diff --git a/docs-cn/08-advance-feature/04-udf.md b/docs-cn/08-advance-feature/04-udf.md
index 136d2e03ca6d27aa58233a5ca9ca7a1c47b6a33e..48ac012b060533fa8112dcbbc11303dda4dcb2fc 100644
--- a/docs-cn/08-advance-feature/04-udf.md
+++ b/docs-cn/08-advance-feature/04-udf.md
@@ -1,5 +1,5 @@
 ---
-sidebar_label: UDF
+sidebar_label: 用户定义函数
 title: UDF（用户定义函数）
 ---