//WidgetModel widgetModel, int? interval, string startDate, string endDate
        public override async Task <ResultValue> GetSystemData(Dictionary <string, object> parameterDictionary)
        {
            try
            {
                var widgetModel = parameterDictionary["WidgetModel"] as WidgetModel;
                var startDate   = parameterDictionary["StartDate"].ToString();
                var endDate     = parameterDictionary["EndDate"].ToString();

                var trackRealtimeDataResult = await TrackRealtimeService.GetRealtimeData(widgetModel.TableName, startDate, endDate, widgetModel.Dimensions + "," + widgetModel.TimeDimensions, widgetModel.Metrics, widgetModel.DataCount.ToString(), widgetModel.DataOrderBy);

                if (trackRealtimeDataResult == null)
                {
                    SystemData = new ResultValue
                    {
                        Key   = string.Empty,
                        Value = string.Empty
                    };
                }
                else
                {
                    var data = trackRealtimeDataResult;
                    SystemData = new ResultValue {
                        Key = "", Value = JsonConvert.SerializeObject(data)
                    };
                }
            }
            catch (Exception ex)
            {
                ShowMessage.Show("查询数据出错");
                LogHelper.LogMessage(MethodBase.GetCurrentMethod().DeclaringType, LogHelper.LogLevel, "Failed to GetSystemData", ex);
            }
            finally
            {
                if (LogHelper.LogLevel == LogLevelEnum.Debug || LogHelper.LogLevel == LogLevelEnum.Info)
                {
                    LogHelper.LogMessage(MethodBase.GetCurrentMethod().DeclaringType, LogHelper.LogLevel, "GetSystemData", null);
                }
            }

            return(SystemData);
        }