进入templeta/default/forum/Discuz.htm (使用非默认模版的请修改当前使用模版的discuz.htm)删除以下代码即可
<p class="chart z">{lang index_today}: <em>$todayposts</em><span class="pipe">|</span>{lang index_yesterday}: <em>$postdata[0]</em><span class="pipe">|</span>{lang index_posts}: <em>$posts</em><span class="pipe">|</span>{lang index_members}: <em>$_G['cache']['userstats']['totalmembers']</em><!--{if $_G['cache']['userstats']['newsetuser']}--><span class="pipe">|</span>{lang welcome_new_members}: <em><a href="home.php?mod=space&username={echo rawurlencode($_G['cache']['userstats']['newsetuser'])}" target="_blank" class="xi2">$_G['cache']['userstats']['newsetuser']</a></em><!--{/if}--></p>