private static function _calendarDetail($locale, $list)
    {
        $ret = "001";
        foreach ($list as $key => $value) {
            if (strpos($locale, '_') !== false) {
                $locale = substr($locale, strpos($locale, '_') + 1);
            }
            if (strpos($key, $locale) !== false) {
                $ret = $key;
                break;
            }
        }
        return $ret;
    }