345\212\236/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="第五届Dubbo开发者沙龙在杭州成功举办">
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index 788c673..d165439 100644
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+++ "b/zh/blog/2019/01/05/dubbo-\345\234\250\347\223\234\345\255\220\344\272\214\346\211\213\350\275\246\347\232\204\345\256\236\350\267\265/index.html"
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index 6c583b0..2ae4684 100644
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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index 40c0199..d6fe8b6 100644
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+++ "b/zh/blog/2019/01/17/\345\246\202\344\275\225\344\275\277\347\224\250seata\344\277\235\350\257\201dubbo\345\276\256\346\234\215\345\212\241\351\227\264\347\232\204\344\270\200\350\207\264\346\200\247/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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index c5a4360..082e20c 100644
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index 16b8f6f..5196cd4 100644
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+++ "b/zh/blog/2019/02/02/\345\275\223dubbo\351\201\207\344\270\212arthas\346\216\222\346\237\245\351\227\256\351\242\230\347\232\204\345\256\236\350\267\265/index.html"
@@ -20,11 +20,11 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="当Dubbo遇上Arthas:排查问题的实践">
 <meta itemprop=description content="使用Alibaba开源的应用诊断利器Arthas来排查Dubbo应用的问题。
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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diff --git "a/zh/blog/2019/02/03/\346\217\220\345\211\215if\345\210\244\346\226\255\345\270\256\345\212\251cpu\345\210\206\346\224\257\351\242\204\346\265\213/index.html" "b/zh/blog/2019/02/03/\346\217\220\345\211\215if\345\210\244\346\226\255\345\270\256\345\212\251cpu\345\210\206\346\224\257\351\242\204\346\265\213/index.html"
index 17427fc..185bf6d 100644
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+++ "b/zh/blog/2019/02/03/\346\217\220\345\211\215if\345\210\244\346\226\255\345\270\256\345\212\251cpu\345\210\206\346\224\257\351\242\204\346\265\213/index.html"
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index 1ffe731..1b77516 100644
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index f458327..fe88fad 100644
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+++ "b/zh/blog/2019/06/22/\344\275\277\347\224\250-dubbo-\350\277\236\346\216\245\345\274\202\346\236\204\345\276\256\346\234\215\345\212\241\344\275\223\347\263\273/index.html"
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index 8ba11ad..eacd93b 100644
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 <meta name=twitter:title content="Dubbo 中的 URL 统一模型">
diff --git "a/zh/blog/2019/10/22/\346\234\254\345\234\260\345\255\230\346\240\271\345\222\214\346\234\254\345\234\260\344\274\252\350\243\205/index.html" "b/zh/blog/2019/10/22/\346\234\254\345\234\260\345\255\230\346\240\271\345\222\214\346\234\254\345\234\260\344\274\252\350\243\205/index.html"
index f3fd57e..9a2a407 100644
--- "a/zh/blog/2019/10/22/\346\234\254\345\234\260\345\255\230\346\240\271\345\222\214\346\234\254\345\234\260\344\274\252\350\243\205/index.html"
+++ "b/zh/blog/2019/10/22/\346\234\254\345\234\260\345\255\230\346\240\271\345\222\214\346\234\254\345\234\260\344\274\252\350\243\205/index.html"
@@ -19,10 +19,10 @@
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 <meta property="article:published_time" content="2019-10-22T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="本地存根和本地伪装">
 <meta itemprop=description content="本文介绍了 Dubbo 中本地存根和本地伪装的用法"><meta itemprop=datePublished content="2019-10-22T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="686">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="本地存根和本地伪装">
diff --git "a/zh/blog/2019/10/28/dubbo-\345\234\250\350\267\250\350\257\255\350\250\200\345\222\214\345\215\217\350\256\256\347\251\277\351\200\217\346\200\247\346\226\271\345\220\221\344\270\212\347\232\204\346\216\242\347\264\242\346\224\257\346\214\201-http/2-grpc-\345\222\214-protobuf/index.html" "b/zh/blog/2019/10/28/dubbo-\345\234\250\350\267\250\350\257\255\350\250\200\345\222\214\345\215\217\350\256\256\347\251\277\351\200\217\346\200\247\346\226\271\345\220\221\344\270\212\347\23 [...]
index 2f0dfa5..222e96c 100644
--- "a/zh/blog/2019/10/28/dubbo-\345\234\250\350\267\250\350\257\255\350\250\200\345\222\214\345\215\217\350\256\256\347\251\277\351\200\217\346\200\247\346\226\271\345\220\221\344\270\212\347\232\204\346\216\242\347\264\242\346\224\257\346\214\201-http/2-grpc-\345\222\214-protobuf/index.html"
+++ "b/zh/blog/2019/10/28/dubbo-\345\234\250\350\267\250\350\257\255\350\250\200\345\222\214\345\215\217\350\256\256\347\251\277\351\200\217\346\200\247\346\226\271\345\220\221\344\270\212\347\232\204\346\216\242\347\264\242\346\224\257\346\214\201-http/2-grpc-\345\222\214-protobuf/index.html"
@@ -20,11 +20,11 @@
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2019/10/28/dubbo-%E5%9C%A8%E8%B7%A8%E8%AF%AD%E8%A8%80%E5%92%8C%E5%8D%8F%E8%AE%AE%E7%A9%BF%E9%80%8F%E6%80%A7%E6%96%B9%E5%90%91%E4%B8%8A%E7%9A%84%E6%8E%A2%E7%B4%A2%E6%94%AF%E6%8C%81-http/2-grpc-%E5%92%8C-protobuf/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2019-10-28T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 在跨语言和协议穿透性方向上的探索:支持 HTTP/2 gRPC 和 Protobuf">
 <meta itemprop=description content="本文整理自刘军在 Dubbo 成都 meetup 上分享的《Dubbo 在多语言和协议穿透性方向上的探索》。
 "><meta itemprop=datePublished content="2019-10-28T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="1504">
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 <meta name=twitter:title content="Dubbo 在跨语言和协议穿透性方向上的探索:支持 HTTP/2 gRPC 和 Protobuf">
diff --git "a/zh/blog/2019/11/01/dubbo\345\256\242\346\210\267\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html" "b/zh/blog/2019/11/01/dubbo\345\256\242\346\210\267\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html"
index dbc77ef..a7d1198 100644
--- "a/zh/blog/2019/11/01/dubbo\345\256\242\346\210\267\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html"
+++ "b/zh/blog/2019/11/01/dubbo\345\256\242\346\210\267\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html"
@@ -20,11 +20,11 @@
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 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2019/11/01/dubbo%E5%AE%A2%E6%88%B7%E7%AB%AF%E5%BC%82%E6%AD%A5%E6%8E%A5%E5%8F%A3%E7%9A%84%E5%AE%9E%E7%8E%B0%E8%83%8C%E6%99%AF%E5%92%8C%E5%AE%9E%E8%B7%B5/"><meta property="article:section" content="blog">
