Update README.md

Author: CarGuo

README.md

@@ -75,7 +75,8 @@
 
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-# [所有运行问题请点击这里](https://github.com/CarGuo/GSYGithubAppFlutter/issues/13)
+- ## [Flutter 完整开发实战详解 Gitbook 预览下载](https://github.com/CarGuo/GSYFlutterBook)
+- ## [所有运行问题请点击这里](https://github.com/CarGuo/GSYGithubAppFlutter/issues/13)
 
 ## 编译运行流程