User-agent: *
Disallow: /wp-admin
Disallow: /wp-content/plugins
Disallow: /wp-content/themes
Disallow: /wp-includes
Disallow: /?s=
Disallow: /feed/
Disallow: /comments/feed
Disallow: /trackback/
Disallow: /?r=*
Sitemap: http://www.liucheng.org/sitemap.xml