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diff --git a/content/cn/faqs/faqs-huawei-cloud/index.html b/content/cn/faqs/faqs-huawei-cloud/index.html
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diff --git a/content/cn/index.html b/content/cn/index.html
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@@ -336,7 +336,7 @@
             <div class="archive__item-excerpt">
               <div class="excerpt-title">最新新闻</div>
 <style>left_ul li{width:100%} </style>
-<ul class="left_ul"> <li> <a href="/cn/release/java-chassis-downloads/">Apache ServiceComb Java-Chassis 发布 2.0.2</a> </li> <li> <a href="/cn/release/service-center-downloads/">Apache ServiceComb Service-Center 发布 1.3.0</a> </li> <li> <a href="/cn/release/pack-downloads">Apache ServiceComb Pack 发布0.5.0</a> </li> <li> <a href="/cn/release/toolkit-downloads">Apache ServiceComb Toolkit 发布0.2.0</a> </li> </ul>
+<ul class="left_ul"> <li> <a href="/cn/release/java-chassis-downloads/">Apache ServiceComb 社区 暑假coding 2020 活动</a> </li> <li> <a href="/cn/release/java-chassis-downloads/">Apache ServiceComb Java-Chassis 发布 2.0.2</a> </li> <li> <a href="/cn/release/service-center-downloads/">Apache ServiceComb Service-Center 发布 1.3.0</a> </li> <li> <a href="/cn/release/pack-downloads">Apache ServiceComb Pack 发布0.5.0</a> </li> <li> <a href="/cn/release/toolkit-downloads">Apache ServiceComb Toolkit 发布0.2.0</a> </li> </ul>
 <ul> <li> <a href="/cn/docs/servicecomb-accept-newcapec-institute-code-donation">Apache ServiceComb 社区接受新开普软件研究院的代码捐赠</a> </li> <li> <a href="/cn/docs/Apache-ServiceComb-Meetup-2019-Shanghai-KubeCon+CloudNative+OSS-Report">Apache ServiceComb 社区meetup及新品发布</a> </li> <li> <a href="">Apache ServiceComb 荣获中国开源云联盟组织的中国优秀开源项目一等奖</a> </li> <li> <a href="/cn/docs/chuanzhiboke-servicecomb-tutoria-release/">Apache ServiceComb 社区联合传智播客的黑马程序员、博学谷、传智汇子品牌发布微服务化教程</a> </li> <li> <a href="https://gitter.im/ServiceCombUsers/Lobby">欢迎加入 Apache ServiceComb 社区Gitter即时聊天室</a> </li> </ul>
 
             </div>
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+-->
+<html lang="en" class="no-js">
+  <head>
+    <meta charset="utf-8">
+
+<!-- begin SEO -->
+
+
+
+
+
+
+
+
+
+<title>暑期 2020 - Apache ServiceComb</title>
+
+
+
+
+<meta name="description" content="暑期2020">
+
+
+
+
+<meta name="author" content="">
+
+<meta property="og:locale" content="en">
+<meta property="og:site_name" content="Apache ServiceComb">
+<meta property="og:title" content="暑期 2020">
+
+
+  <link rel="canonical" href="https://github.com/pages/apache/incubator-servicecomb-website/cn/summer2020">
+  <meta property="og:url" content="https://github.com/pages/apache/incubator-servicecomb-website/cn/summer2020">
+
+
+
+  <meta property="og:description" content="暑期2020">
+
+
+
+  <meta name="twitter:site" content="@ServiceComb">
+  <meta name="twitter:title" content="暑期 2020">
+  <meta name="twitter:description" content="暑期2020">
+  <meta name="twitter:url" content="">
+
+  
+    <meta name="twitter:card" content="summary">
+    
+  
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+  
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+  
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+  
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+
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+<link href="/feed.xml" type="application/atom+xml" rel="alternate" title="Apache ServiceComb Feed">
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+<!-- http://t.co/dKP3o1e -->
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+<meta name="MobileOptimized" content="320">
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+  <body class="layout--single">
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+    <!--[if lt IE 9]>
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+              <ul id="childrenShow" class="def-children-show-en" onmouseleave="$('#childrenShow').css('display', 'none')">
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+                <li><a href="/docs/getting-started/" class="">Getting started</a></li>
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+                <li><a href="/docs/users/" class="">Docs</a></li>
