diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 75be302cd..dc1cceb87 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -336,7 +336,7 @@ class AccountController < ApplicationController
       :expires => 1.month.from_now,
       :path => (Redmine::Configuration['autologin_cookie_path'] || '/'),
       :secure => (Redmine::Configuration['autologin_cookie_secure'] ? true : false),
-      :domain => '.trustie.net',
+      :domain => Redmine::Configuration['cookie_domain'],
       :httponly => true
     }
     cookies[autologin_cookie_name] = cookie_options
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 0dc86fb01..02b2f0d1d 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -199,7 +199,7 @@ class ApplicationController < ActionController::Base
   # Logs out current user
   def logout_user
     if User.current.logged?
-      cookies.delete(autologin_cookie_name)
+      cookies.delete(autologin_cookie_name, domain: Redmine::Configuration['cookie_domain'])
       # Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])
       self.logged_user = nil
     end
diff --git a/config/configuration.yml b/config/configuration.yml
index 87a54a976..45e307157 100644
--- a/config/configuration.yml
+++ b/config/configuration.yml
@@ -90,6 +90,7 @@ default:
       user_name: "huang.jingquan@163.com"
       password: 'xinhu1ji2qu366'
 
+  cookie_domain: ".trustie.net"
   # Absolute path to the directory where attachments are stored.
   # The default is the 'files' directory in your Redmine instance.
   # Your Redmine instance needs to have write permission on this