贴吧附件路由转发问题

config/routes.rb

@@ -5,6 +5,7 @@ Rails.application.routes.draw do
   mount Sidekiq::Web => '/sidekiq', :constraints => AdminConstraint.new
 
   get 'attachments/download/:id', to: 'attachments#show'
+  get 'attachments/download/:id/:filename', to: 'attachments#show'
 
   resources :edu_settings
   scope '/api' do