+                
+                <li><a href="/slides/" class="">Video</a></li>
+                
+                <li><a href="/faqs/" class="">FAQ</a></li>
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+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
+                
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diff --git a/content/feed.xml b/content/feed.xml
index 8a164b8..a9a203c 100644
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 &lt;p&gt;本次讲座得到广东工业大学计算机院学生会同学们的鼎力支持和参与。报名通道开放后，报名人数迅速达到150+，活动放在学校报告厅举办。即便在周日，同学们的热情仍然很高，给广东工业大学的同学们点赞。&lt;/p&gt;
 
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index bd50e1d..d135a31 100644
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             <div class="archive__item-excerpt">
               <div class="excerpt-title">Latest News</div>
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+<ul class="left_ul"> <li> <a href="/summer2020">Apache ServiceComb Summer Code 2020</a> </li> <li> <a href="/release/java-chassis-downloads/">Apache ServiceComb Java-Chassis Release Version 2.0.2</a> </li> <li> <a href="/release/service-center-downloads/">Apache ServiceComb Service-Center Release Version 1.3.0</a> </li> <li> <a href="/release/pack-downloads">Apache ServiceComb Pack 0.5.0 is released</a> </li> <li> <a href="/release/toolkit-downloads">Apache ServiceComb Toolkit 0.2.0 is released</a> </li> </ul>
 <ul> <li> <a href="/docs/servicecomb-accept-newcapec-institute-code-donation">Apache ServiceComb  accept code donation from NewCapec Institute</a> </li> <li> <a href="/docs/Apache-ServiceComb-Meetup-2019-Shanghai-KubeCon+CloudNative+OSS-Report">Apache ServiceComb Meetup and new projects release</a> </li> <li> <a href="">Apache ServiceComb won the first prize of China's outstanding open source project organized by China Open Source Cloud Alliance</a> </li> <li> <a href="/docs/chuanzhiboke-servicecomb-tutoria-release/">Apache ServiceComb community joint Itcast.cn sub-brand Itheima, Boxuegu and Wisdom Gathering release micro-service tutorial</a> </li> <li> <a href="https://gitter.im/ServiceCombUsers/Lobby">Welcome to join Apache ServiceComb community at Gitter</a> </li> </ul>
 
             </div>
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index cc5c681..468b021 100644
--- a/content/release/service-center-downloads/index.html
+++ b/content/release/service-center-downloads/index.html
@@ -140,7 +140,7 @@
     <!-- start custom head snippets -->
 
 <!-- insert favicons. use http://realfavicongenerator.net/ -->
-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
 <!-- end custom head snippets -->
 
diff --git a/content/release/service-center-release-notes/index.html b/content/release/service-center-release-notes/index.html
index a0e7fe3..ca2e684 100644
--- a/content/release/service-center-release-notes/index.html
+++ b/content/release/service-center-release-notes/index.html
@@ -140,7 +140,7 @@
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 <!-- insert favicons. use http://realfavicongenerator.net/ -->
-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
 <!-- end custom head snippets -->
 
diff --git a/content/release/toolkit-downloads/index.html b/content/release/toolkit-downloads/index.html
index f66f06e..894f2b4 100644
--- a/content/release/toolkit-downloads/index.html
+++ b/content/release/toolkit-downloads/index.html
@@ -140,7 +140,7 @@
     <!-- start custom head snippets -->
 
 <!-- insert favicons. use http://realfavicongenerator.net/ -->
-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
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diff --git a/content/release/toolkit-release-notes/index.html b/content/release/toolkit-release-notes/index.html
index d5eb04f..af2fdd1 100644
--- a/content/release/toolkit-release-notes/index.html
+++ b/content/release/toolkit-release-notes/index.html
@@ -140,7 +140,7 @@
     <!-- start custom head snippets -->
 
 <!-- insert favicons. use http://realfavicongenerator.net/ -->
-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
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diff --git a/content/security/index.html b/content/security/index.html
