如何设置发布自定义文章类型时默认勾选指定自定义分类？

//发布自定义文章时默认勾选指定自定义分类

function publish_custom_post_type_with_wdtaxonomy($post_id) {

if(get_post_type($post_id) !== 'wenda'){return;}

$wdtaxonomy_id = 9999;

$taxonomy = 'wdfenlei';

wp_set_object_terms( $post_id, intval($wdtaxonomy_id), $taxonomy );

}

add_action('save_post', 'publish_custom_post_type_with_wdtaxonomy');