https://blog.wongcw.com/2022/07/09/segway%e6%8e%a8%e5%87%ba%e5%85%a8%e6%87%b8%e6%8e%9b%e5%bc%8f%e9%ab%98%e7%ab%af%e9%9b%bb%e5%8b%95%e6%bb%91%e6%9d%bf%e8%bb%8a/