https://blog.wongcw.com/2020/04/02/hosts-file-editor-v1-5-10-%e5%a4%9a%e8%aa%9e%e8%a8%80%e4%b8%ad%e6%96%87%e2%80%8b%e2%80%8b%e6%ad%a3%e5%bc%8f%e7%89%88-hosts%e6%96%87%e4%bb%b6%e7%b7%a8%e8%bc%af%e5%99%a8/