*（……&*6干sfa绅士的风度sfsdfd不打发打发死啊好办法
/home/comfrqjt/www/wp-admin/custom-background.php
<?php
/**
 * Custom background script.
 *
 * This file is deprecated, use 'wp-admin/includes/class-custom-background.php' instead.
 *
 * @deprecated 5.3.0
 * @package WordPress
 * @subpackage Administration
 */

_deprecated_file( basename( __FILE__ ), '5.3.0', 'wp-admin/includes/class-custom-background.php' );

/** Custom_Background class */
require_once ABSPATH . 'wp-admin/includes/class-custom-background.php';
Path: home/comfrqjt/www/wp-admin