新客立减修改

cash-service/market-service/src/main/java/com/czg/service/market/service/impl/MkConsumeDiscountServiceImpl.java

@@ -55,6 +55,14 @@ public class MkConsumeDiscountServiceImpl extends ServiceImpl<MkConsumeDiscountM
             if (consumeDiscountDTO.getRandomDiscountList() == null || consumeDiscountDTO.getRandomDiscountList().isEmpty()) {
                 throw new ApiNotPrintException("随机优惠金额不能为空");
             }
+        }else  {
+            if (consumeDiscountDTO.getDiscountAmount() == null) {
+                throw new ApiNotPrintException("减免金额不能为空");
+            }
+            
+            if (consumeDiscountDTO.getDiscountAmount().compareTo(BigDecimal.ZERO) <= 0) {
+                throw new ApiNotPrintException("减免金额不能等于0");
+            }
         }
 
         MkConsumeDiscount consumeDiscount = getOne(new QueryWrapper().eq(MkConsumeDiscount::getShopId, shopId));