update readme

README.md

@@ -12,8 +12,6 @@
 [WeChatSDK](https://developers.weixin.qq.com/doc/oplatform/Mobile_App/Resource_Center_Homepage.html) native APIs.
 
 
-> Fluwx 4.0 is coming with powerful enhancements!
-
 > Join QQ Group now: 1003811176
 
 ![QQGroup](https://gitee.com/OpenFlutter/resoures-repository/raw/master/common/flutter.png)
@@ -69,6 +67,8 @@ for more details.
 - flutter_activity. Optional. This is usually used by cold boot from WeChat on Android. `Fluwx` will try to launch launcher activity if not set.
 - universal_link. Required for iOS. It'll be used to generate universal link on your projects.
 
+> If you are failing `cannot load such file -- plist` on iOS, please run `sudo gem install plist` first.
+
 ## Register WxAPI
 
 Register your app via `fluwx` if necessary.

README_CN.md

@@ -67,6 +67,9 @@ dependencies:
 - flutter_activity. 可选. 这个通常是用于Android的冷启动。如果不设置任何值，`Fluwx`将尝试启动launcher activity.
 - universal_link. iOS 必填. 它将用自动配置universal_link。
 
+> 如果你在iOS端遇到了`cannot load such file -- plist`问题, 请先运行`sudo gem install plist`。
+
+
 ## 注册 WxAPI
 
 通过 `fluwx` 注册WxApi.