https://blog.wongcw.com/2022/08/29/swel%e5%ae%a3%e7%a8%b1waveline-magnet%e4%b9%98%e6%b5%aa%e7%99%bc%e9%9b%bb%e6%a9%9f%e5%8f%af%e5%b8%b6%e4%be%86%e6%88%90%e6%9c%ac%e8%b6%85%e4%bd%8e%e7%9a%84%e6%b8%85%e6%bd%94%e8%83%bd/