修改路由

config/routes.rb

@@ -58,14 +58,7 @@ RedmineApp::Application.routes.draw do
     end
   end
 
-  resources :poll do
-    member do
-      get 'add_question'
-      get 'add_answer'
-      get 'vote'
-      get 'statistics'
-    end
-  end
+  resources :poll
 
   resources :contest_notification