diff --git a/cash-common/cash-common-service/src/main/java/com/czg/market/service/MkShopConsumeDiscountRecordService.java b/cash-common/cash-common-service/src/main/java/com/czg/market/service/MkShopConsumeDiscountRecordService.java
index eece1bf3..0db8ba0e 100644
--- a/cash-common/cash-common-service/src/main/java/com/czg/market/service/MkShopConsumeDiscountRecordService.java
+++ b/cash-common/cash-common-service/src/main/java/com/czg/market/service/MkShopConsumeDiscountRecordService.java
@@ -22,7 +22,7 @@ public interface MkShopConsumeDiscountRecordService extends IService<MkShopConsu
      */
     MkShopConsumeDiscountRecord getDiscount(Long shopId, Long userId, Long orderId);
 
-    boolean canUseDiscount(Long shopId, Long userId, BigDecimal amount);
+    void canUseDiscount(Long shopId, Long userId, BigDecimal amount);
 
     /**
      * 修改记录状态
diff --git a/cash-service/market-service/src/main/java/com/czg/service/market/service/impl/MkShopConsumeDiscountRecordServiceImpl.java b/cash-service/market-service/src/main/java/com/czg/service/market/service/impl/MkShopConsumeDiscountRecordServiceImpl.java
index ad921724..9851634f 100644
--- a/cash-service/market-service/src/main/java/com/czg/service/market/service/impl/MkShopConsumeDiscountRecordServiceImpl.java
+++ b/cash-service/market-service/src/main/java/com/czg/service/market/service/impl/MkShopConsumeDiscountRecordServiceImpl.java
@@ -64,20 +64,19 @@ public class MkShopConsumeDiscountRecordServiceImpl extends ServiceImpl<MkShopCo
     }
 
     @Override
-    public boolean canUseDiscount(Long shopId, Long userId, BigDecimal amount) {
+    public void canUseDiscount(Long shopId, Long userId, BigDecimal amount) {
         checkOpen(shopId);
         ShopUser shopUser = shopUserService.getShopUserInfo(shopId, userId);
         long count = orderInfoService.count(new QueryWrapper().eq(OrderInfo::getUserId, shopUser.getUserId())
                 .eq(OrderInfo::getShopId, shopUser.getSourceShopId()).eq(OrderInfo::getStatus, OrderStatusEnums.DONE));
-        if (count > 0) {
-            return false;
-        }
+        AssertUtil.isTrue(count > 0, "新客立减仅限新用户使用");
+
 
         long recordCount = count(new QueryWrapper().eq(MkShopConsumeDiscountRecord::getShopId, shopId).eq(MkShopConsumeDiscountRecord::getShopUserId, shopUser.getId())
                 .eq(MkShopConsumeDiscountRecord::getIsUse, 1));
 
+        AssertUtil.isTrue(recordCount > 0, "新客立减已使用");
 
-        return recordCount <= 0;
     }
 
     @Override