我的两个vue.component组件不能同时加载，只留一个可以出来

Question

<div class="content">         <header-bar/>         <nav-bar/>     </div>     <script src="../assets/scripts/base.js"></script>      <script src="../assets/scripts/index.js"></script>      <script>        var vm = new Vue({             el:".content",             data:{}         })     </script>