diff --git a/README.md b/README.md
index bfa51b1..7108edb 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
 Documentation:
 
-[unitree-z1-docs-en](http://dev-z1.unitree.com)
-
-[unitree-z1-docs-cn](http://dev-z1.cn.unitree.com)
-
+[unitree-z1-docs-en](https://support.unitree.com/home/en/Z1_developer/z1))
 
+[unitree-z1-docs-cn](https://support.unitree.com/home/zh/Z1_developer/z1)