fix: 优惠券为空不消耗券

src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java

@@ -1590,6 +1590,9 @@ public class CartService {
     }
 
     private void consumeCoupon(List<TbActivateOutRecord> outRecordList, Integer memberId, TbOrderInfo orderInfo) {
+        if (outRecordList.isEmpty()) {
+            return;
+        }
         boolean use = shopCouponService.use(Integer.valueOf(orderInfo.getShopId()), orderInfo.getId(), memberId, outRecordList);
         if (!use) {
             throw new MsgException("消耗券失败");