Update README.zh-cn.md

Author: oldrev

README.zh-cn.md

@@ -1,9 +1,12 @@
 # EdgeLinkd：Rust 重新实现的 Node-RED
 
-![Build Status](actions)
+[![Build Status]][actions]
 ![GitHub Release](https://img.shields.io/github/v/release/oldrev/edgelinkd?include_prereleases)
 ![GitHub Downloads (all assets, all releases)](https://img.shields.io/github/downloads/oldrev/edgelinkd/total)
 
+[Build Status]: https://img.shields.io/github/actions/workflow/status/oldrev/edgelinkd/CICD.yml?branch=master
+[actions]: https://github.com/oldrev/edgelinkd/actions?query=branch%3Amaster
+
 ![Node-RED Rust Backend](assets/banner.jpg)
 
 [English](README.md) | 简中