diff --git a/docs/README.md b/docs/README.md
index facf73a7d3235dcaf88944c69b241ac2c0bdcbdc..073586dd3e8554526df3aa50f1592eebb730137e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -99,6 +99,8 @@ $ node app.js
 返回数据如下图: 
 ![搜索音乐](https://raw.githubusercontent.com/Binaryify/NeteaseCloudMusicApi/master/static/%E6%8E%A8%E8%8D%90%E6%AD%8C%E6%9B%B2.png)
 
+### 离线访问此文档
+此文档同时也是 Progressive Web Apps(PWA), 加入serviceWorker,可离线访问
 
 ## License
 [The MIT License (MIT)](LICENSE)