diff --git "a/content/docs-lite/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md" "b/content/docs-lite/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
index a301d52411a9cab4842f888c102cd2d5ce1c9876..e295151882bc5d0c78d76dc6b17439948665fea9 100644
--- "a/content/docs-lite/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
+++ "b/content/docs-lite/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
@@ -8,5 +8,5 @@
 
 -   **[SQL语法](shark-SQL语法.md)**  
 
--   **[SQL语法](shark-不支持语法.md)**  
+-   **[不支持语法](shark-不支持语法.md)**  
 
diff --git "a/content/docs-lite/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md" "b/content/docs-lite/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
index 2810317697d1d3d35662e1db170677b963c50feb..2c65094cb97383a1713e0afd54b2ad355e3a26df 100644
--- "a/content/docs-lite/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
+++ "b/content/docs-lite/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
@@ -15,13 +15,13 @@ select 10！;
 select factorial(10);
 ```
 
-# ROWNUM
+## ROWNUM
 
 ### 语法变更说明
 
 - rownum不再作为伪列关键词。
 
-```
+```sql
 -- 不再支持rownum作为伪列关键词
 openGauss=# select * from test1 where ROWNUM < 2;
 ERROR:  column "rownum" does not exist
@@ -29,6 +29,12 @@ LINE 1: select * from test1 where ROWNUM < 2;
                                   ^
 
 --可用语法
---过滤条件中需要使用真实列
+--例如可以使用limit替代rownum小于语法
+openGauss=# select * from test1 limit 1;
+ id
+----
+  1
+(1 row)
+
 ```
 
diff --git "a/content/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md" "b/content/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
index a301d52411a9cab4842f888c102cd2d5ce1c9876..e295151882bc5d0c78d76dc6b17439948665fea9 100644
--- "a/content/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
+++ "b/content/zh/docs/ExtensionReference/shark-SQL\345\217\202\350\200\203.md"
@@ -8,5 +8,5 @@
 
 -   **[SQL语法](shark-SQL语法.md)**  
 
--   **[SQL语法](shark-不支持语法.md)**  
+-   **[不支持语法](shark-不支持语法.md)**  
 
diff --git "a/content/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md" "b/content/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
index 2810317697d1d3d35662e1db170677b963c50feb..2c65094cb97383a1713e0afd54b2ad355e3a26df 100644
--- "a/content/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
+++ "b/content/zh/docs/ExtensionReference/shark-\344\270\215\346\224\257\346\214\201\350\257\255\346\263\225.md"
@@ -15,13 +15,13 @@ select 10！;
 select factorial(10);
 ```
 
-# ROWNUM
+## ROWNUM
 
 ### 语法变更说明
 
 - rownum不再作为伪列关键词。
 
-```
+```sql
 -- 不再支持rownum作为伪列关键词
 openGauss=# select * from test1 where ROWNUM < 2;
 ERROR:  column "rownum" does not exist
@@ -29,6 +29,12 @@ LINE 1: select * from test1 where ROWNUM < 2;
                                   ^
 
 --可用语法
---过滤条件中需要使用真实列
+--例如可以使用limit替代rownum小于语法
+openGauss=# select * from test1 limit 1;
+ id
+----
+  1
+(1 row)
+
 ```