fix

src/component/Canvas/CanvasEditor/managers/LayerManager.js

@@ -109,6 +109,7 @@ export class LayerManager {
       layers: this.layers,
       commandManager: this.commandManager,
       canvasManager: this.canvasManager,
+	  layerManager: this,
     });
 
     // 编辑器模式：draw(绘画)、select(选择)、pan(拖拽)