【报Bug】unicloud-db前端组件中，调用data报undefined

示例代码：

<template>  
    <view class="container">  
        <unicloud-db ref="udb" v-slot:default="{data, loading, error, options}" :options="options" :where="sWhere"  
            :collection="collectionList" field="title,content,excerpt,publish_date,last_modify_date,skip_mode,skip_url,down_url"  
            :getone="true" loadtime="manual" @load="handleLoad">  
            <view v-if="error">{{error.message}}</view>  
            <view v-else-if="loading">  
                <uni-load-more :contentText="loadMore" status="loading"></uni-load-more>  
            </view>  
            <view v-else-if="data">  
                <view>  
                    <bctos-rich-text :nodes="data.content"></bctos-rich-text>  
                </view>  

                <view class="margin-top-sm">  
                    <uni-card>  
                        <view class="flex flex-direction-row justify-center align-center">  
                            <button class="down_button" type="primary" @click="downLoadFile(data.down_url.url)">下载</button>  
                        </view>  
                    </uni-card>  
                </view>  

            </view>  
        </unicloud-db>  
    </view>  
</template>  

<script>  
    const db = uniCloud.database()  
    export default {  
        data() {  
            return {  
                queryWhere: '',  
                collectionList: "weixiu-downdrive",  
                sWhere: "",  
                loadMore: {  
                    contentdown: '',  
                    contentrefresh: '',  
                    contentnomore: ''  
                }  
            }  
        },  
        onLoad(e) {  
            this._id = e.id  
            if (this._id) {  
                this.sWhere = '_id=="' + this._id + '"'  
            }  
        },  
        onReady() {  
            this.$nextTick(()=>{  
                this.$refs.udb.loadData();  
            })  
        },  
        methods: {  
            handleLoad(data){  
                console.log(data)  
            },  

            downLoadFile(url){  
                uni.downloadFile({  
                    url: url,  
                    fail: function(err) {  
                        console.log(err)  
                        uni.showToast({  
                            title: err,  
                            icon: 'error'  
                        })  
                    },  
                    success: function(res) {  
                        console.log('下载回调',res)  
                        uni.showModal({  
                            title: '成功',  
                            content:'下载成功',  
                            showCancel:false  
                        })  
                    }  
                })  
            }  
        }  
    }  
</script>  

操作步骤：

小程序 调试报错如下：

TypeError: Cannot read property 'down_url' of undefined  
    at getTarget (vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:9798)  
    at getTarget (vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:9798)  
    at VueComponent.Vue.__get_value (vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:9910)  
    at vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:2737  
    at Array.forEach (<anonymous>)  
    at processEventExtra (vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:2722)  
    at processEventArgs (vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:2775)  
    at vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:2864  
    at Array.forEach (<anonymous>)  
    at vendor.js?t=wechat&s=1680263306155&v=b50d8555d1416ef5747615793702102c:2840(env: Windows,mp,1.06.2301160; lib: 2.25.3)

报错代码所在行就是这里

<view class="flex flex-direction-row justify-center align-center">  
    <button class="down_button" type="primary" @click="downLoadFile(data.down_url.url)">下载</button>  
</view>

预期结果：

unicloud-db组件下

  ...  
    @click="downLoadFile(data.down_url.url)"  

可以正常取到值

实际结果：

unicloud-db组件下

  ...  
    @click="downLoadFile(data.down_url.url)"  

报错data为undefined