这个getLastAnswer事件，没有返回用户所有选择的答案？绑定好没有任何反应

<template>
<view class="exam">
<pxing-exam :examlist="examlist" @getLastAnswer="submitTypeHandle"></pxing-exam>
</view>
</template>

<script>
import pxingExam from '@/components/pxing-exam/pxing-exam.vue';
export default {
data() {
return {
examlist:[
{
id:"1",
title:"今天的鸡腿是啥味道啊？",
type:0,
answer:"",
userAnswer:"",
answerList:[
{label:"A、咸味",value:"A"},
{label:"B、甜味",value:"B"},
{label:"C、辣味",value:"C"},
{label:"D、没吃出来",value:"D"}
]
},{
id:"2",
title:"鱼虾味道啊？",
type:0,
answer:"",
userAnswer:"",
answerList:[
{label:"A、咸味",value:"A"},
{label:"B、甜味",value:"B"},
{label:"C、辣味",value:"C"},
{label:"D、没吃出来",value:"D"}
]
}
]
}
},
methods:{
// getEveryAnswerHandle(e){ //获取当前题目的选择答案（题目题数发生改变时获取用户选择的答案，如果没有选择答案则不返回）
// console.log(e)
// },
submitTypeHandle(e){ //提交试卷时获取用户选择的所有答案

            console.log("啊实打实的阿斯达按时")  
        }  
    },  
    components: {pxingExam}  
}  

</script>

<style lang="scss" scoped>

</style>