update

README.md

@@ -1,4 +1,5 @@
 ## zheng
+[![License](https://img.shields.io/badge/license-MIT-blue.svg)](http://opensource.org/licenses/MIT)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/shuzheng/zheng/pulls)
 [![GitHub forks](https://img.shields.io/github/forks/shuzheng/zheng.svg?style=social&label=Fork)](https://github.com/shuzheng/zheng)
 
@@ -121,6 +122,3 @@ zheng
 
 # 拓扑图
 ![拓扑图](project-bootstrap/distributedSystem.png)
-
-# License
-[![License](https://img.shields.io/badge/license-MIT-blue.svg)](http://opensource.org/licenses/MIT)