自定义帖子类型和自定义分类未连接

我有CPT和分类法（代码如下）。查看分类术语存档页面时，该页面为空。WordPress不知道它在WP\\U查询中包含了我的自定义帖子类型。我做错什么了吗？

function register_cpt() {

    // POST TYPE
    $args = array(
        \'label\'               => \'Photogallery\',
        \'supports\'            => array( \'title\', \'editor\',),
        \'hierarchical\'        => false,
        \'public\'              => true,
        \'show_ui\'             => true,
        \'show_in_menu\'        => true,
        \'show_in_nav_menus\'   => false,
        \'show_in_admin_bar\'   => false,
        \'can_export\'          => true,
        \'has_archive\'         => true,
        \'exclude_from_search\' => true,
        \'publicly_queryable\'  => true,
        \'capability_type\'     => \'page\',
        \'taxonomies\'                    => array(\'gallery_cat\')
    );
    register_post_type( \'photogallery\', $args );

    // TAXONOMY
    $args = array(
        \'label\'                     => \'Photogallery categories\',
        \'hierarchical\'               => true,
        \'public\'                     => true,
        \'show_ui\'                    => true,
        \'show_admin_column\'          => true,
        \'show_in_nav_menus\'          => false,
        \'show_tagcloud\'              => false,
    );
    register_taxonomy( \'gallery_cat\', \'photogallery\', $args );

    // CONNECTING ...
    register_taxonomy_for_object_type( \'gallery_cat\', \'photogallery\' );
}
add_action( \'init\', \'register_cpt\');

访问时example.com/gallery_cat/cat-1, 它是空的。但有一项在后端使用此术语。

当我检查主查询时，其SQL是：

SELECT SQL_CALC_FOUND_ROWS wp_posts.ID
FROM wp_posts 
INNER JOIN wp_term_relationships
ON (wp_posts.ID = wp_term_relationships.object_id)
WHERE 1=1 
AND ( wp_term_relationships.term_taxonomy_id IN (12) )
AND wp_posts.post_type IN (\'post\', \'page\', \'attachment\') //     !!!!!!!
AND (wp_posts.post_status = \'publish\'
OR wp_posts.post_author = 1
AND wp_posts.post_status = \'private\')
GROUP BY wp_posts.ID
ORDER BY wp_posts.post_date DESC
LIMIT 0, 10

可以清楚地看到，我的自定义帖子类型“photogallery”不包括在内。

What am I doing wrong? 我的代码中是否存在一些错误配置？

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