boundaryDownloadFile({ type: 1 }).then(res => {
        var reader = new FileReader();
        reader.readAsText(res);
        reader.onload = function () {
          if (this.readyState === 2) {
            let result = JSON.parse(this.result);
            MapBoxService.drawRoadLine(result, this.mapBoxMap, 'device-roadline');
          }
        }
      });