怎么点击不限的时候其他不选，选其他的时候不限为不选，求解

Question

<template>
  <div style="margin: 50px;">
    <el-checkbox-group v-model="list">
      <el-checkbox v-for="(item, index) in data" :key="index" :label="item.label">
        <div style="margin-bottom: 10px;">{{ item.label }}</div>
      </el-checkbox>
    </el-checkbox-group>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        list: ['不限'],
        data: [
          {label: '不限'},
          {label: '一级'},
          {label: '二级'}, 
          {label: '三级',}
        ],
      }
    },
    methods: {

    }
  }
</script> 

Answer 1