fix bug

src/app/routes/datatable/components/datascreen/map/map.component.ts

@@ -49,7 +49,6 @@ export class DatatableCustomindexMapComponent implements OnInit, OnChanges {
       this.chart = new Chart({
         container: el,
         autoFit: true,
-        height: 680,
         padding: [0, 0]
       });
       this.chart.tooltip({
@@ -108,6 +107,10 @@ export class DatatableCustomindexMapComponent implements OnInit, OnChanges {
        });
        console.log(value);
        this.userData = value
+       
+if (!(this.userData instanceof Array) || this.userData.length === 0) {
+	return;
+  }
     this.userDv = this.ds.createView().source(this.userData).transform({
         geoDataView: this.worldMap,
         field: 'name',