diff --git a/README.md b/README.md
index dc8b8ce..20534e7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,27 @@
-# iOSAppLanguageSwitch
+# iOS应用内手动切换语言
 iOS手动切换显示语言
+
+基本API包括下面三个
+#### NSBundle+AppLanguageSwitch.h
+
+```objective-c
+//设置语言
++ (void)setCusLanguage:(NSString *)language;
+//获取语言
++ (NSString *)getCusLanguage;
+//恢复成系统语言
++ (void)restoreSysLanguage;
+```
+通知key一个
+
+```objective-c
+//当app语言改变之后发送通知
+NSString * const ZZAppLanguageDidChangeNotification;
+```
+## Requirements
+
+| StoryBoard | Xib  | NSLocalizedString  |
+|:--------------------:|:---------------------------:|:----------------------------:|
+| √ | √ | √ |
+
+更多用法请看demo，觉得好用的话别忘star一下哦！
diff --git a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate
index 152ef9d..7a8f1e0 100644
Binary files a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate and b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate differ