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>