feat: 优化部分问题，完善选区功能

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

@@ -1059,7 +1059,7 @@ export class CanvasManager {
 
               console.log("画布JSON数据加载完成");
               // 画布初始化事件
-              this.handleCanvasInit?.(ture);
+              this.handleCanvasInit?.(true);
               resolve();
             } catch (error) {
               console.error("恢复图层数据失败:", error);