https://blog.wongcw.com/2018/10/14/%e8%af%84%e6%b5%8b%e7%99%be%e5%ba%a6%e4%ba%91%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%b5%8b%e8%af%95%e6%8a%a5%e5%91%8a-%e4%b8%89%e7%bd%91%e7%9b%b4%e8%bf%9e/
评测:百度云香港服务器测试报告/三网直连