diff --git a/README.md b/README.md
index e7c9e6ee..e7d7e9b9 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,10 @@
 | 算法  | 操作系统 | 网络 |面向对象|  数据库  | Java  |系统设计|   工具   |编码实践|   后记   |
 | :---: | :----: | :---: | :----: | :----: | :----: | :----: | :----: | :----: | :----: |
 | [:pencil2:](#pencil2-算法) | [:computer:](#computer-操作系统) | [:cloud:](#cloud-网络) | [:art:](#art-面向对象) | [:floppy_disk:](#floppy_disk-数据库) |[:coffee:](#coffee-java)| [:bulb:](#bulb-系统设计) |[:wrench:](#wrench-工具)| [:watermelon:](#watermelon-编码实践) |[:memo:](#memo-后记)|
-
 <br>
 
+[![Maintainability](https://cloud.quality-gate.com/dashboard/api/badge?projectName=CyC2018_CS-Notes&branchName=master)](https://cloud.quality-gate.com/dashboard/branches/135613#overview)
+
 <div align="center">
     <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/githubio/LogoMakr_0zpEzN.png" width="200px">
 </div>