fix:库存校验

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

@@ -1534,9 +1534,10 @@ public class ShoppingCartNewServiceImpl implements ShoppingCartNewService {
         if (CollectionUtils.isEmpty(allCartGoodsList)) {
             qty = cartGoods.getQty();
         } else {
+            qty = cartGoods.getQty();
             for (CartGoods goods : allCartGoodsList) {
                 if (goods.getSkuId().equals(cartGoods.getSkuId()) && goods.getSpuId().equals(cartGoods.getSpuId())) {
-                    qty = qty + cartGoods.getQty();
+                    qty += goods.getQty();
                 }
             }
         }