sunyu::update::fix bug about iteator

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

@@ -360,20 +360,24 @@ public class ShoppingCartMCoffeeServiceImpl {
             if (Objects.equals(1,goods.getIsMonthCard())
                     && goods.getCartGoodsUid().equals(updateShoppingCartGoodsQtyRequestVo.getCartGoodsUid())){
                 if (updateShoppingCartGoodsQtyRequestVo.getQty() == 0){
-                    Iterator<CartGoods> cartGoodsIterator = cartGoodsList.iterator();
-                    while (cartGoodsIterator.hasNext()){
-                        String couponCode = null != cartGoodsIterator.next() ?
-                                cartGoodsIterator.next().getCouponCode() : "";
-                        if (cartGoodsList.size()>1 && StringUtils.isNotEmpty(couponCode) && couponCode.equals(goods.getMonthCardInfo().getCardCode())){
-                            cartGoodsIterator.remove();
-                            break;
-                        }else{
-                            cartGoodsList = new ArrayList<>();
+                    if (cartGoodsList.size()>1) {
+                        Iterator<CartGoods> cartGoodsIterator = cartGoodsList.iterator();
+                        while (cartGoodsIterator.hasNext()) {
+                            String couponCode = null != cartGoodsIterator.next() ?
+                                    cartGoodsIterator.next().getCouponCode() : "";
+                            if (StringUtils.isNotEmpty(couponCode) && couponCode.equals(goods.getMonthCardInfo().getCardCode()))
+                            {
+                                cartGoodsIterator.remove();
+                                break;
+                            }
                         }
+                    }else{
+                        cartGoodsList = new ArrayList<>();
                     }
                 }
                 if (updateShoppingCartGoodsQtyRequestVo.getQty()>10) {
-                    throw new ServiceException(ResponseResult.SHOPPING_CART_QTY_LIMIT_ERR);
+                    return ResponseUtil.success(ResponseResult.SHOPPING_CART_QTY_LIMIT_ERR);
+//                    throw new ServiceException(ResponseResult.SHOPPING_CART_QTY_LIMIT_ERR);
                 }
             }
         }