diff --git a/luoo_user/src/main/java/com/luoo/user/pojo/LotteryUser.java b/luoo_user/src/main/java/com/luoo/user/pojo/LotteryUser.java
index ccb8868..8111931 100644
--- a/luoo_user/src/main/java/com/luoo/user/pojo/LotteryUser.java
+++ b/luoo_user/src/main/java/com/luoo/user/pojo/LotteryUser.java
@@ -2,6 +2,8 @@ package com.luoo.user.pojo;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import io.swagger.annotations.ApiModelProperty;
+
+import java.io.Serializable;
 import java.time.LocalDateTime;
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -32,8 +34,9 @@ import org.springframework.format.annotation.DateTimeFormat;
 @DynamicUpdate
 @Table(name = "tb_lottery_user")
 @EntityListeners(AuditingEntityListener.class)
-public class LotteryUser {
+public class LotteryUser implements Serializable {
 
+  private static final long serialVersionUID = 1940936291174863923L;
   @Id
   @Size(max = 20)
   @Column(name = "id", nullable = false, length = 20)