评论问题

config/routes.rb

@@ -69,9 +69,11 @@ Rails.application.routes.draw do
         delete :delete_set
       end
       resources :comments do
+        collection do
           post :reply
         end
       end
+    end
 
     resources :hack_user_lastest_codes, path: :myproblems,  param: :identifier do
       member do