User-agent: PetalBot   
Disallow: /
User-agent: AhrefsBot  
Disallow: /
User-Agent: DotBot
Disallow: /
User-agent: *
Disallow: /template*
Disallow: /app*
Disallow: /&wd*
Disallow: /guan*
Disallow: /show_pdf*
Disallow: /static*