diff --git a/README.md b/README.md
index 7914000..57bc34b 100644
--- a/README.md
+++ b/README.md
@@ -244,6 +244,7 @@
 
 * [iOS开发60分钟入门](https://github.com/qinjx/30min_guides/blob/master/ios.md)
 * [iOS7人机界面指南](http://isux.tencent.com/ios-human-interface-guidelines-ui-design-basics-ios7.html)
+* [Google Objective-C Style Guide 中文版](http://www.iwangke.me/objc-style-guide/#avoid_new)
 
 ### Android
 
@@ -252,6 +253,7 @@
 ### Python
 
 * [简明Python教程](http://woodpecker.org.cn/abyteofpython_cn/chinese/)
+* [PEP8 Python代码风格规范](https://code.google.com/p/zhong-wiki/wiki/PEP8)
 * [Python入门教程](http://liam0205.me/Python-tutorial-zh_cn/) ([PDF](http://liam0205.me/attachment/Python/The_Python_Tutorial_zh-cn.pdf))
 * [Python的神奇方法指南](http://article.yeeyan.org/view/311527/287706)
 * [笨办法学 Python](https://learn-python-the-hard-way-zh_cn-translation.readthedocs.org/en/1.0/)