diff --git a/app/api/mobile/entities/course.rb b/app/api/mobile/entities/course.rb
index fc5c95ef5..487a75c4d 100644
--- a/app/api/mobile/entities/course.rb
+++ b/app/api/mobile/entities/course.rb
@@ -46,6 +46,7 @@ module Mobile
       course_expose :term
       course_expose :time
       course_expose :invite_code
+      course_expose :qrcode
       course_expose :updated_at
       course_expose :course_student_num
       expose :teacher, using: Mobile::Entities::User do |c, opt|
diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 75a8bac92..120de197a 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -12,19 +12,8 @@ class WechatsController < ActionController::Base
       uw = user_binded?(request[:FromUserName])
       if !uw
         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!"} }
-        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]}",
-                       description: n[:content],
-                       pic_url: pic_url,
-                       url: url
-        end
       else
-        return request.reply.text "您的意见已收到，感谢您的反馈！" # Just echo
+        return join_class(content, uw.user)
       end
     rescue => e
       return request.reply.text e
@@ -57,7 +46,16 @@ class WechatsController < ActionController::Base
 
   # When subscribe user scan scene_id in public account
   on :scan, with: 'scene_id' do |request, ticket|
-    request.reply.text "Subscribe user #{request[:FromUserName]} Ticket #{ticket}"
+    begin
+      uw = user_binded?(request[:FromUserName])
+      if !uw
+        return sendBind()
+      else
+        return join_class({ticket: ticket}, uw.user)
+      end
+    rescue => e
+      return request.reply.text e
+    end
   end
 
   # When no any on :scan responder can match subscribe user scaned scene_id
@@ -185,14 +183,31 @@ class WechatsController < ActionController::Base
     end
   end
 
-  def join_class(content, user)
+  def join_class(params, user)
+    course = nil
+    course = Course.where(qrcode: params[:ticket]) if params[:ticket]
+    course = Course.where(invite_code: params[:invite_code]) if params[:invite_code]
+    raise "课程不存在" if course.blank?
+
     cs = CoursesService.new
-    status = cs.join_course({invite_code: content.upcase.strip}, user)
+    status = cs.join_course(course.invite_code, user)
     logger.info status
     if status[:state] != 0
       raise CoursesService::JoinCourseError.message(status[:state])
     end
-    status[:course]
+
+    course = status[: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!"} }
+    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]}",
+                   description: n[:content],
+                   pic_url: pic_url,
+                   url: url
+    end
+
   end
 
   ###  controller method
diff --git a/app/models/course.rb b/app/models/course.rb
index d0266b381..b8ec4181d 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -466,6 +466,19 @@ class Course < ActiveRecord::Base
     code
   end
 
+
+  def generate_qrcode
+    ticket = self.qrcode
+    if !ticket || ticket.size < 10
+      response = Wechat.api.qrcode_create_scene(invite_code)
+      logger.debug "response = #{response}"
+      self.qrcode = response['ticket']
+      save! && reload
+      ticket = qrcode
+    end
+    ticket
+  end
+
 end
 
 
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 0eb699459..3c74c328c 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -165,6 +165,9 @@ class CoursesService
   #显示课程
   def show_course(params,current_user)
     course = Course.find(params[:id])
+    course.generate_invite_code
+    course.generate_qrcode
+
     if course.school
       work_unit = course.school.name
     else
diff --git a/public/assets/wechat/invite_code.html b/public/assets/wechat/invite_code.html
index 116dad8da..6f56f7e86 100644
--- a/public/assets/wechat/invite_code.html
+++ b/public/assets/wechat/invite_code.html
@@ -2,12 +2,12 @@
     <div class="qr-code-wrap">
         <div class="qr-code-box">
             <div class="share-class-name">{{course.name}}</div>
-            <div class="qr-img-wrap"><img src="/images/wechat/QR-code.jpg" width="152" class="qr-code-img" /></div>
+            <div class="qr-img-wrap"><img ng-src="https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket={{course.qrcode}}" width="152" class="qr-code-img" /></div>
             <div class="invitation-code-wrap">邀请码：{{course.invite_code}}</div>
         </div>
     </div>
     <div class="share-code-wrap">
-        <a href="javascript:void(0);" class="share-code-btn">分享邀请码</a>
+        <a ng-click="share()" href="javascript:void(0);" class="share-code-btn">分享邀请码</a>
         <div class="share-code-instruction"> 1.将此页面分享给好友，邀请好友加入班级<br />
             2.通过微信扫一扫加入班级<br />
             3.输入邀请码加入班级</div>
diff --git a/public/javascripts/wechat/controllers/invite_code.js b/public/javascripts/wechat/controllers/invite_code.js
index b21653b1e..1b92f592c 100644
--- a/public/javascripts/wechat/controllers/invite_code.js
+++ b/public/javascripts/wechat/controllers/invite_code.js
@@ -15,4 +15,20 @@ app.controller('InviteCodeController', ['$scope','$http', '$routeParams','config
         }
     );
     
+    vm.share = function(){
+        window.WeixinJSBridge.invoke('sendAppMessage',{
+            'appid': 'wxf694495398c7d470', // 公众号appID
+            'type': 'link', // 非必填，music,vido或link,默认为link。
+            'data_url': '', // 非必填，连接地址,如音乐的mp3数据地址,供内置播放器使用
+            'img_url': 'http://pnewsapp.tc.qq.com/newsapp_bt/0/9963967/640', // 缩略图地址
+            'img_height':370, // 缩略图高度
+            'img_width':550, // 缩略图宽度
+            'link':'http://view.inews.qq.com/a/WXN2013101101385701', // 链接地址
+            'desc':'desc', // 描述
+            'title':'title' // 标题
+        },function(res){
+            //alert(res.err_msg);
+        });
+    }
+    
 }]);