index cb3b460..ef7a2fa 100644
--- a/content/security/index.html
+++ b/content/security/index.html
@@ -140,7 +140,7 @@
     <!-- start custom head snippets -->
 
 <!-- insert favicons. use http://realfavicongenerator.net/ -->
-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
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diff --git a/content/sitemap.xml b/content/sitemap.xml
index 15a0ce3..e8a723a 100644
--- a/content/sitemap.xml
+++ b/content/sitemap.xml
@@ -343,10 +343,6 @@
 <loc>/cn/slides/</loc>
 </url>
 <url>
-<loc>/docs/products/mesher/advance/</loc>
-<lastmod>2019-08-08T22:01:43+08:00</lastmod>
-</url>
-<url>
 <loc>/cn/docs/products/java-chassis/advance/</loc>
 <lastmod>2017-09-03T22:01:43+08:00</lastmod>
 </url>
@@ -355,6 +351,10 @@
 <lastmod>2017-09-03T22:01:43+08:00</lastmod>
 </url>
 <url>
+<loc>/docs/products/mesher/advance/</loc>
+<lastmod>2019-08-08T22:01:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/docs/products/mesher/advance/</loc>
 <lastmod>2019-08-08T22:01:43+08:00</lastmod>
 </url>
@@ -391,22 +391,22 @@
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/release/compatibleversion</loc>
-<lastmod>2018-06-21T08:50:43+08:00</lastmod>
-</url>
-<url>
 <loc>/cn/release/compatibleversion</loc>
 <lastmod>2018-06-21T08:50:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/developers/contributing</loc>
-<lastmod>2018-05-20T19:18:43+08:00</lastmod>
+<loc>/release/compatibleversion</loc>
+<lastmod>2018-06-21T08:50:43+08:00</lastmod>
 </url>
 <url>
 <loc>/developers/contributing</loc>
 <lastmod>2018-05-20T19:18:43+08:00</lastmod>
 </url>
 <url>
+<loc>/cn/developers/contributing</loc>
+<lastmod>2018-05-20T19:18:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/docs/users/customized-tracing/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
@@ -423,11 +423,11 @@
 <lastmod>2017-09-03T22:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/service-contract/</loc>
+<loc>/cn/docs/users/service-contract/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/docs/users/service-contract/</loc>
+<loc>/docs/users/service-contract/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
@@ -435,11 +435,11 @@
 <lastmod>2018-05-25T22:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/run-mode/</loc>
+<loc>/cn/docs/users/run-mode/</loc>
 <lastmod>2017-06-06T22:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/docs/users/run-mode/</loc>
+<loc>/docs/users/run-mode/</loc>
 <lastmod>2017-06-06T22:01:43+08:00</lastmod>
 </url>
 <url>
@@ -451,15 +451,11 @@
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 </url>
 <url>
-<loc>/docs/users/develop-with-rest-template/</loc>
-<lastmod>2017-08-16T03:01:43+08:00</lastmod>
-</url>
-<url>
 <loc>/cn/docs/users/develop-with-rest-template/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/develop-with-rpc/</loc>
+<loc>/docs/users/develop-with-rest-template/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
@@ -467,7 +463,7 @@
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/develop-with-spring-boot-starter/</loc>
+<loc>/docs/users/develop-with-rpc/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
@@ -475,7 +471,7 @@
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 </url>
 <url>
-<loc>/docs/users/develop-with-springmvc/</loc>
+<loc>/docs/users/develop-with-spring-boot-starter/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
@@ -483,6 +479,10 @@
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
+<loc>/docs/users/develop-with-springmvc/</loc>
+<lastmod>2017-08-16T03:01:43+08:00</lastmod>
+</url>
+<url>
 <loc>/docs/users/develop-with-transparent-rpc/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
@@ -491,38 +491,38 @@
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 </url>
 <url>
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-</url>
-<url>
 <loc>/cn/developers/</loc>
 <lastmod>2017-06-24T19:18:43+08:00</lastmod>
 </url>
 <url>
+<loc>/developers/</loc>
+<lastmod>2017-06-24T19:18:43+08:00</lastmod>
+</url>
+<url>
+<loc>/cn/docs/products/java-chassis/distributed-tracing/</loc>
+<lastmod>2017-09-03T22:01:43+08:00</lastmod>
+</url>
+<url>
+<loc>/docs/users/distributed-tracing/</loc>
