Update README.md

README.md

-# flutterpro
-
-A new Flutter application.
-
-## Getting Started
-
-This project is a starting point for a Flutter application.
-
-A few resources to get you started if this is your first Flutter project:
-
-- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
-
-For help getting started with Flutter, view our
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+文件夹层级结构： lib- -liangjialin(个人学习的代码文件夹) -dingbaojie(个人学习的代码文件夹) -yangjunlei(个人学习的代码文件夹) -jiexifeng(个人学习的代码文件夹) -doc（学习文档文件夹）