diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 174a3041a..461cc7225 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -434,6 +434,7 @@ 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