From ac67692f985cec3c35751a66cc9777cfdad9652b Mon Sep 17 00:00:00 2001
From: jingquan huang <huang.jingquan@163.com>
Date: Sun, 2 Feb 2020 12:26:45 +0800
Subject: [PATCH] ad log

---
 app/controllers/main_controller.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
index 3eb8059e4..8a83c2949 100644
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -10,7 +10,8 @@ class MainController < ApplicationController
   def index
     domain_session = params[:_educoder_session]
     if domain_session
-      cookies[:_educoder_session] = domain_session
+      uid_logger("main start  domain_session is #{domain_session}")
+      cookies[:_educoder_session] = domain_session if cookies[:_educoder_session] != domain_session
 
       uid_logger("main start is #{cookies[:_educoder_session]}")
     end