diff --git a/src/app/cesium-map/csmap.clipboard.component.ts b/src/app/cesium-map/csmap.clipboard.component.ts
index 225e4863..2b849ece 100644
--- a/src/app/cesium-map/csmap.clipboard.component.ts
+++ b/src/app/cesium-map/csmap.clipboard.component.ts
@@ -29,6 +29,8 @@ export class CsMapClipboardComponent implements OnInit {
   public isFilterLayerShown: boolean;
   public isDrawingPolygon: boolean;
   kmlFileName = '';
+  roiNameList = [];
+
 
 
   constructor(private csClipboardService: CsClipboardService, private userStateService: UserStateService, private downloadWfsService: DownloadWfsService) {
@@ -56,9 +58,11 @@ export class CsMapClipboardComponent implements OnInit {
   onRoiSave(event) {
     if (this.polygonBBox === null) return;
     let roiPolygon= this.polygonBBox;
-    let strToday=new Date(); 
-    let dt= new Date(strToday).toISOString();
-    roiPolygon.name = 'ROI-' + dt.slice(0,dt.lastIndexOf('.'));
+    if (this.roiNameList.includes(roiPolygon.name)) {
+      console.log('existed already:'+ roiPolygon.name);
+      return;
+    }
+    this.roiNameList.push(roiPolygon.name);
     this.userStateService.roiList.push(roiPolygon);
     this.userStateService.saveROI();
   }
diff --git a/src/app/menupanel/common/filterpanel/filterpanel.component.ts b/src/app/menupanel/common/filterpanel/filterpanel.component.ts
index 060e27c9..a85523cc 100644
--- a/src/app/menupanel/common/filterpanel/filterpanel.component.ts
+++ b/src/app/menupanel/common/filterpanel/filterpanel.component.ts
@@ -146,8 +146,11 @@ export class FilterPanelComponent implements OnInit, AfterViewInit {
         if (optFilter['value'] && optFilter['type'] === 'OPTIONAL.POLYGONBBOX') {
           const geometry = optFilter['value'];
           const swappedGeometry = this.csClipboardService.swapGeometry(geometry);
+          let strToday=new Date(); 
+          let dt= new Date(strToday).toISOString();
+          const name = 'Polygon-' + dt.slice(0,dt.lastIndexOf('.'));
           const newPolygon:Polygon = {
-            name: 'Polygon created',
+            name: name,
             srs: 'EPSG:4326',
             geometryType: GeometryType.POLYGON,
             coordinates: swappedGeometry