docs: fix cn link, issue TencentBlueKing#20

README.md

@@ -2,7 +2,7 @@
 ---
 [![license](https://img.shields.io/badge/license-mit-brightgreen.svg?style=flat)](https://github.com/Tencent/bk-bcs/blob/master/LICENSE)[![Release Version](https://img.shields.io/badge/release-1.12.x-brightgreen.svg)](https://github.com/Tencent/bk-bcs/releases) ![BK Pipelines Status](https://api.bkdevops.qq.com/process/api/external/pipelines/projects/bcs/p-c03c759b697f494ab14e01018eccb052/badge?X-DEVOPS-PROJECT-ID=bcs) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/Tencent/bk-bcs/pulls)   
 
-[中文文档](./README.md)
+[中文文档](./README_cn.md)
 
 BlueKing Container Service (BCS) is a container management and orchestration platform for the micro-services under the BlueKing ecosystem.