public override void Process(IList <ResultItems> resultItems)
        {
            IList <IDictionary <string, object> > list = new List <IDictionary <string, object> >();

            foreach (var item in resultItems)
            {
                list.Add(item);
            }

            if (list.Count > 0)
            {
                _store.Save(list);
            }

            // TODO 保存失败后,是否重试?
        }