/xe/modules/board/skins/xe_board

style.list.html 의 121줄 쯤..

<td class="author"><div class="member_{$document->get('member_srl')}">{$document->getNickName()}</div></td>.를

<td class="author"><div class="member_{$document->get('member_srl')}">{$document->getUserName()}<br>({$document->getNickName()})</div></td>로 바꿈..