导出功能优化

@@ -182,6 +182,7 @@ class Registers extends Backend
                 $this->model = new \app\admin\model\ServiceOrder();
                 $order_flag = 1;
             }
+            dump($order_flag);exit;
             $importHeadType = isset($this->importHeadType) ? $this->importHeadType : 'comment';
             $table = $this->model->getQuery()->getTable();
             $database = \think\Config::get('database.database');