织梦channelartlist和channel标签外部链接如何新窗口打开

<ul>
          <li class="menu-item current_page_item"><a href="/">首页</a></li>
          {dede:channelartlist typeid="top" row='18'}
          <li class="menu-item "><a {dede:field.typeid runphp='yes' }if(@me=='6'||@me=='9')@me='target="_blank"';else@me='';{/dede:field.typeid}  href="{dede:field name="typeurl"/}">{dede:field name="typename"/}</a>
            <ul class="sub-menu">
              {dede:channel type="son"}
              <li class="menu-item"><a href='[field:typeurl/]' [field:rel/] [field:id runphp='yes'] if(@me=='4'){ @me="target='_blank'";} else {@me="";}[/field:id]>[field:typename/]</a></li>
              {/dede:channel}
            </ul>
          </li>
          {/dede:channelartlist}
        </ul>