diff --git a/README.md b/README.md
index e482824..1871a93 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,6 @@
 
 documentation
 
-[unitree-z1-docs-english](http://dev-z1.unitree.com)
+[unitree-z1-docs-english](https://support.unitree.com/home/en/Z1_developer)
 
-[unitree-z1-docs-chinese](http://dev-z1.cn.unitree.com)
\ No newline at end of file
+[unitree-z1-docs-chinese](https://support.unitree.com/home/zh/Z1_developer)
\ No newline at end of file