如何去掉论坛后缀 “power by discuz!

 /template/default/common 找到header_common.htm这个文件下载

<title><!--{if !empty($navtitle)}-->$navtitle - <!--{/if}--><!--{if empty($nobbname)}--> - $_G['setting']['bbname'] - <!--{/if}-->Powered by Discuz! </title>$_G['setting']['seohead']