diff --git a/docs/zh/sql-reference/functions/null-functions.md b/docs/zh/sql-reference/functions/null-functions.md
index c721bca458c..b3dca3ac549 100644
--- a/docs/zh/sql-reference/functions/null-functions.md
+++ b/docs/zh/sql-reference/functions/null-functions.md
@@ -1,5 +1,5 @@
 ---
-slug: /zh/sql-reference/functions/null-functions
+slug: /zh/sql-reference/functions/functions-for-nulls
 ---
 # Nullable处理函数 {#nullablechu-li-han-shu}