Update index

Author: River@devbox

source/en/index.md

@@ -45,7 +45,6 @@ QPython not only provides basic Python interface support, but more importantly,
 
 - [Discord](https://discord.gg/hV2chuD)
 - [Facebook Group](https://www.facebook.com/groups/qpython)
-- [中文交流社区](https://www.qpython.com.cn/qpy-forum/)
 - [Newsletter (Google Groups)](https://groups.google.com/g/qpython)
 - [Report Issues](https://github.com/qpython-android/qpython/issues)
 - [Request Extensions](https://github.com/qpython-android/qpython.org/issues)

source/zh/index.md

@@ -43,8 +43,7 @@ QPython 不仅提供基础的 Python 接口支持，更重要的是，它还允
 
 ![QPython+ 学习助手](static/qpy_wechat.jpg)
 
-- [中文交流社区](https://www.qpython.com.cn/qpy-forum/)
-- [百度贴吧](https://tieba.baidu.com/f?ie=utf-8&kw=qpython)
+- [中文交流社区](/zh/community/)
 - [问题反馈](https://github.com/qpython-android/qpython/issues)
 - [功能扩展请求](https://github.com/qpython-android/qpython.org/issues)