找到/qa-include/qa-theme-base.php文件，对下面函数进行修改即可。
function attribution()
{
// Hi there. I‘d really appreciate you displaying this link on your Q2A site. Thank you - Gideon
$this->output(
‘<div class="qa-attribution">‘,
‘Powered by <a href="http://www.question2answer.org/">Question2Answer</a>‘,
‘</div>‘
);
原文：http://blog.csdn.net/forlong401/article/details/42177295