element-ui——el-radio使用for循环显示

<el-radio-group v-model="radioValue">
    <el-radio v-for="item in list"
              :key="" :label="">
        {{}}
    </el-radio>
</el-radio-group>

data () {
	return {
		radioValue: '',
		list: [{id:1,value:'标题一'},{id:1,value:'标题二'}]
	}
}