动态内容调整

app/controllers/wechats_controller.rb

@@ -1,6 +1,8 @@
 class WechatsController < ActionController::Base
   wechat_responder
 
+  included ApplicationHelper
+
   # default text responder when no other match
   on :text do |request, content|
     request.reply.text "echo: #{content}" # Just echo