退出编辑操作时,清理蒙板.

src/UI/Store/RightPanelStore/BoardEdgesEditor.ts

@@ -73,6 +73,8 @@ export class BoardEdgesEditor
         this.Editoring = false;
         this.Board = undefined;
         this.CameraFiler = undefined;
+
+        app.Editor.MaskManage.Clear();
     }
 
     private Start()