diff --git a/app/controllers/oauth/ci4s_controller.rb b/app/controllers/oauth/ci4s_controller.rb
index 70fb9779e..f7924c51a 100644
--- a/app/controllers/oauth/ci4s_controller.rb
+++ b/app/controllers/oauth/ci4s_controller.rb
@@ -33,6 +33,7 @@ class Oauth::Ci4sController < Oauth::BaseController
           email = user_info['email']
           email = "#{login}@forge.com" if email.blank?
           reg_result = autologin_register(login,email, "Ec#{login}2021#", 'educoder', user_info['mobile'])
+          Rails.logger.info("[OAuth2] reg_result -> #{reg_result}")
           if reg_result[:message].blank?
             open_user = OpenUsers::Ci4s.create!(user_id: reg_result[:user][:id], uid: login, extra: user_info)
             successful_authentication(open_user.user)