课堂路由更改

config/routes.rb

@@ -2443,7 +2443,7 @@ RedmineApp::Application.routes.draw do ## oauth相关
 
   # add by nwb
   # 课程路由设置
-  resources :courses do
+  resources :courses, :path => "classrooms" do
     member do
       get 'settings', :action => 'settings', :as => 'settings'
       get 'teachers'