diff --git a/src/main/java/com/cultural/heritage/model/dto/coupon/CouponAddRequest.java b/src/main/java/com/cultural/heritage/model/dto/coupon/CouponAddRequest.java
index 5075c50..f2744be 100644
--- a/src/main/java/com/cultural/heritage/model/dto/coupon/CouponAddRequest.java
+++ b/src/main/java/com/cultural/heritage/model/dto/coupon/CouponAddRequest.java
@@ -4,7 +4,6 @@ import lombok.Data;
 
 import java.io.Serial;
 import java.io.Serializable;
-import java.util.Date;
 
 @Data
 public class CouponAddRequest implements Serializable {
@@ -52,13 +51,13 @@ public class CouponAddRequest implements Serializable {
     /**
      * 有效开始日期
      */
-    private Date startTime;
+    private String startTime;
 
 
     /**
      * 有效截止日期
      */
-    private Date endTime;
+    private String endTime;
 
 
     /**
diff --git a/src/main/java/com/cultural/heritage/model/dto/coupon/CouponUpdateRequest.java b/src/main/java/com/cultural/heritage/model/dto/coupon/CouponUpdateRequest.java
index fbe50c3..5f778b9 100644
--- a/src/main/java/com/cultural/heritage/model/dto/coupon/CouponUpdateRequest.java
+++ b/src/main/java/com/cultural/heritage/model/dto/coupon/CouponUpdateRequest.java
@@ -4,7 +4,6 @@ import lombok.Data;
 
 import java.io.Serial;
 import java.io.Serializable;
-import java.util.Date;
 
 @Data
 public class CouponUpdateRequest implements Serializable {
@@ -52,12 +51,12 @@ public class CouponUpdateRequest implements Serializable {
     /**
      * 有效开始日期
      */
-    private Date startTime;
+    private String startTime;
 
     /**
      * 有效截止日期
      */
-    private Date endTime;
+    private String endTime;
 
 
     /**
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 65684e2..26bac2b 100644
--- a/src/main/java/com/cultural/heritage/model/entity/Coupon.java
+++ b/src/main/java/com/cultural/heritage/model/entity/Coupon.java
@@ -7,7 +7,6 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.Data;
-import org.springframework.format.annotation.DateTimeFormat;
 
 import java.io.Serial;
 import java.io.Serializable;
@@ -74,15 +73,13 @@ public class Coupon implements Serializable {
     /**
      * 有效开始日期
      */
-    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
-    private Date startTime;
+    private String startTime;
 
 
     /**
      * 有效截止日期
      */
-    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
-    private Date endTime;
+    private String endTime;
 
     /**
      * 作用范围