最好将您的资产包括在admin_enqueue_scripts回答你的问题

add_action(\'admin_head\', \'grup_custom_admin_post_css\');
function grup_custom_admin_post_css()
{
    $allow_post_types = array(\'custom_role\', \'custom_role_2\', \'etc\');
    $allow_roles = array(\'post_type\', \'post_typ_2\');

    $current_user = wp_get_current_user();
    if (array_intersect($current_user->roles, $allow_roles)) { // do something if user have one of these roles
        global $post_type;

        if ($post_type && in_array($post_type, $allow_post_types)) {
            echo "<style></style>";
        }
    }
}