code: def query_all(current_page_num=1):
          '''
          查询所有未登录用户的访问记录
          ToDo:  ``None`` ?
          '''
          return TabLog.select().where(TabLog.user_id == 'None').order_by(TabLog.time_out.desc()).paginate(
              current_page_num, CMS_CFG['list_num']
          f query_all(current_page_num=1):
          '''
          查询所有未登录用户的访问记录
          ToDo:  ``None`` ?
          '''
          return TabLog.select().where(TabLog.user_id == 'None').order_by(TabLog.time_out.desc()).paginate(
              current_page_num, CMS_CFG['list_num']
          )
docs: 查询所有未登录用户的访问记录
          ToDo:  ``None`` ?