update

README.md

@@ -1,8 +1,7 @@
 ## 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 issues](https://img.shields.io/bitbucket/issues-raw/atlassian/python-bitbucket.svg)](https://github.com/shuzheng/zheng/issues)
-[![GitHub forks](https://img.shields.io/github/forks/badges/shields.svg?style=social&label=Fork)](https://github.com/shuzheng/zheng)
+[![GitHub forks](https://img.shields.io/github/forks/shuzheng/zheng.svg?style=social&label=Fork)](https://github.com/shuzheng/zheng)
 
 # 项目介绍
 ``` lua