update README.md

README.md

@@ -1,15 +1,5 @@
 # fludy
 
-A new Flutter project.
+抖音登录插件，详情请查阅[官方文档](https://developer.open-douyin.com/docs/resource/zh-CN/dop/develop/sdk/mobile-app/sdk)，目前只支持Android & iOS。
 
-## Getting Started
-
-This project is a starting point for a Flutter
-[plug-in package](https://flutter.dev/developing-packages/),
-a specialized package that includes platform-specific implementation code for
-Android and/or iOS.
-
-For help getting started with Flutter development, view the
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.