+<lastmod>2017-08-16T03:01:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/docs/products/mesher/distributed-tracing/</loc>
 <lastmod>2019-08-08T22:01:43+08:00</lastmod>
 </url>
 <url>
+<loc>/docs/products/mesher/distributed-tracing/</loc>
+<lastmod>2019-08-08T22:01:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/docs/users/distributed-tracing/</loc>
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 </url>
 <url>
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 <loc>/docs/users/dynamic-config/</loc>
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 </url>
 <url>
-<loc>/cn/docs/users/edge-in-1.0.0-m1/</loc>
+<loc>/docs/users/edge-in-1.0.0-m1/</loc>
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 </url>
 <url>
-<loc>/docs/users/edge-in-1.0.0-m1/</loc>
+<loc>/cn/docs/users/edge-in-1.0.0-m1/</loc>
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 <url>
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 </url>
 <url>
-<loc>/cn/docs/products/mesher/flow-control/</loc>
-<lastmod>2017-09-03T22:01:43+08:00</lastmod>
+<loc>/docs/users/faq/</loc>
+<lastmod>2017-06-06T22:01:43+08:00</lastmod>
 </url>
 <url>
 <loc>/docs/products/java-chassis/flow-control/</loc>
@@ -563,6 +559,10 @@
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 </url>
 <url>
+<loc>/cn/docs/products/mesher/flow-control/</loc>
+<lastmod>2017-09-03T22:01:43+08:00</lastmod>
+</url>
+<url>
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 </url>
 <url>
-<loc>/cn/</loc>
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-<url>
 <loc>/</loc>
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 <url>
-<loc>/docs/users/huawei-cloud-faq/</loc>
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-</url>
-<url>
-<loc>/faqs/faqs-huawei-cloud/</loc>
-<lastmod>2017-10-29T22:01:43+08:00</lastmod>
+<loc>/cn/</loc>
 </url>
 <url>
 <loc>/cn/faqs/faqs-huawei-cloud/</loc>
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 </url>
 <url>
-<loc>/cn/docs/products/service-center/install/</loc>
-<lastmod>2019-11-12T08:50:43+08:00</lastmod>
+<loc>/faqs/faqs-huawei-cloud/</loc>
+<lastmod>2017-10-29T22:01:43+08:00</lastmod>
+</url>
+<url>
+<loc>/docs/users/huawei-cloud-faq/</loc>
+<lastmod>2017-06-06T22:01:43+08:00</lastmod>
 </url>
 <url>
 <loc>/docs/products/service-center/install/</loc>
 <lastmod>2019-11-12T08:50:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/docs/introduction/</loc>
+<loc>/cn/docs/products/service-center/install/</loc>
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 </url>
 <url>
@@ -617,6 +613,10 @@
 <lastmod>2019-11-12T08:50:43+08:00</lastmod>
 </url>
 <url>
+<loc>/cn/docs/introduction/</loc>
+<lastmod>2019-11-12T08:50:43+08:00</lastmod>
+</url>
+<url>
 <loc>/docs/users/invoke-control/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
@@ -633,22 +633,22 @@
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 </url>
 <url>
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-<lastmod>2019-04-12T08:50:43+08:00</lastmod>
-</url>
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 <lastmod>2019-04-12T08:50:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/release/kie-downloads/</loc>
-<lastmod>2019-09-09T08:50:43+08:00</lastmod>
+<loc>/release/java-chassis-release-notes/</loc>
+<lastmod>2019-04-12T08:50:43+08:00</lastmod>
 </url>
 <url>
 <loc>/release/kie-downloads/</loc>
 <lastmod>2019-09-09T08:50:43+08:00</lastmod>
 </url>
 <url>
+<loc>/cn/release/kie-downloads/</loc>
+<lastmod>2019-09-09T08:50:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/release/kie-release-notes/</loc>
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@@ -657,7 +657,7 @@
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 </url>
 <url>
-<loc>/cn/docs/products/mesher/load-balance/</loc>
+<loc>/docs/products/mesher/load-balance/</loc>
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 </url>
 <url>
-<loc>/cn/docs/products/java-chassis/load-balance/</loc>
-<lastmod>2017-09-03T22:01:43+08:00</lastmod>
+<loc>/cn/docs/products/mesher/load-balance/</loc>
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 </url>
 <url>
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-<lastmod>2019-08-08T22:01:43+08:00</lastmod>
