diff --git a/src/main/java/com/cultural/heritage/model/dto/good/GoodAddRequest.java b/src/main/java/com/cultural/heritage/model/dto/good/GoodAddRequest.java
index bc107ff..098c6f5 100644
--- a/src/main/java/com/cultural/heritage/model/dto/good/GoodAddRequest.java
+++ b/src/main/java/com/cultural/heritage/model/dto/good/GoodAddRequest.java
@@ -1,8 +1,6 @@
 package com.cultural.heritage.model.dto.good;
 
-import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableId;
 import lombok.Data;
 
 import java.io.Serializable;
diff --git a/src/main/java/com/cultural/heritage/model/entity/Coupon.java b/src/main/java/com/cultural/heritage/model/entity/Coupon.java
index ee980f4..93655e8 100644
--- a/src/main/java/com/cultural/heritage/model/entity/Coupon.java
+++ b/src/main/java/com/cultural/heritage/model/entity/Coupon.java
@@ -73,12 +73,14 @@ public class Coupon implements Serializable {
     /**
      * 有效开始日期
      */
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
     private Date startTime;
 
 
     /**
      * 有效截止日期
      */
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
     private Date endTime;
 
     /**