编辑 source/function/function_threadsort.php 文件

查找 (386行左右位置)

$_G['forum_option'][$option['identifier']]['value'] .= $option['choices'][$choiceid].' ';

替换为

$_G['forum_option'][$option['identifier']]['value'] .='<em>'.$option['choices'][$choiceid].'</em>';

保存更新缓存,即可定义多选样式<em>标签;