我正在通过rails 5教程来构建消息聊天。我正在做得很好，直到我在尝试查看使用localhost 3000时遇到以下错误。
>**uninitialized constant HomeController**
>Routes match in priority from top to bottom
>Helper HTTP Verb Path Controller#Action
>Path / Url
>Path Match
>/cable
>#>, @pubsub=nil, @worker_pool=nil, @event_loop=nil, >@remote_connections=nil, @connections=[]>
>new_user_session_path GET /users/sign_in(.:format)
devise/sessions#new
>user_session_path POST /users/sign_in(.:format)
devise/sessions#create
>destroy_user_session_path DELETE /users/sign_out(.:format)
>devise/sessions#destroy
>user_password_path POST /users/password(.:format)
>devise/passwords#create
>new_user_password_path GET /users/password/new(.:format)
>devise/passwords#new
>edit_user_password_path GET /users/password/edit(.:format)
>devise/passwords#edit
>PATCH /users/password(.:format)
>devise/passwords#update
>PUT /users/password(.:format)
>devise/passwords#update
>cancel_user_registration_path GET /users/cancel(.:format)
>devise/registrations#cancel
>user_registration_path POST /users(.:format)
>devise/registrations#create
>new_user_registration_path GET /users/sign_up(.:format)
>devise/registrations#new
>edit_user_registration_path GET /users/edit(.:format)
>devise/registrations#edit
>PATCH /users(.:format)
>devise/registrations#update
>PUT /users(.:format)
>devise/registrations#update
>DELETE /users(.:format)
>devise/registrations#destroy
>root_path GET /
>home#index
>chat_rooms_path GET /chat_rooms(.:format)
>chat_rooms#index
>POST /chat_rooms(.:format)
>chat_rooms#create
>new_chat_room_path GET /chat_rooms/new(.:format)
>chat_rooms#new
>chat_room_path GET /chat_rooms/:id(.:format)
>chat_rooms#show
>GET /
>chat_rooms#index
我已经逐步完成了它，但它仍然没有显示任何内容？任何建议都是王牌。我是铁杆新手，所以和我在一起吧:)
基本上我只是想在服务器上查看它:(所以任何帮助都会很棒。