From 30d66ff5dd2953cb3c961307e756bef5158dabeb Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Wed, 26 May 2021 09:54:02 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=80=E5=8F=91:=E6=B8=85=E7=90=86?=
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---
 src/DatabaseServices/Entity/Entity.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/DatabaseServices/Entity/Entity.ts b/src/DatabaseServices/Entity/Entity.ts
index 36bd26934..b457859e9 100644
--- a/src/DatabaseServices/Entity/Entity.ts
+++ b/src/DatabaseServices/Entity/Entity.ts
@@ -72,6 +72,8 @@ export class Entity extends CADObject
 
     set Material(materialId: ObjectId)
     {
+        if (materialId === this.materialId) return;
+
         this.WriteAllObjectRecord();
         this.materialId = materialId;
         for (let [type, obj] of this._CacheDrawObject)