diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 461cc7225..ebfd15057 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -404,6 +404,10 @@ class WechatsController < ActionController::Base
 
     def user_activities
 
+      if params[:state] == nil
+        return
+      end
+
       @appid = Wechat.config.appid
       ## sign
 
@@ -420,10 +424,7 @@ class WechatsController < ActionController::Base
       logger.info params
       
       unless (user_binded?(open_id) || params[:state] == "invite_code" || params[:state] == "project_invite_code" ||  params[:state] == "blog_comment" || params[:state] == "course_notice" || params[:state] == "project_discussion" || params[:state] == "course_discussion" || params[:state] == "homework" || params[:state] == "issues" || params[:state] == "journal_for_message")
-        if !(session["login"] != nil && session["login"] == false) || session["login"] == nil
-          @path = '/login'
-        end
-        session.delete("login")
+        @path = '/login'
       else
         if params[:state] == 'myclass'
           @course_id = params[:id];
@@ -433,11 +434,6 @@ class WechatsController < ActionController::Base
 
         session[:wechat_openid] = open_id
         if params[:code]
-          #不跳转至绑定界面的标志
-          session.delete("login")
-          if params[:state] == "invite_code" || params[:state] == "project_invite_code" ||  params[:state] == "blog_comment" || params[:state] == "course_notice" || params[:state] == "project_discussion" || params[:state] == "course_discussion" || params[:state] == "homework" || params[:state] == "issues" || params[:state] == "journal_for_message"
-            session["login"] = false
-          end
           if params[:userid]
             redirect_to "/wechat/user_activities##{@path}?id=#{params[:id]}&userid=#{params[:userid]}" and return
           elsif params[:id]