diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b1a66080..3e456b8f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1150,9 +1150,9 @@ class ApplicationController < ActionController::Base
   end
 
   def user_login_and_from_openi
-    url = request.referer.nil? ? Redmine::Configuration['educoder_domain'] : request.referer
+    url = request.original_url.nil? ? Redmine::Configuration['educoder_domain'] : request.original_url
     flag = URI(url).host == URI(Redmine::Configuration['openi_domain']).host && !current_user.logged?
-    logger.info "----------------------- request referer: #{request.referer} -------------------------"
+    logger.info "----------------------- request referer: #{request.original_url} -------------------------"
     logger.info "----------------------- url after processed: #{url} -------------------------"
     logger.info "----------------------- host: #{URI(url).host} --------------------------"
     logger.info "----------------------- handle_flag: #{flag} -------------------------"