/theme/FriendCircle/template/bottom.php

<div class="bottom">
  <div class="copyright">{$copyright}</div>
  <div style="margin-top: 10px;">Powered By {$zblogphphtml}</div>
</div>

Powered by 重复了,用找个主题(FriendCircle)的记着改下代码。

Update:原主题更新后解决了,详情看Changelog