 <meta property="article:published_time" content="2019-11-01T00:00:00+00:00">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo客户端异步接口的实现背景和实践">
 <meta itemprop=description content="本文介绍了 Dubbo 客户端异步接口的实现背景和实践 
 "><meta itemprop=datePublished content="2019-11-01T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="Dubbo客户端异步接口的实现背景和实践">
diff --git "a/zh/blog/2019/11/02/dubbo\346\234\215\345\212\241\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html" "b/zh/blog/2019/11/02/dubbo\346\234\215\345\212\241\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html"
index eee9e36..be880f7 100644
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+++ "b/zh/blog/2019/11/02/dubbo\346\234\215\345\212\241\347\253\257\345\274\202\346\255\245\346\216\245\345\217\243\347\232\204\345\256\236\347\216\260\350\203\214\346\231\257\345\222\214\345\256\236\350\267\265/index.html"
@@ -20,11 +20,11 @@
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 <meta property="og:url" content="https://dubbo.apache.org/zh/blog/2019/11/02/dubbo%E6%9C%8D%E5%8A%A1%E7%AB%AF%E5%BC%82%E6%AD%A5%E6%8E%A5%E5%8F%A3%E7%9A%84%E5%AE%9E%E7%8E%B0%E8%83%8C%E6%99%AF%E5%92%8C%E5%AE%9E%E8%B7%B5/"><meta property="article:section" content="blog">
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo服务端异步接口的实现背景和实践">
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 "><meta itemprop=datePublished content="2019-11-02T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="106">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo服务端异步接口的实现背景和实践">
diff --git "a/zh/blog/2019/11/30/dubbo-\345\234\250-service-mesh-\344\270\213\347\232\204\346\200\235\350\200\203\345\222\214\346\226\271\346\241\210/index.html" "b/zh/blog/2019/11/30/dubbo-\345\234\250-service-mesh-\344\270\213\347\232\204\346\200\235\350\200\203\345\222\214\346\226\271\346\241\210/index.html"
index 967e401..6af95ad 100644
--- "a/zh/blog/2019/11/30/dubbo-\345\234\250-service-mesh-\344\270\213\347\232\204\346\200\235\350\200\203\345\222\214\346\226\271\346\241\210/index.html"
+++ "b/zh/blog/2019/11/30/dubbo-\345\234\250-service-mesh-\344\270\213\347\232\204\346\200\235\350\200\203\345\222\214\346\226\271\346\241\210/index.html"
@@ -19,10 +19,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Dubbo 在 Service Mesh 下的思考和方案">
 <meta itemprop=description content="Dubbo 是实现框架,融入 service mesh 理念就是我们今天分享的"><meta itemprop=datePublished content="2019-11-30T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="107">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Dubbo 在 Service Mesh 下的思考和方案">
diff --git "a/zh/blog/2019/12/02/dubbo\346\265\213\350\257\225\351\252\214\350\257\201/index.html" "b/zh/blog/2019/12/02/dubbo\346\265\213\350\257\225\351\252\214\350\257\201/index.html"
index 092d43f..69c9e11 100644
--- "a/zh/blog/2019/12/02/dubbo\346\265\213\350\257\225\351\252\214\350\257\201/index.html"
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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index aee778b..386b1d0 100644
--- "a/zh/blog/2020/05/11/\344\273\216-2019-\345\210\260-2020apache-dubbo-\345\271\264\345\272\246\345\233\236\351\241\276\344\270\216\346\200\273\347\273\223/index.html"
+++ "b/zh/blog/2020/05/11/\344\273\216-2019-\345\210\260-2020apache-dubbo-\345\271\264\345\272\246\345\233\236\351\241\276\344\270\216\346\200\273\347\273\223/index.html"
@@ -20,11 +20,11 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="从 2019 到 2020,Apache Dubbo 年度回顾与总结">
 <meta itemprop=description content="通过这篇文章我们将:总结过去一年 Dubbo 社区取得的成绩
 "><meta itemprop=datePublished content="2020-05-11T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="从 2019 到 2020,Apache Dubbo 年度回顾与总结">
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index d7c213a..30c219a 100644
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+++ "b/zh/blog/2020/05/18/2.7.5-\345\212\237\350\203\275\350\247\243\346\236\220/index.html"
@@ -20,11 +20,11 @@
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="2.7.5 功能解析">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="2.7.5 功能解析">
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index 0326dd2..c58601c 100644
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="过往版本">
 <meta itemprop=description content="本文将向你介绍如何点击了解各版本详情和升级注意事项。
 "><meta itemprop=datePublished content="2020-05-18T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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diff --git "a/zh/blog/2020/12/22/dubbo-api-docs-apache-dubbo\346\226\207\346\241\243\345\261\225\347\244\272\346\265\213\350\257\225\345\267\245\345\205\267/index.html" "b/zh/blog/2020/12/22/dubbo-api-docs-apache-dubbo\346\226\207\346\241\243\345\261\225\347\244\272\346\265\213\350\257\225\345\267\245\345\205\267/index.html"
index 5031e5f..ca74581 100644
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+++ "b/zh/blog/2020/12/22/dubbo-api-docs-apache-dubbo\346\226\207\346\241\243\345\261\225\347\244\272\346\265\213\350\257\225\345\267\245\345\205\267/index.html"
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index fc03409..397276e 100644
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index d7ccdc5..d131a67 100644
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+++ "b/zh/blog/2021/01/15/dubbogo-3.0\347\211\265\346\211\213-grpc-\350\265\260\345\220\221\344\272\221\345\216\237\347\224\237\346\227\266\344\273\243/index.html"
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diff --git "a/zh/blog/2021/01/15/\345\210\206\345\270\203\345\274\217\344\272\213\345\212\241\346\241\206\346\236\266-seata-golang-\351\200\232\344\277\241\346\250\241\345\236\213\350\257\246\350\247\243/index.html" "b/zh/blog/2021/01/15/\345\210\206\345\270\203\345\274\217\344\272\213\345\212\241\346\241\206\346\236\266-seata-golang-\351\200\232\344\277\241\346\250\241\345\236\213\350\257\246\350\247\243/index.html"
index bef1769..d76e050 100644
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+++ "b/zh/blog/2021/01/15/\345\210\206\345\270\203\345\274\217\344\272\213\345\212\241\346\241\206\346\236\266-seata-golang-\351\200\232\344\277\241\346\250\241\345\236\213\350\257\246\350\247\243/index.html"
@@ -20,11 +20,11 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="分布式事务框架 seata-golang 通信模型详解">
 <meta itemprop=description content="本文介绍了 seata 的 go 语言客户端通信模型的实现
