diff --git a/src/DatabaseServices/Entity/Entity.ts b/src/DatabaseServices/Entity/Entity.ts
index 9818b1b4e..b970201b9 100644
--- a/src/DatabaseServices/Entity/Entity.ts
+++ b/src/DatabaseServices/Entity/Entity.ts
@@ -78,7 +78,7 @@ export class Entity extends CADObject
     {
         if (materialId === this._MaterialId) return;
 
-        if (materialId?.Object)
+        if (this._db && materialId?.Object)//我们放宽校验,当图形未加入到图纸时,我们允许它任意设置材质
         {
             if (!(materialId.Object instanceof PhysicalMaterialRecord))
                 throw "程序内部错误!设置材质错误:该对象不是材质";