将其添加到“init”动作挂钩中是可行的

function update_menu_custom(){
wp_update_nav_menu_item(2, 0, array(
    \'menu-item-title\' =>  __(\'Home\'),
    \'menu-item-classes\' => \'home\',
    \'menu-item-url\' => home_url( \'/\' ), 
    \'menu-item-status\' => \'publish\'));
}

add_action(\'init\',\'update_menu_custom\');

wp\\u update\\u nav\\u menu\\u项目应与register\\u activation\\u hook一起使用，并遵循以下说明。在您的功能中。插件或主题的php或始终执行的任何其他php添加：

register_activation_hook(__FILE__,\'addnav_menu_init\');


function addnav_menu_init(){
     wp_update_nav_menu_item(2, 0, array(
    \'menu-item-title\' =>  __(\'Home\'),
    \'menu-item-classes\' => \'home\',
    \'menu-item-url\' => home_url( \'/\' ), 
    \'menu-item-status\' => \'publish\'));
}