您可以尝试使用style_loader_tag 滤器

add_action(\'wp_enqueue_scripts\', \'my_enqueue_scripts\');

function my_enqueue_scripts() {
    wp_enqueue_style(\'my-style-handle\',
        \'/fonts/custom-font-folder/CustomFontFile.woff2\', array(), null);
}

add_filter(\'style_loader_tag\', \'my_style_loader_tag_filter\', 10, 2);

function my_style_loader_tag_filter($html, $handle) {
    if ($handle === \'my-style-handle\') {
        return str_replace("rel=\'stylesheet\'",
            "rel=\'preload\' as=\'font\' type=\'font/woff2\' crossorigin=\'anonymous\'", $html);
    }
    return $html;
}