优化

mp-service/src/main/java/com/qs/mp/user/service/impl/UserCouponServiceImpl.java

@@ -112,7 +112,7 @@ public class UserCouponServiceImpl extends ServiceImpl<UserCouponMapper, UserCou
             .le("t1.valid_start", DateUtils.getToday()).ge("t1.valid_end", DateUtils.getToday())
             .le("t2.min_order_amt", orderAmt)
             .le("t2.discount", orderAmt)
-            .orderByDesc("t2.discount"));
+            .orderByDesc("t2.discount","t1.id"));
     return userCouponVOList;
   }
 }