diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index e486936fd..e59c6de95 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -362,7 +362,7 @@ class ApplicationController < ActionController::Base
 			# auto-login feature starts a new session
 			user = nil
 			Rails.logger.info("111111111111111111#{default_yun_session}, session is #{session[:"#{default_yun_session}"]} ")
-			user = User.try_to_autologin(cookies[autologin_cookie_name]) if session[:"#{default_yun_session}"]
+			user = User.try_to_autologin(cookies[autologin_cookie_name])
 			start_user_session(user) if user
 			user
 		end
diff --git a/app/controllers/concerns/login_helper.rb b/app/controllers/concerns/login_helper.rb
index 94ef1c04a..eeab45101 100644
--- a/app/controllers/concerns/login_helper.rb
+++ b/app/controllers/concerns/login_helper.rb
@@ -6,7 +6,7 @@ module LoginHelper
   end
 
   def autologin_cookie_name
-    edu_setting('autologin_cookie_name').presence || 'autologin'
+    edu_setting('autologin_cookie_name').presence || 'autologin_trustie'
   end
 
   def set_autologin_cookie(user)
@@ -93,4 +93,4 @@ module LoginHelper
     session[:ctime] = Time.now.utc.to_i
     session[:atime] = Time.now.utc.to_i
   end
-end
\ No newline at end of file
+end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 6c48d77b8..1c451ee91 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1,6 +1,6 @@
 class UsersController < ApplicationController
 
-  before_action :load_user, only: [:show, :homepage_info]
+  before_action :load_user, only: [:show, :homepage_info, :sync_token]
   before_action :check_user_exist, only: [:show, :homepage_info]
   before_action :require_login, only: %i[me list]
   skip_before_action :check_sign, only: [:attachment_show]
@@ -103,6 +103,15 @@ class UsersController < ApplicationController
     render_error(ex.message)
   end
 
+  # 其他平台登录后，必须将token同步到forge平台，实现sso登录功能
+  def sync_token
+    return render_error('未找相关用户!')  unless @user
+
+    token = Token.get_or_create_permanent_login_token(@user, 'autologin')
+    token.update_column(:value, params[:token])
+    render_ok
+  end
+
   private
   def load_user
     @user = User.find_by_login(params[:id]) || User.find_by(id: params[:id])
diff --git a/config/routes.rb b/config/routes.rb
index 74b44f039..32078d13c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -146,6 +146,7 @@ Rails.application.routes.draw do
         get :system_update
         get :me
         get :list
+        post :sync_token
       end
 
       scope module: :users do