diff --git a/lib/index.js b/lib/index.js
index 0497a97..ad87389 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1226,12 +1226,12 @@ class VectorGraphicUtil {
         const registerScaleChange = function registerScaleChange(obj) {
             if (!obj.scaledListenerOn) {
                 obj.scaledListenerOn = true;
-                obj.getGraphicApp().on('viewport-scaled', onScaleChange);
+                obj.getCanvas().scene.on('viewport-scaled', onScaleChange);
             }
         };
         const unregisterScaleChange = function unregisterScaleChange(obj) {
             obj.scaledListenerOn = false;
-            obj.getGraphicApp().off('viewport-scaled', onScaleChange);
+            obj.getCanvas().scene.off('viewport-scaled', onScaleChange);
         };
         obj.onAddToCanvas = function onAddToCanvas() {
             obj.updateOnScaled();
diff --git a/package.json b/package.json
index 81147b5..71f8088 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graphic-pixi",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "description": "基于pixijs的图形应用、绘制应用框架",
   "productName": "Graphic-pixi",
   "author": "walker <shengxuqiang@joylink.club>",
diff --git a/src/graphic/VectorGraphic.ts b/src/graphic/VectorGraphic.ts
index d6c057c..d479182 100644
--- a/src/graphic/VectorGraphic.ts
+++ b/src/graphic/VectorGraphic.ts
@@ -18,14 +18,14 @@ export class VectorGraphicUtil {
     ): void {
       if (!obj.scaledListenerOn) {
         obj.scaledListenerOn = true;
-        obj.getGraphicApp().on('viewport-scaled', onScaleChange);
+        obj.getCanvas().scene.on('viewport-scaled', onScaleChange);
       }
     };
     const unregisterScaleChange = function unregisterScaleChange(
       obj: VectorGraphic
     ): void {
       obj.scaledListenerOn = false;
-      obj.getGraphicApp().off('viewport-scaled', onScaleChange);
+      obj.getCanvas().scene.off('viewport-scaled', onScaleChange);
     };
     obj.onAddToCanvas = function onAddToCanvas() {
       obj.updateOnScaled();