[Run opt]: The scripts list in package.json is read by default, or you can select the [Custom Command] option to manually enter the start command
[Custom start]: You can select the startup file or directly enter the startup command. Supported startup methods: npm/node/pm2/yarn
[Port]：The wrong port will lead to access to 502, if you dont know the port, you can change to the correct port after starting
[User]：For security reasons, the www user is used by default to run, and root user running may bring security risks
can anyone help me on this? i don't understand what to do. i have provide the image too
