每当我在控制器或模型中进行更改时，我需要重新启动服务器。请你好好澄清一下。 Rails版本5.2.2
检查yourconfig/environments/development.rb文件，看看你是否能找到这些行：set config.cache_classes = false和config.reload_classes_only_on_change = false
config/environments/development.rb
set config.cache_classes = false
config.reload_classes_only_on_change = false
你可以参考这些答案：
Rails Server needs restart every time I make changes? why?
Vagrant shared folder with rails server