序列化

cash-common/cash-common-service/src/main/java/com/czg/market/dto/MemberLevelDTO.java

@@ -84,7 +84,7 @@ public class MemberLevelDTO implements Serializable {
     private Integer isCostRewardPoints;
 
     @Data
-    public static class ConfigCoupon {
+    public static class ConfigCoupon implements Serializable{
         @Min(value = 1, message = "数量不能小于1")
         private Integer num;
         private ShopCoupon coupon;