diff --git a/hai-service/src/main/java/com/hai/dao/HighCouponCodeMapperExt.java b/hai-service/src/main/java/com/hai/dao/HighCouponCodeMapperExt.java
index 3a5af58b..5456b1b4 100644
--- a/hai-service/src/main/java/com/hai/dao/HighCouponCodeMapperExt.java
+++ b/hai-service/src/main/java/com/hai/dao/HighCouponCodeMapperExt.java
@@ -57,7 +57,7 @@ public interface HighCouponCodeMapperExt {
     })
     void insertList(@Param(value = "list") List<HighCouponCode> list);
 
-    @Select("select * from high_coupon_code where child_order_id = (SELECT b.id child_order_id FROM high_order a,high_child_order b where a.mem_discount_id = #{discountUserRelId} and a.id = b.order_id and b.goods_type = 1 and b.child_orde_status in (2,3,4))")
+    @Select("select * from high_coupon_code where child_order_id = (SELECT b.id child_order_id FROM high_order a,high_child_order b where a.mem_discount_id = #{discountUserRelId} and a.id = b.order_id and b.goods_type = 1 and b.child_orde_status in (2,3,4) GROUP BY a.mem_discount_id)")
     @Results({
             @Result(column="id", property="id", jdbcType= JdbcType.BIGINT, id=true),
             @Result(column="coupon_id", property="couponId", jdbcType=JdbcType.BIGINT),