JS引用高德地图报错: AMap is not defined

<script type="text/javascript">
    window._AMapSecurityConfig = {
      securityJsCode: '你的秘钥密码',
    }
  </script>
 <script type="text/javascript" src="https://webapi.amap.com/maps?v=2.@&key=xxxxxxxxxxxxxxxx"></script>

 mounted() {
    // 创建地图实例
    var map = new AMap.Map('container', {
      zoom: 12,
      resizeEnable: true
    })
    var marker = new AMap.Marker({
      position: new AMap.LngLat(116.29537571881102, 39.842559532456974), // 经纬度对象，也可以是经纬度构成的一维数组[116.39, 39.9]
      title: '北京丰台医院' })
  },

  <script src="https://webapi.amap.com/maps?v=1.4.15&key=xxxxxxxxxxxx"></script>