增加对象判空

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/BuyAndGiftsPromotionService.java

@@ -55,7 +55,7 @@ public class BuyAndGiftsPromotionService implements IPromotionService {
         }
         List<ActivityCalculationDiscountResponseDto.CalculationDiscountResult.SendActivity.SendGoods> sendGoodsList = new ArrayList<>();
         sendActivities.forEach(sendActivity -> sendGoodsList.addAll(sendActivity.getSendGoods()));
-        List<ProductBeanDTO> productBeanDTOS = buildActivityProduct(activityQueryDto, sendGoodsList,shoppingCartInfoRequestVo.getBusinessType());
+        List<ProductBeanDTO> productBeanDTOS = buildActivityProduct(activityQueryDto, sendGoodsList,shoppingCartInfoRequestVo==null?null:shoppingCartInfoRequestVo.getBusinessType());
         if (CollectionUtils.isEmpty(productBeanDTOS)) {
             return;
         }