public JsonResult CheckLimitTimeBuy(string skuIds, string counts)
        {
            var skuIdsArr      = skuIds.Split(',');
            var pCountsArr     = counts.TrimEnd(',').Split(',').Select(t => int.Parse(t));
            var productService = _iProductService;
            int index          = 0;
            var products       = skuIdsArr.Select(item =>
            {
                var sku   = productService.GetSku(item);
                var count = pCountsArr.ElementAt(index++);
                return(new CartItemModel()
                {
                    id = sku.ProductId,
                    count = count
                });
            }).ToList().FirstOrDefault();

            int exist        = _iLimitTimeBuyService.GetMarketSaleCountForUserId(products.id, CurrentUser.Id);
            int MaxSaleCount = 0;
            var model        = _iLimitTimeBuyService.GetLimitTimeMarketItemByProductId(products.id);

            if (model != null)
            {
                MaxSaleCount = model.LimitCountOfThePeople;
            }
            return(Json(new { success = MaxSaleCount >= exist + products.count, maxSaleCount = MaxSaleCount, remain = MaxSaleCount - exist }));
        }