https://blog.wongcw.com/2020/04/28/icofx-v3-4-portable-%e5%a4%9a%e8%aa%9e%e8%a8%80%e8%a8%bb%e5%86%8a%e7%89%88-%e5%9c%96%e6%a8%99%e7%b7%a8%e8%bc%af%e5%b7%a5%e5%85%b7/