+<loc>/cn/docs/products/java-chassis/load-balance/</loc>
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 </url>
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 <url>
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-<lastmod>2017-08-16T03:01:43+08:00</lastmod>
+<loc>/docs/products/syncer/multi-servicecenters/</loc>
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 <url>
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+<lastmod>2017-08-16T03:01:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/docs/products/toolkit/oas-validator/</loc>
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-<lastmod>2019-08-08T22:01:43+08:00</lastmod>
-</url>
-<url>
-<loc>/docs/products/syncer/quick-start/</loc>
+<loc>/cn/docs/products/syncer/quick-start/</loc>
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 </url>
 <url>
-<loc>/cn/docs/products/mesher/quick-start/</loc>
+<loc>/docs/products/toolkit/quick-start/</loc>
+<lastmod>2019-11-12T08:50:43+08:00</lastmod>
+</url>
+<url>
+<loc>/docs/products/syncer/quick-start/</loc>
+<lastmod>2019-11-12T08:50:43+08:00</lastmod>
+</url>
+<url>
+<loc>/docs/products/mesher/quick-start/</loc>
 <lastmod>2019-08-08T22:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/docs/products/syncer/quick-start/</loc>
-<lastmod>2019-11-12T08:50:43+08:00</lastmod>
+<loc>/docs/products/java-chassis/quick-start/</loc>
+<lastmod>2017-09-06T08:50:43+08:00</lastmod>
+</url>
+<url>
+<loc>/cn/docs/products/mesher/quick-start/</loc>
+<lastmod>2019-08-08T22:01:43+08:00</lastmod>
 </url>
 <url>
 <loc>/cn/docs/products/toolkit/quick-start/</loc>
@@ -813,22 +813,22 @@
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 </url>
 <url>
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-<lastmod>2019-04-06T08:50:43+08:00</lastmod>
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 </url>
 <url>
-<loc>/developers/release-guide/</loc>
-<lastmod>2018-04-03T18:33:43+08:00</lastmod>
+<loc>/cn/release/</loc>
+<lastmod>2019-04-06T08:50:43+08:00</lastmod>
 </url>
 <url>
 <loc>/cn/developers/release-guide/</loc>
 <lastmod>2018-05-08T09:55:44+08:00</lastmod>
 </url>
 <url>
+<loc>/developers/release-guide/</loc>
+<lastmod>2018-04-03T18:33:43+08:00</lastmod>
+</url>
+<url>
 <loc>/developers/release-validation-guide/</loc>
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 <lastmod>2018-03-28T08:50:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/release/saga-downloads/</loc>
+<loc>/release/saga-downloads/</loc>
 <lastmod>2018-03-28T08:50:43+08:00</lastmod>
 </url>
 <url>
-<loc>/release/saga-downloads/</loc>
+<loc>/cn/release/saga-downloads/</loc>
 <lastmod>2018-03-28T08:50:43+08:00</lastmod>
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 <url>
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+<loc>/security/</loc>
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 <url>
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+<loc>/docs/users/service-heartbeat/</loc>
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@@ -909,6 +905,10 @@
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 </url>
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+<loc>/cn/docs/users/service-interface-constraints/</loc>
+<lastmod>2017-08-16T03:01:43+08:00</lastmod>
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+<url>
 <loc>/docs/products/mesher/service-management/</loc>
 <lastmod>2019-08-08T22:01:43+08:00</lastmod>
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 <lastmod>2017-09-03T22:01:43+08:00</lastmod>
 </url>
 <url>
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+<loc>/cn/release/service-center-downloads/</loc>
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 </url>
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 </url>
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 </url>
 <url>
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-<lastmod>2017-12-22T22:49:00+08:00</lastmod>
+<loc>/docs/users/</loc>
+<lastmod>2017-06-14T22:01:43+08:00</lastmod>
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 <url>
 <loc>/cn/developers/setup-committer-rights/</loc>
 <lastmod>2018-05-08T22:49:00+08:00</lastmod>
 </url>
 <url>
