将职位类型设置为pre_get_posts 可以解决这个问题。您可以如下所示进行设置-

function the_dramatist_search_only_page($query) {

    if ($query->is_search && !is_admin() ) {
        $query->set(\'post_type\',array(\'page\'));
    }

    return $query;
}

add_filter(\'pre_get_posts\',\'the_dramatist_search_only_page\');