我的错误代码，todolist的文本框和插入按钮，8080已经白屏了

<template><div><input tpye = "text"></input><button v-model="charu">插入</button></div>
</template><script>
import HelloWorld from './components/HelloWorld.vue'export default {name: 'App',components: {HelloWorld}
}
</script><style>
#app {font-family: Avenir, Helvetica, Arial, sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;text-align: center;color: #2c3e50;margin-top: 60px;
}
</style>