 "><meta itemprop=datePublished content="2021-01-15T00:00:00+00:00">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="分布式事务框架 seata-golang 通信模型详解">
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index a4e1a34..7a96aeb 100644
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+++ "b/zh/blog/2021/02/20/dubbo-go-\347\231\275\350\257\235\346\226\207/index.html"
@@ -20,11 +20,11 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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diff --git "a/zh/blog/2021/06/02/dubbo3-\345\272\224\347\224\250\347\272\247\346\234\215\345\212\241\345\217\221\347\216\260/index.html" "b/zh/blog/2021/06/02/dubbo3-\345\272\224\347\224\250\347\272\247\346\234\215\345\212\241\345\217\221\347\216\260/index.html"
index e0b3857..535ed68 100644
--- "a/zh/blog/2021/06/02/dubbo3-\345\272\224\347\224\250\347\272\247\346\234\215\345\212\241\345\217\221\347\216\260/index.html"
+++ "b/zh/blog/2021/06/02/dubbo3-\345\272\224\347\224\250\347\272\247\346\234\215\345\212\241\345\217\221\347\216\260/index.html"
@@ -20,11 +20,11 @@
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 <meta name=twitter:title content="Dubbo3 应用级服务发现">
diff --git "a/zh/blog/2021/07/02/3.0.1-\345\217\221\347\211\210\345\205\254\345\221\212/index.html" "b/zh/blog/2021/07/02/3.0.1-\345\217\221\347\211\210\345\205\254\345\221\212/index.html"
index da01b62..1976ffe 100644
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diff --git "a/zh/blog/2021/08/23/3.0.2.1-\345\217\221\347\211\210\345\205\254\345\221\212/index.html" "b/zh/blog/2021/08/23/3.0.2.1-\345\217\221\347\211\210\345\205\254\345\221\212/index.html"
index eaa091f..620f0c6 100644
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+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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diff --git a/zh/contribution-guidelines/committer/apache-dubbo-page_dev/index.html b/zh/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
index d72bf12..a41cfe6 100644
--- a/zh/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
+++ b/zh/contribution-guidelines/committer/apache-dubbo-page_dev/index.html
@@ -29,7 +29,7 @@
  http://incubator.apache.org/guides/website.html https://svn.apache.org/repos/asf/incubator/public/trunk/README.txt  ">
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 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/committer/apache-dubbo-page_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="官方 Dubbo 主页的维护">
 <meta itemprop=description content="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 https://incubator.apache.org/projects/dubbo.html。
 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。
@@ -43,7 +43,7 @@
 6.用 SVN 的 commit 命令将 dubbo.xml 文件提交到服务器,并且不要提交 dubbo.html 文件(因为服务器端会定时自动构建)。 此过程会要求输入Apache id和密码。
 参考:
  http://incubator.apache.org/guides/website.html https://svn.apache.org/repos/asf/incubator/public/trunk/README.txt  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="60">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="官方 Dubbo 主页的维护">
@@ -229,7 +229,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/committer/index.html b/zh/contribution-guidelines/committer/index.html
index bad7b1e..049f677 100644
--- a/zh/contribution-guidelines/committer/index.html
+++ b/zh/contribution-guidelines/committer/index.html
@@ -207,7 +207,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/committer/label-an-issue-guide_dev/index.html b/zh/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
index 9864f78..da0496b 100644
--- a/zh/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
+++ b/zh/contribution-guidelines/committer/label-an-issue-guide_dev/index.html
@@ -21,13 +21,13 @@
  请求帮助  help wanted good first issue   优先级  priority/blocker priority/high priority/low priority/normal   状态  status/need-triage status/DO-NOT-MERGE status/READY-TO-MERGE status/invalid status/wontfix   类型  type/bug type/documentation type/enhancement type/feature    ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/committer/label-an-issue-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="给问题打标签">
 <meta itemprop=description content="如果您正在处理一个问题,请记得给这个问题标记一个或者多个您认为有意义的标签。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。
 对于需要编码和发版修复的 issues 和 pull requests,需要您将其标记为 milestone。
 一些常用的标签:
  请求帮助  help wanted good first issue   优先级  priority/blocker priority/high priority/low priority/normal   状态  status/need-triage status/DO-NOT-MERGE status/READY-TO-MERGE status/invalid status/wontfix   类型  type/bug type/documentation type/enhancement type/feature    ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="30">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="给问题打标签">
@@ -224,7 +224,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/committer/new-committer-guide_dev/index.html b/zh/contribution-guidelines/committer/new-committer-guide_dev/index.html
index ed706ad..dfce57d 100644
--- a/zh/contribution-guidelines/committer/new-committer-guide_dev/index.html
+++ b/zh/contribution-guidelines/committer/new-committer-guide_dev/index.html
@@ -23,7 +23,7 @@
 三、加入apache开发者组  登陆 Apache 账户工具,在登陆页面点击&#34;忘记密码&#34;设置始化密码,会有一封密码重置邮件发送到 forward 邮箱(在孵化项目提案中提交的开发者邮件) 关于 apache 邮箱:apache.org 邮箱并没有自己的邮件内容存储服务器。它需要借用其他邮件提供商的邮件内容存储、分发功能。在很多投票环节是建议使用 apache 邮箱的。 这里就有一个问题,怎么在其它邮箱里面配置 apache.org 邮箱转发功能:  收件箱:收取发送到 apache.org 的邮件。这个在第一步配置好 Apache 账户工具的 forward 邮箱就可以用 forward 邮箱收取邮件了 发件箱:将发出的邮件显示发件邮箱为 apache.org 邮箱。请参考:设置 apache 邮箱指南和gmail 邮箱设置方式。 其他邮箱服务的设置方式不方便找到,gmail 的最方便,建议换成 gmail 邮箱(不是广告)。   修改编辑页面的 homepage url�
 ��apache 提交者列表页中你的账户能加主页链接。 修改编辑页面的 github  [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/committer/new-committer-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="Apache 提交者注册流程">
 <meta itemprop=description content="一、Apache 提交者的产生 项目孵化初始化提交者 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。可以参看孵化器 wiki
 活跃的贡献者被选举为提交者 在后期的开发过程中,活跃的贡献者可以被选举为提交者。见如何成为 committer
@@ -31,7 +31,7 @@
 2、个人提交者授权协议(ICLA): 下载ICLA 模板,查找可用的 id。将 icla.pdf 个人信息填写正确后打印,签名、扫描、并当做附件发送邮件给秘书 secretary@apache.org,秘书会帮忙创建 apache 用户 id。同时会创建一个 your_id@apache.org 的邮箱,可以在apache 提交者列表页查看查找用户是否已经创建。
 3、导师帮助提交用户id创建请求 导师将帮助提交 apache 账户创建请求给 root 邮件组,会有人帮助建立 id。一般需要2天时间账户会建立,请等待并在apache 提交者列表页查看查找用户是否已经创建。
 三、加入apache开发者组  登陆 Apache 账户工具,在登陆页面点击&#34;忘记密码&#34;设置始化密码,会有一封密码重置邮件发送到 forward 邮箱(在孵化项目提案中提交的开发者邮件) 关于 apache 邮箱:apache.org 邮箱并没有自己的邮件内容存储服务器。它需要借用其他邮件提供商的邮件内容存储、分发功能。在很多投票环节是建议使用 apache 邮箱的。 这里就有一个问题,怎么在其它邮箱里面配置 apache.org 邮箱转发功能:  收件箱:收取发送到 apache.org 的邮件。这个在第一步配置好 Apache 账户工具的 forward 邮箱就可以用 forward 邮箱收取邮件了 发件箱:将发出的邮件显示发件邮箱为 apache.org 邮箱。请参考:设置 apache 邮箱指南和gmail 邮箱设置方式。 其他邮箱服务的设置方式不方便找到,gmail 的最方便,建议换成 gmail 邮箱(不是广告)。   修改编辑页面的 homepage url�
