update doc

README_CN.md

@@ -64,6 +64,7 @@ curl -L https://alibaba.github.io/arthas/install.sh | sh
 * [Q&A](https://github.com/alibaba/arthas/issues?utf8=%E2%9C%93&q=label%3Aquestion-answered+)
 * [参与贡献](https://github.com/alibaba/arthas/blob/master/CONTRIBUTING.md)
 * [Release Notes](https://alibaba.github.io/arthas/release-notes.html)
+* [QQ群/钉钉群](https://alibaba.github.io/arthas/contact-us.html)
 
 ### 案例展示
 

site/src/site/sphinx/contact-us.md

@@ -0,0 +1,17 @@
+联系我们
+===
+
+
+### Issues
+
+使用疑问，意见可以直接在Issues里提出： [https://github.com/alibaba/arthas/issues](https://github.com/alibaba/arthas/issues)
+
+
+### QQ群
+
+Arthas开源交流QQ群：916328269
+
+### 钉钉群
+
+Arthas开源交流钉钉群：21965291 ，搜索群号即可加入。
+

site/src/site/sphinx/en/release-notes.md

@@ -2,10 +2,16 @@ Release Notes
 =============
 
 
+v3.0.5
+---
+
+* [https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5](https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5)
+
 v3.0.4
 ---
 
-* https://github.com/alibaba/arthas/milestone/1?closed=1
+* [https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4](https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4)
+
 
 v2017-11-03
 ----

site/src/site/sphinx/index.md

@@ -36,5 +36,6 @@ Contents
 * [Fork me at GitHub](https://github.com/alibaba/arthas)
 * [参与贡献](https://github.com/alibaba/arthas/blob/master/CONTRIBUTING.md)
 * [Release Notes](release-notes.md)
+* [QQ群/钉钉群](contact-us.md)
 
 

site/src/site/sphinx/release-notes.md

@@ -2,10 +2,15 @@
 Release Notes
 ===
 
+v3.0.5
+---
+
+* [https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5](https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5)
+
 v3.0.4
 ---
 
-* https://github.com/alibaba/arthas/milestone/1?closed=1
+* [https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4](https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4)
 
 
 v2017-11-03