diff --git a/src/editor/core/draw/Draw.ts b/src/editor/core/draw/Draw.ts
index 0f046bd..e1c9665 100644
--- a/src/editor/core/draw/Draw.ts
+++ b/src/editor/core/draw/Draw.ts
@@ -836,6 +836,9 @@ export class Draw {
     if (this.listener.pageScaleChange) {
       this.listener.pageScaleChange(payload)
     }
+    if (this.eventBus.isSubscribe('pageScaleChange')) {
+      this.eventBus.emit('pageScaleChange', payload)
+    }
   }
 
   public getPagePixelRatio(): number {