discuz 积分按日重新计算，（摒弃以前24小时计算）

修改sourcemoduleforumforum_misc.php
将

foreach(C::t('forum_ratelog')->fetch_all_sum_score($_G['uid'], $_G['timestamp']-86400) as $rate) {

改为
$todaytime=strtotime(date('Y-m-d'));//$_G['timestamp']-86400;
foreach(C::t('forum_ratelog')->fetch_all_sum_score($_G['uid'], $todaytime) as $rate) {