https://blog.wongcw.com/2021/12/09/%e9%80%9a%e7%94%a8%e6%97%97%e4%b8%8bbrightdrop%e5%9c%a8%e5%8a%a0%e5%b7%9e%e8%a8%ad%e7%ab%8b%e9%a6%96%e5%80%8b%e7%b6%93%e9%8a%b7%e7%b6%b2%e9%bb%9e-%e5%87%ba%e5%94%ae%e9%9b%bb%e5%8b%95%e8%bc%95%e5%9e%8b/