Update README.md

Author: android-cjj

README.md

@@ -27,7 +27,7 @@ ANDROID SDK 源码解析
 ###第一期
 Class | 分析者 | 校对者 | 版本 | 发布时间
 :------------- | :------------- | :------------- | :------------- | :------------- 
-[LruCache源码解析](https://github.com/LittleFriendsGroup/AndroidSdkSourceAnalysis/blob/master/article/LruCache%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90.md) | [CaMnter](https://github.com/CaMnter)| [android-cjj](https://github.com/android-cjj/)|support-v4-23.2.1 | 2016/4/24   
+[LruCache源码解析](https://github.com/LittleFriendsGroup/AndroidSdkSourceAnalysis/blob/master/article/LruCache%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90.md) | [CaMnter](https://github.com/CaMnter)| [alafighting](https://github.com/alafighting)|support-v4-23.2.1 | 2016/4/24   
 [ViewDragHelper源码解析](https://github.com/LittleFriendsGroup/AndroidSdkSourceAnalysis/blob/master/article/ViewDragHelper%E6%BA%90%E7%A0%81%E5%88%86%E6%9E%90.md) | [达庆凯](https://github.com/Skykai521)| [android-cjj](https://github.com/android-cjj/)|support-v4-21.0 | 2016/4/21   
 [BottomSheets源码解析](https://github.com/android-cjj/SourceAnalysis) | [android-cjj](https://github.com/android-cjj/)| [轻微](https://github.com/zzz40500)|design-23.2.0 | 2016/4/20