https://blog.wongcw.com/2021/11/11/%e5%8f%a6%e9%a1%9e%e7%81%ab%e7%ae%ad%e8%a3%bd%e9%80%a0%e5%95%86spinlaunch%e5%ae%8c%e6%88%90%e9%a6%96%e6%ac%a1%e8%a9%a6%e9%a3%9b/