diff --git a/src/Add-on/twoD2threeD/Rect2Board.ts b/src/Add-on/twoD2threeD/Rect2Board.ts
index 9d9c39239..9bf3e2151 100644
--- a/src/Add-on/twoD2threeD/Rect2Board.ts
+++ b/src/Add-on/twoD2threeD/Rect2Board.ts
@@ -134,9 +134,13 @@ class Rect2BoardTool2
                     br.BoardProcessOption[EBoardKeyList.BrMat] = boardMatName;
                     br.BoardProcessOption[EBoardKeyList.Color] = color;
                 }
-                app.Database.ModelSpace.Append(br);
+                // :93 行代码在解析空间时会遍历ModelSpace所有实体 这里暂时不Append到ModelSpace
+                totalBrs.push(br);
             }
         }
+
+        for (let br of totalBrs)
+            app.Database.ModelSpace.Append(br);
     }
 
     /**