增加序列化

mec-biz/src/main/java/com/ym/mec/biz/dal/dto/MemberPayParamDto.java

@@ -1,8 +1,9 @@
 package com.ym.mec.biz.dal.dto;
 
+import java.io.Serializable;
 import java.math.BigDecimal;
 
-public class MemberPayParamDto extends PayParamBasicDto {
+public class MemberPayParamDto extends PayParamBasicDto implements Serializable {
 
     //前端录入实际缴费金额
     private BigDecimal amount;