调整自动更新 无需重启rails s 服务

config/environments/development.rb

@@ -62,8 +62,8 @@ Rails.application.configure do
 
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
-  config.file_watcher = ActiveSupport::EventedFileUpdateChecker
-
+  config.file_watcher = ActiveSupport::FileUpdateChecker
+  config.reload_classes_only_on_change = false
   config.action_controller.perform_caching = true
 
   config.action_mailer.delivery_method = :smtp