Access your own projects from the Internet

Download the win64 free open source client for ngrok using Xiaomi Ball, etc., replace your own loken, then start the tunnel, run your project to tomcat's own designated window, and then modify the port of the ngrok configuration file. Obviously it is slow, but it is still achieved If you need to access the projects deployed on the intranet from the external network, you can buy a cloud server yourself, go to CentOS or sever 2003 to install golang, java environment, and then use ngrok to deploy.