From 8d0febc0f1ab0204519c5065f0b3685a139c8c0c Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Thu, 30 Apr 2020 21:49:03 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D:=E5=85=B3=E8=81=94=E5=88=87?=
 =?UTF-8?q?=E5=89=B2=E5=AF=BC=E8=87=B4=E7=9A=84=E9=94=99=E8=AF=AF?=
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---
 src/DatabaseServices/Entity/Extrude.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/DatabaseServices/Entity/Extrude.ts b/src/DatabaseServices/Entity/Extrude.ts
index 320b9c5ee..7ef0f1808 100644
--- a/src/DatabaseServices/Entity/Extrude.ts
+++ b/src/DatabaseServices/Entity/Extrude.ts
@@ -1621,6 +1621,11 @@ export class ExtrudeSolid extends Entity
             return geo;
         }
 
+        if (this._MeshGeometry)
+        {
+            this._MeshGeometry.dispose();
+            this._MeshGeometry = undefined;
+        }
         this.MeshGeometry;
         return this._EdgeGeometry;
     }