User-agent: *
allow: /sitemap.xml/
Disallow: /about/
Disallow: /contact/
Disallow: /project/
Disallow: /product/
Disallow: /jiaotong/

Disallow: /?
Disallow: /pdf/
Disallow: /bocadmin/
Disallow: /404/
Disallow: /404.htm