https://blog.wongcw.com/2018/11/02/sticky-password-premium-v8-2-0-206-%e5%a4%9a%e8%af%ad%e8%a8%80%e6%b3%a8%e5%86%8c%e7%89%88-%e5%af%86%e7%a0%81%e7%ae%a1%e7%90%86%e8%bd%af%e4%bb%b6/