在/wp_config.php

$_SERVER['HTTPS'] = 'on';
define('FORCE_SSL_LOGIN', true);
define('FORCE_SSL_ADMIN', true);

if ( (!empty( $_SERVER['HTTP_X_FORWARDED_HOST'])) ||
(!empty( $_SERVER['HTTP_X_FORWARDED_FOR'])) ) {

// http://wordpress.org/support/topic/wordpress-behind-reverse-proxy-1
$_SERVER['HTTP_HOST'] = $_SERVER['HTTP_X_FORWARDED_HOST'];

// http://wordpress.org/support/topic/compatibility-with-wordpress-behind-a-reverse-proxy
$_SERVER['HTTPS'] = 'on';
}