diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Manipulation-Statements/Manipulation/SELECT.md b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Manipulation-Statements/Manipulation/SELECT.md
index c9364c1377..e49d41e96e 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Manipulation-Statements/Manipulation/SELECT.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Manipulation-Statements/Manipulation/SELECT.md
@@ -232,9 +232,9 @@ CTE 可以引用自身来定义递归 CTE 。 递归 CTE 的常见应用包括
 10. UNION 示例
 
     ```sql
-    SELECT a FROM t1 WHERE a = 10 AND B = 1 ORDER by LIMIT 10
+    SELECT a FROM t1 WHERE a = 10 AND B = 1 ORDER by a LIMIT 10
     UNION
-    SELECT a FROM t2 WHERE a = 11 AND B = 2 ORDER by LIMIT 10;
+    SELECT a FROM t2 WHERE a = 11 AND B = 2 ORDER by a LIMIT 10;
     ```
 
 11. WITH 子句示例
@@ -412,4 +412,4 @@ CTE 可以引用自身来定义递归 CTE 。 递归 CTE 的常见应用包括
    - 在 inner join 条件里除了支持等值 join，还支持不等值 join，为了性能考虑，推荐使用等值 join。
    - 其它 join 只支持等值 join
 
-   
\ No newline at end of file
+