From 4914cf6e2a6c676df5707de1ba45b581aaceb973 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Mon, 4 Jul 2022 15:40:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=80=E5=8F=91:=E4=BB=A3=E7=A0=81=E5=81=A5?=
 =?UTF-8?q?=E5=A3=AE=E6=80=A7?=
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---
 src/DatabaseServices/Entity/Board.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/DatabaseServices/Entity/Board.ts b/src/DatabaseServices/Entity/Board.ts
index ff6cb4351..a5b8ea14a 100644
--- a/src/DatabaseServices/Entity/Board.ts
+++ b/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();