diff --git a/app/controllers/oauth/acge_controller.rb b/app/controllers/oauth/acge_controller.rb
index 6f7c8203..d680a26d 100644
--- a/app/controllers/oauth/acge_controller.rb
+++ b/app/controllers/oauth/acge_controller.rb
@@ -1,6 +1,18 @@
 class Oauth::AcgeController < Oauth::BaseController
   include RegisterHelper
 
+  def refer 
+    uid = params['uid'].to_s.strip
+    tip_exception("uid不能为空") if uid.blank?
+
+    open_user = OpenUsers::Acge.find_by(uid: uid)
+    if open_user.present? && open_user.user.present? 
+      render :json => {login: open_user.user.login}
+    else 
+      render_not_found
+    end
+  end
+
   def create 
     begin
       uid = params['uid'].to_s.strip
diff --git a/config/routes.rb b/config/routes.rb
index 75caa100..f5d2dd2c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -26,6 +26,7 @@ Rails.application.routes.draw do
   get 'auth/failure', to: 'oauth/base#auth_failure'
   get 'auth/cas/callback', to: 'oauth/cas#create'
   get 'auth/acge/callback', to: "oauth/acge#create"
+  get 'auth/acge/refer', to: "oauth/acge#refer"
   get 'auth/:provider/callback', to: 'oauth/callbacks#create'
 
   get 'oauth/bind', to: 'oauth/educoder#bind'