 ��apache 提交者列表页中你的账户能加主页链接。 修改编辑页面的 github  [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="213">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="Apache 提交者注册流程">
@@ -300,7 +300,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/committer/release-guide_dev/index.html b/zh/contribution-guidelines/committer/release-guide_dev/index.html
index c0683eb..1575aec 100644
--- a/zh/contribution-guidelines/committer/release-guide_dev/index.html
+++ b/zh/contribution-guidelines/committer/release-guide_dev/index.html
@@ -23,7 +23,7 @@ $ brew install gpg $ gpg --version #检查版本,应该为2.x 用gpg生成key
 $ gpg --full-gen-key gpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc. This is free software: you are free to change and redistribute it.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/committer/release-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="如何准备 Apache Release">
 <meta itemprop=description content="理解 Apache 发布的内容和流程 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。
 请参考以下链接,找到更多关于 ASF 的发布指南:
@@ -31,7 +31,7 @@ $ gpg --full-gen-key gpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Founda
 安装GPG 详细文档请参见这里, Mac OS 下配置如下
 $ brew install gpg $ gpg --version #检查版本,应该为2.x 用gpg生成key 根据提示,生成 key
 $ gpg --full-gen-key gpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc. This is free software: you are free to change and redistribute it.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="1212">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="如何准备 Apache Release">
@@ -586,7 +586,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/committer/website-guide_dev/index.html b/zh/contribution-guidelines/committer/website-guide_dev/index.html
index 1ea878e..4dc8306 100644
--- a/zh/contribution-guidelines/committer/website-guide_dev/index.html
+++ b/zh/contribution-guidelines/committer/website-guide_dev/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content=" Apache Dubbo 的网站仓库是 https://github.com/apache/dubbo-website 网站构建完毕后,它会被自动发布到 dubbo.apache.org,您也可以通过 https://selfserve.apache.org 手动触发(需要使用 Apache 账号登陆)  ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/committer/website-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="网站向导">
 <meta itemprop=description content=" Apache Dubbo 的网站仓库是 https://github.com/apache/dubbo-website 网站构建完毕后,它会被自动发布到 dubbo.apache.org,您也可以通过 https://selfserve.apache.org 手动触发(需要使用 Apache 账号登陆)  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="10">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="网站向导">
@@ -183,7 +183,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/contributor/become-a-committer_dev/index.html b/zh/contribution-guidelines/contributor/become-a-committer_dev/index.html
index 0a39a8e..0b92e19 100644
--- a/zh/contribution-guidelines/contributor/become-a-committer_dev/index.html
+++ b/zh/contribution-guidelines/contributor/become-a-committer_dev/index.html
@@ -23,7 +23,7 @@
 我可以贡献什么? 请参阅新的贡献者指南。">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/become-a-committer_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="如何成为 Dubbo Committer">
 <meta itemprop=description content="每个人都可以成为 Apache 项目的贡献者。作为一个贡献者只是意味着你对项目感兴趣并以某种方式做出贡献,从提出合理的问题(这些问题记录了项目并向开发人员提供反馈)到提供新的特性作为补丁。
 如果你成为对一个项目有价值的贡献者,你有可能被邀请成为一个 committer。committer 是 ASF(Apache软件基金会)中用来表示提交特定项目的人的术语。它给你带来对项目仓库和资源写的权限。
@@ -31,7 +31,7 @@
 当您不熟悉ASF使用的开源的开发过程时,有时难以理解的一点,就是我们更重视社区而不是代码。一个强大而健康的社区将受到尊重,成为一个有趣和有益的地方。更重要的是,一个多元化和健康的社区可以长时间的持续支持代码,即使个别公司在这个领域来来往往,也是如此。
 更多详细信息可以在这里找到。
 我可以贡献什么? 请参阅新的贡献者指南。">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="16">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="如何成为 Dubbo Committer">
@@ -201,7 +201,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/contributor/cla-signing-guide_dev/index.html b/zh/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
index 738c42d..ceca7bf 100644
--- a/zh/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
+++ b/zh/contribution-guidelines/contributor/cla-signing-guide_dev/index.html
@@ -19,11 +19,11 @@
  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。 您已经为 Dubbo 作出了很多贡献,并且您被邀请成为 Dubbo 提交者,且之前没有签署过 Alibaba-CLA 或者 Apache ICLA。  步骤  下载这篇 pdf 文档 编辑该文档,在必要的空格处填上适当的内容 打印 在打印好的文件上签字 扫描 发送一封邮件到secretary@apache.org,并抄送给private@dubbo.apache.org:  邮件标题为“ICLA submission” 请在邮件正文附上您的github账号链接 请记得将您的ICLA文档放入邮件的附件里    空格填写必要说明  Mailing address:首选英文格式的公司地址 preferred apache id(s):如果您被邀请成为一名提交者,那么需要您填写一个apache账号,否则,可以不填 notify project:Dubbo(意思就是Dubbo就是通知您签署ICLA的项目)  ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/cla-signing-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="CLA 签署向导">
 <meta itemprop=description content="以下情况,需要您签署 Apache ICLA:
  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。 您已经为 Dubbo 作出了很多贡献,并且您被邀请成为 Dubbo 提交者,且之前没有签署过 Alibaba-CLA 或者 Apache ICLA。  步骤  下载这篇 pdf 文档 编辑该文档,在必要的空格处填上适当的内容 打印 在打印好的文件上签字 扫描 发送一封邮件到secretary@apache.org,并抄送给private@dubbo.apache.org:  邮件标题为“ICLA submission” 请在邮件正文附上您的github账号链接 请记得将您的ICLA文档放入邮件的附件里    空格填写必要说明  Mailing address:首选英文格式的公司地址 preferred apache id(s):如果您被邀请成为一名提交者,那么需要您填写一个apache账号,否则,可以不填 notify project:Dubbo(意思就是Dubbo就是通知您签署ICLA的项目)  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="41">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="CLA 签署向导">
@@ -218,7 +218,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
 </div>
 </main>
diff --git a/zh/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html b/zh/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
index 37787ea..ff59543 100644
--- a/zh/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
+++ b/zh/contribution-guidelines/contributor/dubbo-extension-guide_dev/index.html
@@ -22,14 +22,14 @@ Dubbo 生态系统 我们建议您将扩展加入到 Dubbo 生态系统。使用
  良好的测试,您需要编写单元测试和冒烟测试以消除潜在的 bug。 没有警告,如有不可避免的警告,请使用 @SuppressWarnings 阻止它,但是请不要乱用。 README。添加必要的自述以说明如何使用扩展,以及需要注意的事项。 许可证:请确保使用Apache License 2.0。  通知社区  提交您的代码到 github。 加入邮件列表(建议)。点击这里查看如何加入邮件列表。 发送一封邮件到 dev@incubator.dubbo.apache.org 通知社区。 通常,发送邮件之后,社区会对您的扩展进行讨论,dubbo 组的管理员会联系您转移您的项目到 dubbo 生态系统。  转移项目到dubbo生态系统  dubbo 组的管理员会请您将您的项目的所有者转让给 dubbo。 dubbo 组的管理员会在 dubbo 组下新建一个项目并邀请您加入到这个项目。 一旦您接受邀请,您可以将您的项目转移到 dubbo 组下的新项目里。 dubbo 组的成员会对
 您的项目进行代码审查。随后,您可以对这些代码进行改进。  ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/dubbo-extension-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="扩展 Dubbo 向导">
