开发:代码健壮性

src/DatabaseServices/Entity/Board.ts

@@ -874,6 +874,8 @@ export class Board extends ExtrudeSolid
             return this;
         }
 
+        this.ContourCurve;//因为下面翻转孔面的代码,所以必须初始化这个
+
         let hasSplitSize = (this.BoardProcessOption[EBoardKeyList.SpliteHeight]
             && this.BoardProcessOption[EBoardKeyList.SpliteWidth]
             && this.BoardProcessOption[EBoardKeyList.SpliteThickness]
@@ -883,7 +885,7 @@ export class Board extends ExtrudeSolid
 
         super.ApplyMirrorMatrix(m);
 
-        if (this.contourCurve && this.contourCurve.Area2 < 0)
+        if (this.contourCurve.Area2 < 0)
         {
             this.contourCurve.Reverse();
             highSeals.reverse();