code: public function bakup()
      {
          $res = DatabaseLogic::instance()->addBakup($this->user_id);
          if ($res['code'] == 1) {
              return $this->success($res['msg'], Url::build('database/bakupLog'));
          } else {
              return $this->error($res['msg']);
          }
      }
docs: 备份表
  
  @return mixed