想請問大大們是否有在 vagrant homestead 裡面用 rails start vagrant@homestead:~/code/ruby/NewProjectName$ rails s => Booting Puma => Rails 5.2.3 application starting in development => Run rails server -h for more startup options Puma starting in single mode... * Version 3.12.1 (ruby 2.6.0-p0), codename: Llamas in Pajamas * Min threads: 5, max threads: 5 * Environment: development * Listening on tcp://localhost:3000