+<loc>/developers/setup-committer-rights/</loc>
+<lastmod>2017-12-22T22:49:00+08:00</lastmod>
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 <loc>/developers/setup-develop-environment/</loc>
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 </url>
 <url>
-<loc>/cn/developers/submit-codes/</loc>
-<lastmod>2017-09-10T01:12:43+08:00</lastmod>
+<loc>/cn/developers/sonarcloud-how-to/</loc>
+<lastmod>2019-11-15T16:55:44+08:00</lastmod>
 </url>
 <url>
 <loc>/developers/submit-codes/</loc>
 <lastmod>2017-09-10T01:12:43+08:00</lastmod>
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 <url>
+<loc>/cn/developers/submit-codes/</loc>
+<lastmod>2017-09-10T01:12:43+08:00</lastmod>
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+<url>
 <loc>/cn/developers/submit-issues/</loc>
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 <url>
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+<lastmod>2020-05-25T09:46:01+08:00</lastmod>
+</url>
+<url>
+<loc>/cn/summer2020</loc>
+<lastmod>2020-05-25T09:46:01+08:00</lastmod>
 </url>
 <url>
 <loc>/developers/team/</loc>
 <lastmod>2018-06-01T19:18:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/release/toolkit-downloads/</loc>
-<lastmod>2019-09-02T22:06:43+08:00</lastmod>
+<loc>/cn/developers/team/</loc>
+<lastmod>2018-06-01T19:18:43+08:00</lastmod>
 </url>
 <url>
 <loc>/release/toolkit-downloads/</loc>
 <lastmod>2019-09-02T22:06:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/release/toolkit-release-notes/</loc>
+<loc>/cn/release/toolkit-downloads/</loc>
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 </url>
 <url>
@@ -1020,6 +1024,10 @@
 <lastmod>2019-09-02T22:06:43+08:00</lastmod>
 </url>
 <url>
+<loc>/cn/release/toolkit-release-notes/</loc>
+<lastmod>2019-09-02T22:06:43+08:00</lastmod>
+</url>
+<url>
 <loc>/cn/developers/use-gitter/</loc>
 <lastmod>2018-03-01T16:12:43+08:00</lastmod>
 </url>
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 <lastmod>2018-03-01T16:12:43+08:00</lastmod>
 </url>
 <url>
-<loc>/cn/docs/users/use-service-contract/</loc>
+<loc>/docs/users/use-service-contract/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/use-service-contract/</loc>
+<loc>/cn/docs/users/use-service-contract/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
@@ -1054,11 +1062,11 @@
 <loc>/cn/year-archive/</loc>
 </url>
 <url>
-<loc>/cn/docs/users/edging-service/zuul/</loc>
+<loc>/docs/users/edging-service/zuul/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
-<loc>/docs/users/edging-service/zuul/</loc>
+<loc>/cn/docs/users/edging-service/zuul/</loc>
 <lastmod>2017-08-16T03:01:43+08:00</lastmod>
 </url>
 <url>
diff --git a/content/sitemap/index.html b/content/sitemap/index.html
index 8abd8c7..33a5c6b 100644
--- a/content/sitemap/index.html
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diff --git a/content/slides/index.html b/content/slides/index.html
index 575d045..aecb3be 100644
--- a/content/slides/index.html
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-<link href="https://fonts.cat.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
 <script src="/assets/js/custom.js"></script>
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diff --git a/content/summer2020.html b/content/summer2020.html
new file mode 100644
index 0000000..98f0a59
--- /dev/null
+++ b/content/summer2020.html
@@ -0,0 +1,434 @@
+<!doctype html>
+<!--
+  Minimal Mistakes Jekyll Theme 4.4.1 by Michael Rose
+  Copyright 2017 Michael Rose - mademistakes.com | @mmistakes
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+-->
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+  <head>
+    <meta charset="utf-8">
+
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+
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+<title>Summer 2020 - Apache ServiceComb</title>
+
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+<meta name="description" content="Summer 2020">
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+
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+
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+  <meta property="og:url" content="https://github.com/pages/apache/incubator-servicecomb-website/summer2020">
