<first-menu>
    <menu-item href="/servers">网站列表</menu-item>
    <span class="item disabled">|</span>
    <menu-item :href="'/servers/server/settings?serverId=' + server.id" :active="leftMenuActiveItem == null">"{{server.name}}"设置</menu-item>
    <span class="disabled item">&raquo;</span>
    <a class="item active" v-if="leftMenuActiveItem != null" :href="leftMenuActiveItem.url">"{{leftMenuActiveItem.name}}"设置</a>
    <span class="disabled item" v-if="leftMenuActiveItem != null">|</span>
   