diff --git a/package.json b/package.json
index 21b90a9..76fe10a 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "ngx-openlayers": "1.0.0-next.19",
     "ngx-uploadx": "^5.2.0",
     "ol": "6.14.1",
-    "ol-cesium": "^2.13.1",
+    "olcs": "^2.13.1",
     "resumablejs": "^1.1.0",
     "rxjs": "^6.6.7",
     "stream": "^0.0.2",
diff --git a/projects/common-map3d/src/fm-map3d/components/olcs/switch2d3d/switch2d3d.component.ts b/projects/common-map3d/src/fm-map3d/components/olcs/switch2d3d/switch2d3d.component.ts
index ab92fdf..4d5ed64 100644
--- a/projects/common-map3d/src/fm-map3d/components/olcs/switch2d3d/switch2d3d.component.ts
+++ b/projects/common-map3d/src/fm-map3d/components/olcs/switch2d3d/switch2d3d.component.ts
@@ -1,11 +1,9 @@
 import { Component, OnInit,Input,Host  } from '@angular/core';
-import { OldCircularArc } from 'arcgis-rest-api';
-import { Map } from 'ol';
 import { Interaction} from 'ol/interaction';
 import { MapComponent } from 'ngx-openlayers';
-import OLCesium from 'ol-cesium';
-
-declare var olcs: any;
+import OLCesium from 'olcs/OLCesium';
+import RasterSynchronizer from 'olcs/RasterSynchronizer';
+import VectorSynchronizer from 'olcs/VectorSynchronizer';
 
 @Component({
   selector: 'fm-map3d-switch2d3d',
@@ -30,8 +28,8 @@ export class Switch2D3DComponent {
    
     this.ol3d = new OLCesium({ map: this.map.instance, createSynchronizers: (map,scene) => {
         this.synchronizers = [
-            new olcs.RasterSynchronizer(map,scene),
-            new olcs.VectorSynchronizer(map,scene)
+            new RasterSynchronizer(map,scene),
+            new VectorSynchronizer(map,scene)
         ];
         this.loading=false;
         return this.synchronizers;