打开\template\default\common\header_common.htm文件，找到Powered by discuz!用文档打开 第6行处开始<title><!--{if !empty($navtitle)}-->$navtitle - <!--{/if}--><!--{if empty($nobbname)}--> $_G['setting']['bbname'] - <!--{/if}--> Powered by Discuz!</title>
去掉POWER和前面的-和空格改成：<title><!--{if !empty($navtitle)}-->$navtitle<!--{/if}--><!--{if empty($nobbname)}--> $_G['setting']['bbname']<!--{/if}--></title>
