You Can Do This Goto This Link And Stop the Question2Answer Bot from crawling your Q2A installation, you may use a robots.txt file. You can use the name Q2ABot to refer to the Question2Answer Bot in a User-agent line.
Q2ABot
User-agent
goto Link :
http://www.question2answer.org/bot.php
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.