If you want to build a website, you can only access the Pagoda panel by opening port 8888. When opening port 8888, you should also remember to open port 80 (which is the default port of the WEB server). It is recommended to open another port 443 (this is based on HTTPS). The default port of the website), open these ports and your website can be accessed normally; this course is reproduced from Bilibili: https://www.bilibili.com/video/BV1fJ41147vV