public bool SaveConfig(SummaryCountModel model)
        {
            try
            {
                if (model == null)
                {
                    return(false);
                }

                if (!Directory.Exists(configPath))
                {
                    Directory.CreateDirectory(configPath);
                }

                string path = configPath + fileName;
                //把配置信息写入文件
                string json = JsonConvert.SerializeObject(model);
                File.WriteAllText(path, json);

                return(true);
            }
            catch (Exception)
            {
                return(false);
            }
        }
        public SummaryCountModel GetHistory()
        {
            SummaryCountModel model;
            string            path = configPath + fileName;

            try
            {
                if (File.Exists(path))
                {
                    string config = File.ReadAllText(path);
                    model = JsonConvert.DeserializeObject <SummaryCountModel>(config);
                }
                else
                {
                    model = new SummaryCountModel();
                }
                return(model);
            }
            catch (Exception)
            {
                return(null);
            }
        }