diff --git a/README.md b/README.md
index e1ce990..a0af25f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Unlock Music 音乐解锁
-Unlock encrypted music file in browser. 
-在浏览器中解锁加密的音乐文件。
+- Unlock encrypted music file in browser. 
+- 在浏览器中解锁加密的音乐文件。
+- [Online Demo](https://tool.ixarea.com/music)
 ## Features
 - [x] Unlock in browser 在浏览器中解锁
 - [x] QQMusic File QQ音乐文件 (.qmc0/.qmc3/.qmcflac)
@@ -8,6 +9,7 @@ Unlock encrypted music file in browser.
 - [x] Drag and Drop 拖放文件
 - [x] Play instantly 在线播放
 - [x] Batch unlocking 批量解锁
+- [x] Progressive Web App 渐进式Web应用
 - [ ] Multi-language 多语言
 - [ ] Write ID3 写入ID3信息