https://blog.wongcw.com/2021/08/28/%e5%95%86%e6%b9%af%e7%a7%91%e6%8a%80%e6%b8%af%e8%82%a1ipo%e6%8b%9b%e8%82%a1%e6%9b%b8%e6%8a%ab%e9%9c%b2%ef%bc%9a%e7%a0%94%e7%99%bc%e6%8a%95%e5%85%a5%e8%b6%85%e5%87%ba%e7%87%9f%e6%94%b6%e9%a1%8d/