private function authPrecheckObjectEncoding(&$options)
    {
        $tmp_object = $options[self::OSS_OBJECT];
        try {
            if (OssUtil::isGb2312($options[self::OSS_OBJECT])) {
                $options[self::OSS_OBJECT] = iconv('GB2312', "UTF-8//IGNORE", $options[self::OSS_OBJECT]);
            } elseif (OssUtil::checkChar($options[self::OSS_OBJECT], true)) {
                $options[self::OSS_OBJECT] = iconv('GBK', "UTF-8//IGNORE", $options[self::OSS_OBJECT]);
            }
        } catch (\Exception $e) {
            try {
                $tmp_object = iconv(mb_detect_encoding($tmp_object), "UTF-8", $tmp_object);
            } catch (\Exception $e) {
            }
        }
        $options[self::OSS_OBJECT] = $tmp_object;
    }