diff --git a/backend/templates/sql_examples/AWS_Redshift.yaml b/backend/templates/sql_examples/AWS_Redshift.yaml
index 40036b97..768bdca6 100644
--- a/backend/templates/sql_examples/AWS_Redshift.yaml
+++ b/backend/templates/sql_examples/AWS_Redshift.yaml
@@ -51,6 +51,7 @@ template:
             COUNT("t1"."订单ID") AS "total_orders",
             CONCAT(ROUND("t1"."折扣率" * 100, 2), '%') AS "discount_percent"
           FROM "TEST"."SALES" "t1"
+          GROUP BY "t1"."订单ID", "t1"."金额", "t1"."折扣率"
           LIMIT 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/DM.yaml b/backend/templates/sql_examples/DM.yaml
index 29e65d82..df050f6e 100644
--- a/backend/templates/sql_examples/DM.yaml
+++ b/backend/templates/sql_examples/DM.yaml
@@ -52,6 +52,7 @@ template:
             COUNT("t1"."订单ID") AS "total_orders",
             TO_CHAR("t1"."折扣率" * 100, '990.99') || '%' AS "discount_percent"
           FROM "TEST"."ORDERS" "t1"
+          GROUP BY "t1"."订单ID", "t1"."金额", "t1"."折扣率"
           LIMIT 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/Doris.yaml b/backend/templates/sql_examples/Doris.yaml
index b973c529..9e16b759 100644
--- a/backend/templates/sql_examples/Doris.yaml
+++ b/backend/templates/sql_examples/Doris.yaml
@@ -53,6 +53,7 @@ template:
             COUNT(`t1`.`订单ID`) AS `total_orders`,
             CONCAT(ROUND(`t1`.`折扣率` * 100, 2), '%') AS `discount_percent`
           FROM `test`.`orders` `t1`
+          GROUP BY `t1`.`订单ID`, `t1`.`金额`, `t1`.`折扣率`
           LIMIT 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/Hive.yaml b/backend/templates/sql_examples/Hive.yaml
index 813f6ab5..f7998b93 100644
--- a/backend/templates/sql_examples/Hive.yaml
+++ b/backend/templates/sql_examples/Hive.yaml
@@ -52,6 +52,7 @@ template:
             COUNT(`t1`.`订单ID`) AS `total_orders`,
             CONCAT(CAST(ROUND(`t1`.`折扣率` * 100, 2) AS STRING), '%') AS `discount_percent`
           FROM `ods`.`orders` `t1`
+          GROUP BY `t1`.`订单ID`, `t1`.`金额`, `t1`.`折扣率`
           LIMIT 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/Microsoft_SQL_Server.yaml b/backend/templates/sql_examples/Microsoft_SQL_Server.yaml
index 856ac2a6..31bc77c5 100644
--- a/backend/templates/sql_examples/Microsoft_SQL_Server.yaml
+++ b/backend/templates/sql_examples/Microsoft_SQL_Server.yaml
@@ -52,6 +52,7 @@ template:
             COUNT([o].[订单ID]) AS [total_orders],
             CONVERT(VARCHAR, ROUND([o].[折扣率] * 100, 2)) + '%' AS [discount_percent]
           FROM [Sales].[Orders] [o]
+          GROUP BY [o].[订单ID], [o].[金额], [o].[折扣率]
         </output-good>
       </example>
 
diff --git a/backend/templates/sql_examples/MySQL.yaml b/backend/templates/sql_examples/MySQL.yaml
index 1335ec9e..36e27e81 100644
--- a/backend/templates/sql_examples/MySQL.yaml
+++ b/backend/templates/sql_examples/MySQL.yaml
@@ -51,6 +51,7 @@ template:
             COUNT(`t1`.`订单ID`) AS `total_orders`,
             CONCAT(ROUND(`t1`.`折扣率` * 100, 2), '%') AS `discount_percent`
           FROM `test`.`orders` `t1`
+          GROUP BY `t1`.`订单ID`, `t1`.`金额`, `t1`.`折扣率`
           LIMIT 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/Oracle.yaml b/backend/templates/sql_examples/Oracle.yaml
index 26e75297..e3c52288 100644
--- a/backend/templates/sql_examples/Oracle.yaml
+++ b/backend/templates/sql_examples/Oracle.yaml
@@ -116,6 +116,7 @@ template:
             COUNT("t1"."订单ID") AS "total_orders",
             TO_CHAR("t1"."折扣率" * 100, '990.99') || '%' AS "discount_percent"
           FROM "TEST"."ORDERS" "t1"
+          GROUP BY "t1"."订单ID", "t1"."金额", "t1"."折扣率"
           WHERE ROWNUM <= 100
         </output-good>
       </example>
diff --git a/backend/templates/sql_examples/PostgreSQL.yaml b/backend/templates/sql_examples/PostgreSQL.yaml
index 42a9cfe4..268e8b7b 100644
--- a/backend/templates/sql_examples/PostgreSQL.yaml
+++ b/backend/templates/sql_examples/PostgreSQL.yaml
@@ -46,6 +46,7 @@ template:
             COUNT("t1"."订单ID") AS "total_orders",
             ROUND("t1"."折扣率" * 100, 2) || '%' AS "discount_percent"
           FROM "TEST"."ORDERS" "t1"
+          GROUP BY "t1"."订单ID", "t1"."金额", "t1"."折扣率"
           LIMIT 100
         </output-good>
       </example>