update

README.md

@@ -1,5 +1,4 @@
 ## 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)
 
@@ -124,4 +123,4 @@ zheng
 ![拓扑图](project-bootstrap/distributedSystem.png)
 
 # License
-  MIT
+[![License](https://img.shields.io/badge/license-MIT-blue.svg)](http://opensource.org/licenses/MIT)