update README.md

README.md

@@ -3,3 +3,18 @@
 
 [![Build Status](https://travis-ci.org/PaddlePaddle/PaddleHub.svg?branch=develop)](https://travis-ci.org/PaddlePaddle/PaddleHub)
 [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
+[![Version](https://img.shields.io/github/release/PaddlePaddle/PaddleHub.svg)](https://github.com/PaddlePaddle/PaddleHub/releases)
+
+## 安装
+
+```
+pip install -update paddlehub
+
+```
+
+## 答疑
+
+欢迎您将问题和bug报告以[Github Issues](https://github.com/PaddlePaddle/PaddleHub/issues)的形式提交
+
+## 版权和许可证
+PaddleHub由[Apache-2.0 license](LICENSE)提供