sunyu::update::fix bug about NPE

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

@@ -2248,7 +2248,7 @@ public class ShoppingCartMCoffeeServiceImpl {
             int seedCouponGoodsCount = 0;
             for (CartGoods cartGoods : oldCartGoodsList) {
                 //1.种子券商品券信息与月卡信息一致
-                if (!addShoppingCartGoodsRequestVo.getCouponCode().equals(cartGoods.getMonthCardInfo().getCardCode())){
+                if (null != cartGoods.getMonthCardInfo() && !addShoppingCartGoodsRequestVo.getCouponCode().equals(cartGoods.getMonthCardInfo().getCardCode())){
                     throw new ServiceException(ResponseResult.SHOPPING_CART_COUPON_NOT_EXIST);
                 }
                 if (cartGoods.getIsMonthCard()>0){