 <meta itemprop=description content="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。
 Dubbo 生态系统 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。
 依赖 要实现您自己的 Dubbo 扩展,通常只需依赖 API jar 就可以满足您的需求。例如:
 <dependency> <groupId>org.apache.dubbo</groupId> <artifactId>dubbo-serialization-api</artifactId> <version>${dubbo.version}</version> </dependency> Src指导 通常,要实现特殊的扩展,只需要参考开发者指南,实现Dubbo必要的接口和合适的扩展即可。除此之外,还有一些其它的事项需要注意:
  良好的测试,您需要编写单元测试和冒烟测试以消除潜在的 bug。 没有警告,如有不可避免的警告,请使用 @SuppressWarnings 阻止它,但是请不要乱用。 README。添加必要的自述以说明如何使用扩展,以及需要注意的事项。 许可证:请确保使用Apache License 2.0。  通知社区  提交您的代码到 github。 加入邮件列表(建议)。点击这里查看如何加入邮件列表。 发送一封邮件到 dev@incubator.dubbo.apache.org 通知社区。 通常,发送邮件之后,社区会对您的扩展进行讨论,dubbo 组的管理员会联系您转移您的项目到 dubbo 生态系统。  转移项目到dubbo生态系统  dubbo 组的管理员会请您将您的项目的所有者转让给 dubbo。 dubbo 组的管理员会在 dubbo 组下新建一个项目并邀请您加入到这个项目。 一旦您接受邀请,您可以将您的项目转移到 dubbo 组下的新项目里。 dubbo 组的成员会对
 您的项目进行代码审查。随后,您可以对这些代码进行改进。  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="扩展 Dubbo 向导">
@@ -236,7 +236,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/index.html b/zh/contribution-guidelines/contributor/index.html
index b1b596c..967999a 100644
--- a/zh/contribution-guidelines/contributor/index.html
+++ b/zh/contribution-guidelines/contributor/index.html
@@ -225,7 +225,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html b/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html
index e97d399..4ea812e 100644
--- a/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/index.html
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@@ -21,13 +21,13 @@
  发一封邮件到 dev-subscribe@dubbo.apache.org,其内容和标题均可为空。随后,您会收到一封邮件,其内容如下:  from: dev-help@dubbo.apache.org reply-to: dev-sc.xxxxxxx.xxxxxxxx-hello=example.com@dubbo.apache.org to: hello@example.com date: Sat, Feb 24, 2018 at 3:12 PM subject: confirm subscribe to dev@dubbo.apache.org mailed-by: apache.org Hi! This is the ezmlm program. I'm managing the dev@dubbo.apache.org mailing list. I'm working for my owner, who can be reached at dev-owner@dubbo.apache.org. To confirm that you would like h [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="邮件列表订阅向导">
 <meta itemprop=description content="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。
 你也可以直接查看历史邮件
 下面是一个关于 Dubbo 邮件列表订阅的简短指南:
  发一封邮件到 dev-subscribe@dubbo.apache.org,其内容和标题均可为空。随后,您会收到一封邮件,其内容如下:  from: dev-help@dubbo.apache.org reply-to: dev-sc.xxxxxxx.xxxxxxxx-hello=example.com@dubbo.apache.org to: hello@example.com date: Sat, Feb 24, 2018 at 3:12 PM subject: confirm subscribe to dev@dubbo.apache.org mailed-by: apache.org Hi! This is the ezmlm program. I'm managing the dev@dubbo.apache.org mailing list. I'm working for my owner, who can be reached at dev-owner@dubbo.apache.org. To confirm that you would like h [...]
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=wordCount content="200">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="邮件列表订阅向导">
@@ -261,7 +261,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/new-contributor-guide_dev/index.html b/zh/contribution-guidelines/contributor/new-contributor-guide_dev/index.html
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+++ b/zh/contribution-guidelines/contributor/new-contributor-guide_dev/index.html
@@ -23,7 +23,7 @@
 1. fork Apache/Dubbo 项目到您的github帐号下 2. 克隆您fork的Dubbo代码仓库到您本地 git clone ${your fork dubbo repo address,for example:https://github.com/${your github id}/dubbo.git} cd dubbo 3. 添加Apache/Dubbo仓库为upstream仓库 git remote add upstream https://github.">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/new-contributor-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="新贡献者向导">
 <meta itemprop=description content="这篇向导旨在给正在准备向 Dubbo 提交贡献的新手提供指导。
 邮件列表描述 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 issue 了解更多关于邮件列表订阅的内容
@@ -31,7 +31,7 @@
  dev@dubbo.apache.org:开发邮件列表,您在使用或者开发 Dubbo 的过程中遇到的任何问题,都可以在这里进行提问。 commits@dubbo.apache.org:所有的提交内容都会推送到这个邮件列表,如果您对 Dubbo 的进展感兴趣,可以订阅这个邮件列表。 issues@dubbo.apache.org:所有的 JIRA issues 和修改信息都会推送到这个邮件列表。Dubbo 社区已经决定使用 github issues 代替 JIRA issues,因此大部分 issues 将由 github issues 进行跟踪。JIRA issues 用于跟踪 ASF 相关问题。  报告问题 贡献代码 贡献流程 此贡献流程适用于所有的Apache Dubbo社区内容,包括但不限于dubbo(主干仓库)、dubbo admin、dubbo website。
 以下以贡献dubbo(主干仓库)为例,详细说明贡献流程。
 1. fork Apache/Dubbo 项目到您的github帐号下 2. 克隆您fork的Dubbo代码仓库到您本地 git clone ${your fork dubbo repo address,for example:https://github.com/${your github id}/dubbo.git} cd dubbo 3. 添加Apache/Dubbo仓库为upstream仓库 git remote add upstream https://github.">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="新贡献者向导">
@@ -306,7 +306,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/reporting-security-issues_dev/index.html b/zh/contribution-guidelines/contributor/reporting-security-issues_dev/index.html
index 0fa9ae4..b6302d9 100644
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@@ -22,14 +22,14 @@
  报告者将漏洞秘密报告给 Apache。 相应项目的安全团队与报告者私下合作来解决漏洞。 制作了包含该修复程序的有关 Apache 产品的新版本。 该漏洞已公开宣布。  有关此过程的详细说明,请参见此处">
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 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/reporting-security-issues_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="报告安全问题">
 <meta itemprop=description content="Apache Software Foundation 在消除其软件项目中的安全性问题方面采取严格的立场。Apache Dubbo 对与其功能和特性有关的问题非常敏感并很快提出。
 报告漏洞 如果您对 Dubbo 的安全性有担心,或者发现漏洞或潜在威胁,请发送电子邮件至 security@dubbo.apache.org 与 Apache Dubbo 安全团队联系。在邮件中,指定问题或潜在威胁的描述。还敦促您推荐重现和复制问题的方法。Dubbo 社区会在评估和分析调查结果之后与您联系。
 请先注意在安全电子邮件中报告安全问题,然后再在公共领域公开该问题。
 漏洞处理 漏洞处理过程的概述是:
  报告者将漏洞秘密报告给 Apache。 相应项目的安全团队与报告者私下合作来解决漏洞。 制作了包含该修复程序的有关 Apache 产品的新版本。 该漏洞已公开宣布。  有关此过程的详细说明,请参见此处">
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 <meta name=twitter:title content="报告安全问题">
@@ -204,7 +204,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/software-donation-guide_dev/index.html b/zh/contribution-guidelines/contributor/software-donation-guide_dev/index.html
index 1141a05..2cb1117 100644
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@@ -21,13 +21,13 @@
 License Agreement This License Agreement is entered into as of the _12th_ day of ___April____, __2018__ by ___ABC Software Co., Ltd.____ (&#34;Licensor&#34;), in favor of The Apache Software Foundation, a Delaware nonstock membership corporation (the &#34;Foundation&#34;). WHEREAS, Licensor owns or has sufficient rights to contribute the software source code and other related intellectual property as itemized on Exhibit A (&#34;Software&#34;) under the terms of this agreement to the Foun [...]
