.

app/controllers/wechats_controller.rb

@@ -11,11 +11,11 @@ class WechatsController < ActionController::Base
     begin
       uw = user_binded?(request[:FromUserName])
       if !uw
-        sendBind()
+        return sendBind()
       elsif (course = join_class(content, uw.user)) && course
         news = (1..1).each_with_object([]) { |n, memo| memo << { title: '恭喜您成功加入班级,开始学习吧!',
                                                                  content: "课程名称: #{course.name}\n班级名称: #{course.name}\n任课老师: #{course.teacher.show_name}\n进入班级,和小伙伴愉快的学习吧!"} }
-        request.reply.news(news) do |article, n, index| # article is return object
+        return request.reply.news(news) do |article, n, index| # article is return object
           url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=#{Wechat.config.appid}&redirect_uri=#{ROOT_URL+'/wechat/user_activities?id='+course.id.to_s}&response_type=code&scope=snsapi_base&state=myclass#wechat_redirect"
           pic_url = "#{ROOT_URL}/images/wechat/class.jpg"
           article.item title: "#{n[:title]}",
@@ -24,10 +24,10 @@ class WechatsController < ActionController::Base
                        url: url
         end
       else
-        request.reply.text "您的意见已收到，感谢您的反馈！" # Just echo
+        return request.reply.text "您的意见已收到，感谢您的反馈！" # Just echo
       end
     rescue => e
-      request.reply.text e
+      return request.reply.text e
     end
   end