/// <summary>
        /// 查找实体集合
        /// </summary>
        /// <param name="ids">实体标识集合</param>
        public async Task <List <TEntity> > FindByIdsAsync(params TKey[] ids)
        {
            var pos = await _store.FindByIdsAsync(ids);

            return(pos.Select(ToEntity).ToList());
        }