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/software-donation-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="软件捐献向导">
 <meta itemprop=description content="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。
 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软件授权书。
 操作步骤  下载这篇pdf文档 打印下载好的文档 按要求填充表格(请看下边示例) 请您的领导在上边签字 扫描 将扫描好的文档以邮件的方式发送给secretary@apache.org,并抄送给private@dubbo.apache.org  示例 下边是一个文本示例,原始文本可以在这里找到
 License Agreement This License Agreement is entered into as of the _12th_ day of ___April____, __2018__ by ___ABC Software Co., Ltd.____ (&#34;Licensor&#34;), in favor of The Apache Software Foundation, a Delaware nonstock membership corporation (the &#34;Foundation&#34;). WHEREAS, Licensor owns or has sufficient rights to contribute the software source code and other related intellectual property as itemized on Exhibit A (&#34;Software&#34;) under the terms of this agreement to the Foun [...]
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="软件捐献向导">
@@ -287,7 +287,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/contributor/test-coverage-guide_dev/index.html b/zh/contribution-guidelines/contributor/test-coverage-guide_dev/index.html
index 241eff7..9879a25 100644
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@@ -18,10 +18,10 @@
 <meta property="og:description" content="写单元测试的收益  单元测试能帮助每个人深入代码细节,了解代码的功能。 通过测试用例我们能发现bug,并提交代码的健壮性。 测试用例同时也是代码的demo用法。  单元测试用例的一些设计原则  应该精心设计好步骤,颗粒度和组合条件。 注意边界条件。 单元测试也应该好好设计,不要写无用的代码。 当你发现一个方法很难写单元测试时,如果可以确认这个方法是臭代码,那么就和开发者一起重构它。 Dubbo中用的mock框架是: mockito. 下面是一些开发向导:mockito tutorial,mockito refcard TDD(可选):当你开始写一个新的功能时,你可以试着先写测试用例。  测试覆盖率设定值  在现阶段,Delta更改代码的测试覆盖设定值为:>=60%,越高越好。 我们可以在这个页面中看到测试报告: https://codecov.io/gh/apache/dubbo  ">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/contribution-guidelines/contributor/test-coverage-guide_dev/"><meta property="article:section" content="contribution-guidelines">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="测试覆盖率向导">
 <meta itemprop=description content="写单元测试的收益  单元测试能帮助每个人深入代码细节,了解代码的功能。 通过测试用例我们能发现bug,并提交代码的健壮性。 测试用例同时也是代码的demo用法。  单元测试用例的一些设计原则  应该精心设计好步骤,颗粒度和组合条件。 注意边界条件。 单元测试也应该好好设计,不要写无用的代码。 当你发现一个方法很难写单元测试时,如果可以确认这个方法是臭代码,那么就和开发者一起重构它。 Dubbo中用的mock框架是: mockito. 下面是一些开发向导:mockito tutorial,mockito refcard TDD(可选):当你开始写一个新的功能时,你可以试着先写测试用例。  测试覆盖率设定值  在现阶段,Delta更改代码的测试覆盖设定值为:>=60%,越高越好。 我们可以在这个页面中看到测试报告: https://codecov.io/gh/apache/dubbo  ">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="测试覆盖率向导">
@@ -210,7 +210,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/contribution-guidelines/index.html b/zh/contribution-guidelines/index.html
index 4dd4412..e096e26 100644
--- a/zh/contribution-guidelines/index.html
+++ b/zh/contribution-guidelines/index.html
@@ -275,7 +275,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/accesslog/index.html b/zh/docs/advanced/accesslog/index.html
index eb8c699..241c53a 100644
--- a/zh/docs/advanced/accesslog/index.html
+++ b/zh/docs/advanced/accesslog/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="配置 Dubbo 的访问日志">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/accesslog/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="访问日志">
 <meta itemprop=description content="配置 Dubbo 的访问日志">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="访问日志">
@@ -494,7 +494,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/async-call/index.html b/zh/docs/advanced/async-call/index.html
index 1ac4f6e..f7e4c00 100644
--- a/zh/docs/advanced/async-call/index.html
+++ b/zh/docs/advanced/async-call/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在 Dubbo 中发起异步调用">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/async-call/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="异步调用">
 <meta itemprop=description content="在 Dubbo 中发起异步调用">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="212">
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 <meta name=twitter:title content="异步调用">
@@ -585,7 +585,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/async-execute-on-provider/index.html b/zh/docs/advanced/async-execute-on-provider/index.html
index 281ac9f..7b269f7 100644
--- a/zh/docs/advanced/async-execute-on-provider/index.html
+++ b/zh/docs/advanced/async-execute-on-provider/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 服务提供方的异步执行">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/async-execute-on-provider/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="异步执行">
 <meta itemprop=description content="Dubbo 服务提供方的异步执行">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="异步执行">
@@ -556,7 +556,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/attachment/index.html b/zh/docs/advanced/attachment/index.html
index be91bc4..79a87bd 100644
--- a/zh/docs/advanced/attachment/index.html
+++ b/zh/docs/advanced/attachment/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="通过 Dubbo 中的 Attachment 在服务消费方和提供方之间隐式传递参数">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/attachment/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="隐式参数">
 <meta itemprop=description content="通过 Dubbo 中的 Attachment 在服务消费方和提供方之间隐式传递参数">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="隐式参数">
@@ -508,7 +508,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/auth/index.html b/zh/docs/advanced/auth/index.html
index f64f3dc..88af81d 100644
--- a/zh/docs/advanced/auth/index.html
+++ b/zh/docs/advanced/auth/index.html
@@ -25,7 +25,7 @@
   该方案目前已经提交给Dubbo开源社区,并且完成了基本框架的合并,除了AK/SK的鉴权方式之外,通过SPI机制支持用户可定制化的鉴权认证以及适配公司内部基础设施的密钥存储。">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/auth/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content>
 <meta itemprop=description content="服务鉴权 类似支付之类的对安全性敏感的业务可能会有限制匿名调用的需求。在加固安全性方面,2.7.5 引入了基于AK/SK机制的认证鉴权机制,并且引入了鉴权服务中心,主要原理是消费端在请求需要鉴权的服务时,会通过SK、请求元数据、时间戳、参数等信息来生成对应的请求签名,通过Dubbo的Attahcment机制携带到对端进行验签,验签通过才进行业务逻辑处理。如下图所示:
 具体的接入方式也并不复杂:
@@ -35,7 +35,7 @@
 服务提供端,只需要设置service.auth为true,表示该服务的调用需要鉴权认证通过。param.sign为true表示需要对参数也进行校验。
 @Service(parameters = {&#34;service.auth&#34;,&#34;true&#34;,&#34;param.sign&#34;,&#34;true&#34;}) public class AuthDemoServiceImpl implements AuthService { } 服务消费端,只需要配置好对应的证书等信息即可,之后会自动地在对这些需要认证的接口发起调用前进行签名操作,通过与鉴权服务的交互,用户无需在代码中配置AK/SK这些敏感信息,并且在不重启应用的情况下刷新AK/SK,达到权限动态下发的目的。
   该方案目前已经提交给Dubbo开源社区,并且完成了基本框架的合并,除了AK/SK的鉴权方式之外,通过SPI机制支持用户可定制化的鉴权认证以及适配公司内部基础设施的密钥存储。">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -530,7 +530,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/callback-parameter/index.html b/zh/docs/advanced/callback-parameter/index.html
index b1af2fc..8456268 100644
--- a/zh/docs/advanced/callback-parameter/index.html
+++ b/zh/docs/advanced/callback-parameter/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="通过参数回调从服务器端调用客户端逻辑">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/callback-parameter/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="参数回调">
 <meta itemprop=description content="通过参数回调从服务器端调用客户端逻辑">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta name=twitter:title content="参数回调">
@@ -576,7 +576,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/concurrency-control/index.html b/zh/docs/advanced/concurrency-control/index.html
index 6d3a44e..98d6892 100644
--- a/zh/docs/advanced/concurrency-control/index.html
+++ b/zh/docs/advanced/concurrency-control/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 中的并发控制">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/concurrency-control/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="并发控制">
 <meta itemprop=description content="Dubbo 中的并发控制">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -531,7 +531,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/config-connections/index.html b/zh/docs/advanced/config-connections/index.html
