请问下我是dedecms在robots.txt里怎么加让访问的代码？

Disallow: /plus/ad_js.php
Disallow: /plus/advancedsearch.php
Disallow: /plus/car.php
Disallow: /plus/carbuyaction.php
Disallow: /plus/shops_buyaction.php
Disallow: /plus/erraddsave.