diff --git a/cash-common/cash-common-service/src/main/java/com/czg/market/dto/ShopCouponDTO.java b/cash-common/cash-common-service/src/main/java/com/czg/market/dto/ShopCouponDTO.java
index 3d1027a5..bb3a19e9 100644
--- a/cash-common/cash-common-service/src/main/java/com/czg/market/dto/ShopCouponDTO.java
+++ b/cash-common/cash-common-service/src/main/java/com/czg/market/dto/ShopCouponDTO.java
@@ -1,15 +1,8 @@
 
 package com.czg.market.dto;
 
-import java.io.Serializable;
-import java.math.BigDecimal;
-import java.sql.Time;
-import java.time.LocalDateTime;
+import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson2.annotation.JSONField;
-import java.io.Serial;
-import java.util.Objects;
-
-import com.czg.validator.group.DefaultGroup;
 import com.czg.validator.group.InsertGroup;
 import com.czg.validator.group.UpdateGroup;
 import jakarta.validation.constraints.AssertTrue;
@@ -20,6 +13,12 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.io.Serial;
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.sql.Time;
+import java.time.LocalDateTime;
+
 /**
  * 优惠券信息表 实体类。
  *
@@ -80,7 +79,7 @@ public class ShopCouponDTO implements Serializable {
     /**
      * 有效期类型：fixed（固定时间），custom（自定义时间）
      */
-    @NotBlank(message = "有效期类型不能为空" ,groups = {InsertGroup.class, UpdateGroup.class})
+    @NotBlank(message = "有效期类型不能为空", groups = {InsertGroup.class, UpdateGroup.class})
     private String validType;
 
     /**
@@ -113,7 +112,7 @@ public class ShopCouponDTO implements Serializable {
     /**
      * 可用时间段类型：all-全时段，custom-指定时段
      */
-    @NotBlank(message = "可用时间段类型不能为空" ,groups = {InsertGroup.class, UpdateGroup.class})
+    @NotBlank(message = "可用时间段类型不能为空", groups = {InsertGroup.class, UpdateGroup.class})
     private String useTimeType;
 
     /**
@@ -129,7 +128,7 @@ public class ShopCouponDTO implements Serializable {
     /**
      * 发放设置：不可自行领取/no，可领取/yes
      */
-    @NotBlank(message = "发放设置不能为空" ,groups = {InsertGroup.class, UpdateGroup.class})
+    @NotBlank(message = "发放设置不能为空", groups = {InsertGroup.class, UpdateGroup.class})
     private String getType;
 
     /**
@@ -145,7 +144,7 @@ public class ShopCouponDTO implements Serializable {
     /**
      * 可领取用户：全部/all，新用户一次/new，仅会员/vip
      */
-    @NotBlank(message = "可领取用户不能为空" ,groups = {InsertGroup.class, UpdateGroup.class})
+    @NotBlank(message = "可领取用户不能为空", groups = {InsertGroup.class, UpdateGroup.class})
     private String getUserType;
 
     /**
@@ -241,7 +240,6 @@ public class ShopCouponDTO implements Serializable {
     private LocalDateTime updateTime;
 
 
-
     /**
      * 根据优惠券类型执行不同的校验规则
      */
@@ -259,20 +257,24 @@ public class ShopCouponDTO implements Serializable {
 //                return false;
 //            }
             // 校验满多少和减多少金额
-            return fullAmount != null && discountAmount != null;
+            return fullAmount != null && discountAmount != null
+                    && discountAmount.compareTo(BigDecimal.ZERO) > 0
+                    && fullAmount.compareTo(BigDecimal.ZERO) > 0
+                    && fullAmount.compareTo(discountAmount) > 0;
         }
 
         // 折扣券(3)校验
         if (couponType == 3) {
             // 校验折扣率、满多少可用和最大抵扣金额
             return discountRate != null && discountRate > 0 && discountRate <= 100
-                    && fullAmount != null && maxDiscountAmount != null;
+                    && fullAmount != null && fullAmount.compareTo(BigDecimal.ZERO) > 0
+                    && maxDiscountAmount != null && maxDiscountAmount.compareTo(BigDecimal.ZERO) > 0;
         }
 
         // 第二件半价券(4)、买一送一券(6)、商品兑换券(2)校验
         if (couponType == 2 || couponType == 4 || couponType == 6) {
             // 校验可用商品不为空且不为空字符串
-            if (foods == null || foods.trim().isEmpty()) {
+            if (StrUtil.isBlank(foods)) {
                 return false;
             }
             // 校验使用规则不为空
diff --git a/cash-common/cash-common-service/src/main/java/com/czg/market/entity/ShopCoupon.java b/cash-common/cash-common-service/src/main/java/com/czg/market/entity/ShopCoupon.java
index 61b13a00..9e04ea07 100644
--- a/cash-common/cash-common-service/src/main/java/com/czg/market/entity/ShopCoupon.java
+++ b/cash-common/cash-common-service/src/main/java/com/czg/market/entity/ShopCoupon.java
@@ -26,7 +26,7 @@ import lombok.NoArgsConstructor;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-@Table("tb_shop_coupon")
+@Table("mk_shop_coupon")
 public class ShopCoupon implements Serializable {
 
     @Serial