index 4a684d4..8f00662 100644
--- a/zh/docs/advanced/config-connections/index.html
+++ b/zh/docs/advanced/config-connections/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 中服务端和客户端的连接控制">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/config-connections/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="连接控制">
 <meta itemprop=description content="Dubbo 中服务端和客户端的连接控制">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="连接控制">
@@ -510,7 +510,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/config-rule-deprecated/index.html b/zh/docs/advanced/config-rule-deprecated/index.html
index 546884f..15b3593 100644
--- a/zh/docs/advanced/config-rule-deprecated/index.html
+++ b/zh/docs/advanced/config-rule-deprecated/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="旧配置规则">
 <meta itemprop=description content="Dubbo 中旧版本的规则配置方式">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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@@ -526,7 +526,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/config-rule/index.html b/zh/docs/advanced/config-rule/index.html
index f27cbb0..c5a6855 100644
--- a/zh/docs/advanced/config-rule/index.html
+++ b/zh/docs/advanced/config-rule/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/config-rule/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="配置规则">
 <meta itemprop=description content="在 Dubbo 中配置应用级治理规则和服务级治理规则">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="227">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -653,7 +653,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/consumer-threadpool/index.html b/zh/docs/advanced/consumer-threadpool/index.html
index 3ad37c8..e1633f1 100644
--- a/zh/docs/advanced/consumer-threadpool/index.html
+++ b/zh/docs/advanced/consumer-threadpool/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/consumer-threadpool/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="消费端线程池模型">
 <meta itemprop=description content="Dubbo 消费端线程池模型用法">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="消费端线程池模型">
@@ -516,7 +516,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/context/index.html b/zh/docs/advanced/context/index.html
index b7da1b6..570708a 100644
--- a/zh/docs/advanced/context/index.html
+++ b/zh/docs/advanced/context/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="通过上下文存放当前调用过程中所需的环境信息">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/context/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="上下文信息">
 <meta itemprop=description content="通过上下文存放当前调用过程中所需的环境信息">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="104">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="上下文信息">
@@ -518,7 +518,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/delay-publish/index.html b/zh/docs/advanced/delay-publish/index.html
index f61283f..c631290 100644
--- a/zh/docs/advanced/delay-publish/index.html
+++ b/zh/docs/advanced/delay-publish/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="延迟暴露 Dubbo 服务">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/delay-publish/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="延迟暴露">
 <meta itemprop=description content="延迟暴露 Dubbo 服务">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="124">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="延迟暴露">
@@ -540,7 +540,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/distributed-transaction/index.html b/zh/docs/advanced/distributed-transaction/index.html
index 56d4243..7b848fc 100644
--- a/zh/docs/advanced/distributed-transaction/index.html
+++ b/zh/docs/advanced/distributed-transaction/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 中分布式事务的支持">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/distributed-transaction/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="分布式事务">
 <meta itemprop=description content="Dubbo 中分布式事务的支持">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="分布式事务">
@@ -492,7 +492,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/dump/index.html b/zh/docs/advanced/dump/index.html
index 58a17f8..e0473ce 100644
--- a/zh/docs/advanced/dump/index.html
+++ b/zh/docs/advanced/dump/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在 Dubbo 自动导出线程堆栈来保留现场">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/dump/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="导出线程堆栈">
 <meta itemprop=description content="在 Dubbo 自动导出线程堆栈来保留现场">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="导出线程堆栈">
@@ -501,7 +501,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/echo-service/index.html b/zh/docs/advanced/echo-service/index.html
index 956f220..e72c8f4 100644
--- a/zh/docs/advanced/echo-service/index.html
+++ b/zh/docs/advanced/echo-service/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="通过回声测试检测 Dubbo 服务是否可用">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/echo-service/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="回声测试">
 <meta itemprop=description content="通过回声测试检测 Dubbo 服务是否可用">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="32">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="回声测试">
@@ -503,7 +503,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/events-notify/index.html b/zh/docs/advanced/events-notify/index.html
index ad4d460..94fbfa2 100644
--- a/zh/docs/advanced/events-notify/index.html
+++ b/zh/docs/advanced/events-notify/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在调用之前、调用之后、出现异常时的事件通知">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/events-notify/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="事件通知">
 <meta itemprop=description content="在调用之前、调用之后、出现异常时的事件通知">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="203">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="事件通知">
@@ -560,7 +560,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
 <br>
-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
 </div>
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diff --git a/zh/docs/advanced/explicit-target/index.html b/zh/docs/advanced/explicit-target/index.html
index 74e58af..47bc21d 100644
--- a/zh/docs/advanced/explicit-target/index.html
+++ b/zh/docs/advanced/explicit-target/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 中点对点的直连方式">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/explicit-target/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="直连提供者">
 <meta itemprop=description content="Dubbo 中点对点的直连方式">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="58">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="直连提供者">
@@ -527,7 +527,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/fault-tolerent-strategy/index.html b/zh/docs/advanced/fault-tolerent-strategy/index.html
index d411ef9..4998de8 100644
--- a/zh/docs/advanced/fault-tolerent-strategy/index.html
+++ b/zh/docs/advanced/fault-tolerent-strategy/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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@@ -584,7 +584,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/generic-reference/index.html b/zh/docs/advanced/generic-reference/index.html
index 0caaa0a..e8e049f 100644
--- a/zh/docs/advanced/generic-reference/index.html
+++ b/zh/docs/advanced/generic-reference/index.html
@@ -18,10 +18,10 @@
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-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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 <meta itemprop=description content="实现一个通用的服务测试框架,可通过 `GenericService` 调用所有服务实现">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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@@ -565,7 +565,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/generic-service/index.html b/zh/docs/advanced/generic-service/index.html
