sunyu::update::fix bug about NPE

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

@@ -435,7 +435,7 @@ public class ShoppingCartMCoffeeServiceImpl {
                 cartGoodsList, coupons, new ArrayList<>(), shoppingCartGoodsResponseVo,null);
 
         // 促销算价若未返回优惠信息有可能会变更购物车数据，重新存储最新购物车,并进行新一次的算价
-        if (shoppingCartGoodsResponseVo.getChanged()) {
+        if (null != shoppingCartGoodsResponseVo.getChanged() &&shoppingCartGoodsResponseVo.getChanged()) {
             assortmentSdkService.setShoppingCart(partnerId, storeId, userId, cartGoodsList, sessionId, "", shoppingCartBaseService);
             // 促销活动的优惠金额计算
             calculationService.updateShoppingCartGoodsDiscount(partnerId, storeId, userId, appId, orderType, assortmentCustomerInfoVo.isMemberPaid(), menuType, receiveId, couponCode,