diff --git a/CHANGELOG.md b/CHANGELOG.md
index 497db036..80eeb1b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 4.1.0 / 2017-05-30
+
+
+  * feat: Support server client renderer [See detail](//docsify.js.org/#/ssr)
+  * feat: Support HTML5 history API. `$docsify.routerMode = 'history'`
+  * Breaking change: Clean global API
+
 ## 3.7.3 / 2017-05-22
 
   * fix(render): find => filter, Compatible with old browser
diff --git a/docs/_sidebar.md b/docs/_sidebar.md
index 60374a5e..b4b3ebd9 100644
--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -18,5 +18,6 @@
   - [Vue compatibility](vue.md)
   - [CDN](cdn.md)
   - [Offline Mode(PWA)](pwa.md)
+  - [(Server-client renderer(SSR)](ssr.md)
 
 - [Changelog](changelog.md)
diff --git a/docs/configuration.md b/docs/configuration.md
index 98539141..250d0b7a 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -317,7 +317,7 @@ window.$docsify = {
 ```
 
 ## format-updated
-We can display the file update date through **{docsify-updated<span>}</span>** variable. And format it by `formatUpdated`. 
+We can display the file update date through **{docsify-updated<span>}</span>** variable. And format it by `formatUpdated`.
 See https://github.com/lukeed/tinydate#patterns
 ```js
 window.$docsify = {
@@ -340,3 +340,10 @@ window.$docsify = {
   externalLinkTarget: '_self' // default: '_blank'
 }
 ```
+
+## router-mode
+```js
+window.$docsify = {
+  routerMode: 'history' // default: 'hash'
+}
+```
diff --git a/docs/de-de/_sidebar.md b/docs/de-de/_sidebar.md
index dac8531c..f992cca1 100644
--- a/docs/de-de/_sidebar.md
+++ b/docs/de-de/_sidebar.md
@@ -18,5 +18,6 @@
   - [Vue Kompatibilität](de-de/vue.md)
   - [CDN](de-de/cdn.md)
   - [Offline Modus (PWA)](de-de/pwa.md)
+  - [Server-client renderer (SSR)](de-de/ssr.md)
 
 - [Changelog](de-de/changelog.md)
diff --git a/docs/zh-cn/_sidebar.md b/docs/zh-cn/_sidebar.md
index f0365665..2a6cdc7f 100644
--- a/docs/zh-cn/_sidebar.md
+++ b/docs/zh-cn/_sidebar.md
@@ -18,5 +18,6 @@
  - [兼容 Vue](zh-cn/vue.md)
  - [CDN](zh-cn/cdn.md)
  - [离线模式(PWA)](zh-cn/pwa.md)
+  - [服务端渲染 (SSR)](zh-cn/ssr.md)
 
 - [Changelog](zh-cn/changelog.md)