index 140dc78..9885371 100644
--- a/zh/docs/advanced/generic-service/index.html
+++ b/zh/docs/advanced/generic-service/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/generic-service/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="实现泛化调用">
 <meta itemprop=description content="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">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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@@ -525,7 +525,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/graceful-shutdown/index.html b/zh/docs/advanced/graceful-shutdown/index.html
index 16e6cc3..f758399 100644
--- a/zh/docs/advanced/graceful-shutdown/index.html
+++ b/zh/docs/advanced/graceful-shutdown/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/graceful-shutdown/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="优雅停机">
 <meta itemprop=description content="让 Dubbo 服务完成优雅停机">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -511,7 +511,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/group-merger/index.html b/zh/docs/advanced/group-merger/index.html
index c96e328..4b12eb6 100644
--- a/zh/docs/advanced/group-merger/index.html
+++ b/zh/docs/advanced/group-merger/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/group-merger/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="分组聚合">
 <meta itemprop=description content="通过分组对结果进行聚合并返回聚合后的结果">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -520,7 +520,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/hostname-binding/index.html b/zh/docs/advanced/hostname-binding/index.html
index 2219267..c6a0b9e 100644
--- a/zh/docs/advanced/hostname-binding/index.html
+++ b/zh/docs/advanced/hostname-binding/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在 Dubbo 中绑定主机名">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/hostname-binding/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="主机绑定">
 <meta itemprop=description content="在 Dubbo 中绑定主机名">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="主机绑定">
@@ -568,7 +568,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/index.html b/zh/docs/advanced/index.html
index 34c282f..7b583bb 100644
--- a/zh/docs/advanced/index.html
+++ b/zh/docs/advanced/index.html
@@ -833,7 +833,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/lazy-connect/index.html b/zh/docs/advanced/lazy-connect/index.html
index 1f47b52..4764911 100644
--- a/zh/docs/advanced/lazy-connect/index.html
+++ b/zh/docs/advanced/lazy-connect/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在 Dubbo 中配置延迟连接">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/lazy-connect/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="延迟连接">
 <meta itemprop=description content="在 Dubbo 中配置延迟连接">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="9">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="延迟连接">
@@ -495,7 +495,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/loadbalance/index.html b/zh/docs/advanced/loadbalance/index.html
index 14d8c4d..b750ff8 100644
--- a/zh/docs/advanced/loadbalance/index.html
+++ b/zh/docs/advanced/loadbalance/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="Dubbo 提供的集群负载均衡策略">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/loadbalance/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="负载均衡">
 <meta itemprop=description content="Dubbo 提供的集群负载均衡策略">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="负载均衡">
@@ -655,7 +655,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/local-call/index.html b/zh/docs/advanced/local-call/index.html
index 672c0ce..d509d9d 100644
--- a/zh/docs/advanced/local-call/index.html
+++ b/zh/docs/advanced/local-call/index.html
@@ -18,10 +18,10 @@
 <meta property="og:description" content="在 Dubbo 中进行本地调用">
 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/local-call/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="本地调用">
 <meta itemprop=description content="在 Dubbo 中进行本地调用">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
+<meta itemprop=dateModified content="2021-09-07T09:54:01+08:00">
 <meta itemprop=wordCount content="58">
 <meta itemprop=keywords content><meta name=twitter:card content="summary">
 <meta name=twitter:title content="本地调用">
@@ -511,7 +511,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
 <script>const yesButton=document.querySelector('.feedback--answer-yes'),noButton=document.querySelector('.feedback--answer-no'),yesResponse=document.querySelector('.feedback--response-yes'),noResponse=document.querySelector('.feedback--response-no'),disableButtons=()=>{yesButton.disabled=!0,noButton.disabled=!0},sendFeedback=b=>{if(typeof ga!='function')return;const a={command:'send',hitType:'event',category:'Helpful',action:'click',label:window.location.pathname,value:b};ga(a.command,a. [...]
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-<div class="text-muted mt-5 pt-3 border-top">最后修改 September 6, 2021: <a href=/commit/aeb3389acd0ff70f3dedeb2805ad36edf0e1f39a>Add security docs (#938) (aeb3389)</a>
+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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index 08ecd7d..d3f453a 100644
--- a/zh/docs/advanced/local-mock/index.html
+++ b/zh/docs/advanced/local-mock/index.html
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 <meta itemprop=description content="如何在 Dubbo 中利用本地伪装实现服务降级">
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+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/local-stub/index.html b/zh/docs/advanced/local-stub/index.html
index 3d057d6..f11b622 100644
--- a/zh/docs/advanced/local-stub/index.html
+++ b/zh/docs/advanced/local-stub/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/local-stub/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
 <meta itemprop=name content="本地存根">
 <meta itemprop=description content="在 Dubbo 中利用本地存根在客户端执行部分逻辑">
-<meta itemprop=dateModified content="2021-09-06T10:38:02+08:00">
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 <meta itemprop=keywords content><meta name=twitter:card content="summary">
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@@ -525,7 +525,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
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+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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diff --git a/zh/docs/advanced/logger-strategy/index.html b/zh/docs/advanced/logger-strategy/index.html
index 6bc196d..5d8f35f 100644
--- a/zh/docs/advanced/logger-strategy/index.html
+++ b/zh/docs/advanced/logger-strategy/index.html
@@ -18,10 +18,10 @@
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 <meta property="og:type" content="article">
 <meta property="og:url" content="https://dubbo.apache.org/zh/docs/advanced/logger-strategy/"><meta property="article:section" content="docs">
-<meta property="article:modified_time" content="2021-09-06T10:38:02+08:00"><meta property="og:site_name" content="Apache Dubbo">
+<meta property="article:modified_time" content="2021-09-07T09:54:01+08:00"><meta property="og:site_name" content="Apache Dubbo">
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 <meta itemprop=description content="在 Dubbo 中适配日志框架">
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@@ -504,7 +504,7 @@ Sorry to hear that. Please <a href=https://github.com/apache/dubbo-website/issue
 </p>
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+<div class="text-muted mt-5 pt-3 border-top">最后修改 September 7, 2021: <a href=/commit/7af3bd7c72cece323f569ef6deb462dfb4534fa7>enhance protocol.md #922 (#923) (7af3bd7)</a>
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