diff --git a/README.md b/README.md
index db9e1de..364bbca 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
-see [unitree-z1-docs](http://dev-z1.unitree.com)
\ No newline at end of file
+see [unitree-z1-docs-english](http://dev-z1.unitree.com)
+see [unitree-z1-docs-chinese](http://dev-z1.cn.unitree.com)
\ No newline at end of file