开发:清理代码

src/DatabaseServices/CADObject.ts

@@ -144,8 +144,7 @@ export abstract class CADObject
             id.Object = this;
         }
         this._isErase = file.Read();
-        if (ver > 1)
+        if (ver > 1) this._Owner = file.ReadObjectId();
-            this.Owner = file.ReadObjectId();
     }
     //对象将自身数据写入到文件.
     WriteFile(file: CADFiler)
@@ -153,7 +152,7 @@ export abstract class CADObject
         file.Write(2);
         file.WriteObjectId(this.objectId);
         file.Write(this._isErase);
-        file.WriteObjectId(this.Owner);
+        file.WriteObjectId(this._Owner);
     }
     //局部撤销
     ApplyPartialUndo(undoData: ISerialize)