docs: def get_elements(self, dat, multiple=False, retry=1, **kwargs):
          """
              映射 dat:dict => ``find_element_by_dat.key`` 来查找元素
  
          :param dat: a dict like {'name': <the ele name>}
          :type dat: dict
          :param multiple:
          :type multiple: bool
          :param retry:
          :type retry: int
          :return:
          :rtype:
          """
          if not isinstance(dat, dict):
              return dat
  
          while retry > 0:
              for k, v in dat.items():
                  try:
                      # 获取成功, 直接返回
                      return getattr(self.driver, gen_find_method(k, multiple, kwargs.get('extra_maps')))(v)
                  except WebDriverException as _:
                      if not kwargs.get('skip_log'):
                          log.warning('[{}]: {}'.format(dat, _))
                  finally:
                      retry -= 1
              raise ValueError(dat)