请教Docker部署出现services.seatable-server.ports contains an invalid type

5.1版本,飞牛的SSH连接后docker部署,出现下面提示,百思不得其解,前辈们帮看看什么解决哦

ERROR: The Compose file ‘./docker-compose.yml’ is invalid because:
services.seatable-server.ports contains an invalid type, it should be a number, or an object