code: def uniqid(iface='wlan0', is_hex=True):
      
      # return str(appid.getnode()) if not is_hex else str(hex(appid.getnode()))[2:-1]
      m_ = get_addr(iface)
      m_ = ''.join(m_.split(':')) if m_ else m_
      if m_ and not is_hex:
          m_ = str(int(m_.upper(), 16))
      return m_
docs: 使用网卡的物理地址 ``默认wlan0`` 来作为标识
  
      - 置位 ``is_hex``, 来确定返回 ``16进制/10进制格式``
  
      :param iface: ``网络接口(默认wlan0)``
      :type iface: str
      :param is_hex: ``True(返回16进制)/False(10进制)``
      :type is_hex: bool
      :return: ``mac地址/空``
      :rtype: str