Update README.md

Author: Paulmzr

README.md

@@ -3,7 +3,6 @@
 [![WeChat AI](https://img.shields.io/badge/WeChat%20AI-4CAF50?style=flat&logo=wechat)](https://www.wechat.com)
 [![ICT/CAS](https://img.shields.io/badge/ICT%2FCAS-0066cc?style=flat&logo=school)](https://ict.cas.cn)
 
-## This repo is under construction.
 
 
 ## Key features