<li id="menu-item-223" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-223">
    菜单名
</li>

if (!function_exists('tb_css_attributes_filter')) :
    add_filter('nav_menu_css_class', 'tb_css_attributes_filter', 100, 1);
    add_filter('nav_menu_item_id', 'tb_css_attributes_filter', 100, 1);
    function tb_css_attributes_filter($var) {
        $arrs = array('current-menu-item', 'current-category-ancestor', 'current-post-ancestor', 'current-menu-ancestor', 'current-menu-parent', 'menu-item-has-children');
        return is_array($var) ? array_intersect($var, $arrs) : '';
    }
endif;