diff --git a/README-en-US.md b/README-en-US.md
index 226941c..43c4da6 100644
--- a/README-en-US.md
+++ b/README-en-US.md
@@ -1,7 +1,7 @@
 ### English | [简体中文](README.md)
 
 ## Preview Demo
-[Online Demo](https://ttentau.github.io/ttentau/dy/)
+[Online Demo](http://dy.ttentau.top)
 
 ### Note: Please use mobile mode of Chrome browser to access the PC side. To switch Chrome to mobile mode, press F12 to bring up the console, then Ctrl+Shift+M
 ### Note: For Android phones please use [Via mobile browser](https://viayoo.com/zh-cn/) or Chrome mobile version preview. When other browsers detect a video on the page, they force the video to be in full screen and display the control button. As a result, both css and js are invalid
diff --git a/README.md b/README.md
index fca240b..ea4626b 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ## 预览
 
-[在线预览DEMO](https://ttentau.github.io/ttentau/dy/)
+[在线预览DEMO](http://dy.ttentau.top)
 
 #### 注意：电脑端请用Chrome浏览器的手机模式访问。Chrome切换成手机模式快捷键，先按F12调出控制台，再按Ctrl+Shift+M