Update README.md

Author: PanJiaChen

README.md

@@ -6,6 +6,7 @@
 
 [![vue](https://img.shields.io/badge/vue-2.5.9-brightgreen.svg)](https://github.com/vuejs/vue)
 [![element-ui](https://img.shields.io/badge/element--ui-2.0.7-brightgreen.svg)](https://github.com/ElemeFE/element)
+[![Build Status](https://travis-ci.org/PanJiaChen/vue-element-admin.svg?branch=master)](https://travis-ci.org/PanJiaChen/vue-element-admin)
 [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/PanJiaChen/vue-element-admin/blob/master/LICENSE)
 [![GitHub release](https://img.shields.io/github/release/PanJiaChen/vue-element-admin.svg)]()