diff --git a/mkdocs.yml b/mkdocs.yml
index 0c34fe13719..41ff6b731a5 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -137,10 +137,10 @@ extra:
   database_edition: both
 
   # Language selector.
-  #alternate:
-  #  - name: 中文
-  #    link: https://docs.nebula-graph.com.cn/
-  #    lang: zh
+  alternate:
+   - name: 中文
+     link: https://docs.nebula-graph.com.cn/
+     lang: zh
 
   analytics:
     provider: google