서브메뉴에 mid가 걸려야 나타납니다.

레이아웃에 있는 2차~ 메뉴 라면 아래 처럼 메뉴 출력 소스가 있어야 합니다.

            <!--@if($menu_1st)-->
            <ol id="lnb">
                {@ $idx = 1 }
                <!--@foreach($menu_1st['list'] as $key => $val)--><!--@if($val['text'])-->
                <li <!--@if($val['selected'])-->class="on"<!--@end-->><a href="{$val['href']}" <!--@if($val['open_window']=='Y')-->onclick="window.open(this.href);return false;"<!--@end-->>{$val['text']}</a>

                    <!-- main_menu 3차 시작 -->
                    <!--@if($val['list'])-->
                    <ul>
                    <!--@foreach($val['list'] as $k => $v)--><!--@if($v['text'])-->
                        <li <!--@if($v['selected'])-->class="on"<!--@end-->><a href="{$v['href']}" <!--@if($v['open_window']=='Y')-->onclick="window.open(this.href);return false;"<!--@end-->>{$v['text']}</a></li>
                    <!--@end--><!--@end-->
                    </ul>
                    <!--@end-->
                </li>
                {@$idx++}
                <!--@end--><!--@end-->
            </ol>
            <!--@end-->