/// <summary>
        /// 获取轮播信息
        /// </summary>
        /// <param name="count">每次获取最新的N条</param>
        /// <returns></returns>
        public async Task <OperationResult <List <SliceShowInfoModel> > > GetSliceShowInfoAsync(int count = 10)
        {
            if (count < 1 || count > 100)
            {
                return(OperationResult.FromError <List <SliceShowInfoModel> >(ErrorCode.ParameterError, "参数不正确"));
            }
            var result = await BargainManager.GetSliceShowInfo(count);

            return(OperationResult.FromResult(result));
        }