diff --git a/src/DatabaseServices/Entity/Board.ts b/src/DatabaseServices/Entity/Board.ts
index 3e9e6dd28..6999122b8 100644
--- a/src/DatabaseServices/Entity/Board.ts
+++ b/src/DatabaseServices/Entity/Board.ts
@@ -1321,7 +1321,10 @@ export class Board extends ExtrudeSolid
     /**
      * 这个函数生成了二维刀路的csg数组,并且同时生成了_2DPathDrawObject(二维刀路提刀线框显示对象)
      */
+    //del_exp_start
     private Get2DPathCsgs(): Geom3[]
+    //del_exp_end
+    //del_exp_start//del_exp_end Get2DPathCsgs(): Geom3[]
     {
         if (this._2DPathCsgs)
             return this._2DPathCsgs;