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+
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+
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+    <meta name="twitter:card" content="summary">
+    
+  
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+
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+  <script type="application/ld+json">
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+      "@type" : "Person",
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+  </script>
+
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+  <meta name="google-site-verification" content="HvJjNd7vvJ-yjSTHlBiIWEYxp_Hrz-PYEY5Idz9LRcA" />
+
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+<!-- end SEO -->
+
+
+<link href="/feed.xml" type="application/atom+xml" rel="alternate" title="Apache ServiceComb Feed">
+
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+<meta name="MobileOptimized" content="320">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
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+<script>
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+</script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js"></script>
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+
+<script type="text/javascript" async
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+
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+<!-- For all browsers -->
+<link rel="stylesheet" href="/assets/css/main.css?v=1">
+<link rel="stylesheet" href="/assets/vendor/prism/prism.css?v=1">
+
+<!--[if lte IE 9]>
+  <style>
+    /* old IE unsupported flexbox fixes */
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+      padding-right: 3em;
+    }
+    .greedy-nav button {
+      position: absolute;
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+    }
+  </style>
+<![endif]-->
+
+<meta http-equiv="cleartype" content="on">
+
+    <!-- start custom head snippets -->
+
+<!-- insert favicons. use http://realfavicongenerator.net/ -->
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+<script src="/assets/js/custom.js"></script>
+<!-- end custom head snippets -->
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+
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+  <div class="masthead__inner-wrap">
+    <div class="masthead__menu">
+      <nav id="site-nav" class="greedy-nav">
+	      
+          <a class="site-title active" href="/"><img src="https://www.apache.org/img/servicecomb.png"></a>
+	      
+        <ul class="visible-links">
+          
+            
+          
+          
+            
+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
+                
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+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
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+                  <a href="/developers/">Projects</a>
+                
+              </li>
+            
+          
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+          
+          
+            
+            <li class="def-nav-li" onmouseenter="$('#childrenShow').css('display', 'block')">
+              
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+
+              
+                <a href="/docs/users/">Documentation</a>
+              
+
+              <ul id="childrenShow" class="def-children-show-en" onmouseleave="$('#childrenShow').css('display', 'none')">
+                
+                <li><a href="/docs/getting-started/" class="">Getting started</a></li>
+                
+                <li><a href="/docs/users/" class="">Docs</a></li>
+                
+                <li><a href="/slides/" class="">Video</a></li>
+                
+                <li><a href="/faqs/" class="">FAQ</a></li>
+                
+              </ul>
+            </li>
+          
+          
+            
+          
+          
+            
+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
+                
+                  <a href="/developers/contributing">Community</a>
+                
+              </li>
+            
+          
+            
+          
+          
+            
