return [
    ...
	
    'sso_website_id' => '1',
    'sso_website_secret' => 'oxJ4d9cehSHL7WmDLCc9xSzvBU6QXX0C',
    'sso_website_server' => 'http://account.server.com/sso-api',
];

http://a.com/sso/login

http://a.com/sso/register

http://a.com/sso/logout