像这样的东西应该可以。代替wpse_77670_getPermittedCategories() 但是，您可以选择允许类别的数组，以及\'your_custom_category\' 无论您的自定义分类法适用于您的自定义帖子类型。

/**
* filter terms checklist args to restrict which categories a user can specify
* @param array $args arguments for function get_terms()
* @param array $taxonomies taxonomies to search
* @return array
*/
function wpse_77670_filterGetTermArgs($args, $taxonomies) {
    // check whether we\'re currently filtering selected taxonomy
    if (implode(\'\', $taxonomies) == \'your_custom_category\') {
        $cats = wpse_77670_getPermittedCategories();    // as an array

        if (empty($cats))
            $args[\'include\'] = array(99999999);     // no available categories
        else
            $args[\'include\'] = $cats;
    }

    return $args;
}

if (is_admin()) {
    add_filter(\'get_terms_args\', \'wpse_77670_filterGetTermArgs\', 10, 2);
}

function wpse_77670_filterGetTermArgs($args, $taxonomies) {
    global $typenow;

    if ($typenow == \'tsv_userpost\') {
        // check whether we\'re currently filtering selected taxonomy
        if (implode(\'\', $taxonomies) == \'category\') {
            $cats = array(89,90,91,92,93,94); // as an array

            if (empty($cats))
                $args[\'include\'] = array(99999999); // no available categories
            else
                $args[\'include\'] = $cats;
        }
    }

    return $args;
}

if (is_admin()) {
    add_filter(\'get_terms_args\', \'wpse_77670_filterGetTermArgs\', 10, 2);
}