+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
+                
+                  <a href="/year-archive/">Blogs</a>
+                
+              </li>
+            
+          
+            
+          
+          
+            
+              <li class="masthead__menu-item" onmouseenter="$('#childrenShow').css('display', 'none')">
+                
+                  <a href="/release/">Downloads</a>
+                
+              </li>
+            
+          
+        </ul>
+        <button><div class="navicon"></div></button>
+        <ul class="hidden-links hidden"></ul>
+        <div class="nav-lang">
+          
+            
+            <a href=/cn/summer2020>中文</a>
+          
+        </div>
+      </nav>
+    </div>
+  </div>
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+
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+
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+<div id="main" role="main">
+  
+  <div class="sidebar sticky">
+      
+      <div class="back-to-home"><a href="/">Home</a> > Summer 2020</div>
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+      
+        
+          <header>
+            <h1 class="page__title" itemprop="headline">Summer 2020
+</h1>
+            
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+    <div align="center" style="margin: 0 0;">
+    <ins class="adsbygoogle"
+         style="display:block; border-bottom: initial;"
+         data-ad-client="ca-pub-7328585512091257"
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+         data-ad-format="auto"></ins>
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+      <footer>
+        <!-- start custom footer snippets -->
+
+<!-- end custom footer snippets -->
+
+        <div class="container">
+  <div class="row justify-content-md-center">
+    
+    <div class="col">
+      <ul>
+        <p class="header">Resources</p>
+        <li><a href="/docs/getting-started/">Getting started</a></li>
+        <li><a href="/docs/users/">User Guide</a></li>
+        <li><a href="/slides/">Slides</a></li>
+        <li><a href="/users/faq/">Common Questions</a></li>
+      </ul>
+    </div>
+    <div class="col">
+      <ul>
+        <p class="header">ASF</p>
+        <li><a href="http://www.apache.org">Foundation</a></li>
+        <li><a href="http://www.apache.org/licenses/">License</a></li>
+        <li><a href="http://www.apache.org/events/current-event">Events</a></li>
+        <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+        <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li>
+      </ul>
+    </div>
+    <div class="col">
+      <ul>
+        <p class="header">Contribute</p>
+        <li><a href="http://issues.apache.org/jira/browse/SCB">Report a Doc Issue</a></li>
+        <li><a href="https://github.com/apache/servicecomb-website/edit/master/_pages/summer2020.html">Edit This Page on Github</a></li>
+        <li><a href="/developers/submit-codes/">Code Submit Guide</a></li>
+        <li><a href="/security">Security</a></li>
+      </ul>
+    </div>
+    <div class="col">
+      <ul class="social-icons">
+        <p class="header">Community</p>
+        <li>
+            <a href="mailto:dev-subscribe@servicecomb.incubator.apache.org" rel="nofollow"><span class="mail">Mailing List</span></a>
+        </li>
+        <li>
+            <a href="https://github.com/apache?q=ServiceComb" target="_blank"><span class="github">Github</span></a>
+        </li>
+        <li>
+            <a href="https://twitter.com/ServiceComb" target="_blank"><span class="twitter">Twitter</span></a>
+        </li>
+        <li>
+            <a href="/feed.xml" target="_blank"><span class="rss">Feed</span></a>
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diff --git a/content/year-archive/index.html b/content/year-archive/index.html
index 89b900e..1702c8e 100644
--- a/content/year-archive/index.html
+++ b/content/year-archive/index.html
@@ -138,7 +138,7 @@
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+<link href="https://fonts.loli.net/css?family=Roboto:400,500,700|Source+Code+Pro" rel="stylesheet">
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