<nav class="nav">
        <ul class="nav_menu">
            <li class="nav_menu-item"><router-link to="/">首页</router-link></li>
            <li class="nav_menu-item"><router-link to="/project">121工程</router-link></li>
            <li class="nav_menu-item"><a>县级药事培训</a>
                <ul class="nav_submenu">
                    <li class="nav_submenu-item" v-for="i in cities"> <router-link :to="{path:'/training'}">{{i}}</router-link></li>
                </ul>
            </li>
            <li class="nav_menu-item">city=</li>
        </ul>
    </nav>
    

<p class="container">
    <Row :gutter="30">
        <Breadcrumb>
            <Breadcrumb-item href="/">首页</Breadcrumb-item>
            <Breadcrumb-item>县级药事培训</Breadcrumb-item>
        </Breadcrumb>

        <Col span="16">
            <p class="page-title">
                <h1><Icon type="location"></Icon>北京</h1>
            </p>
            <tab></tab>
        </Col>
    </Row>
</p>