【报Bug】Picker 鼠标在上面滚动选择时报这个错误：UncaughtTypeError: Cannot redefine property: instance

示例代码：

    <view>  
        <page-head :title="title"></page-head>  
        <view class="uni-title uni-common-pl">普通选择器</view>  
        <view class="uni-list">  
            <view class="uni-list-cell">  
                <view class="uni-list-cell-left">  
                    当前选择  
                </view>  
                <view class="uni-list-cell-db">  
                    <picker @change="bindPickerChange" :value="index" :range="array" range-key="name">  
                        <view class="uni-input">{{array[index].name}}</view>  
                    </picker>  
                </view>  
            </view>  
        </view>  

        <!-- #ifndef MP-ALIPAY -->  
        <view class="uni-title uni-common-pl">多列选择器</view>  
        <view class="uni-list">  
            <view class="uni-list-cell">  
                <view class="uni-list-cell-left">  
                    当前选择  
                </view>  
                <view class="uni-list-cell-db">  
                    <picker mode="multiSelector" @columnchange="bindMultiPickerColumnChange" :value="multiIndex" :range="multiArray">  
                        <view class="uni-input">{{multiArray[0][multiIndex[0]]}}，{{multiArray[1][multiIndex[1]]}}，{{multiArray[2][multiIndex[2]]}}</view>  
                    </picker>  
                </view>  
            </view>  
        </view>  
        <!-- #endif -->  

        <view class="uni-title uni-common-pl">时间选择器</view>  
        <view class="uni-list">  
            <view class="uni-list-cell">  
                <view class="uni-list-cell-left">  
                    当前选择  
                </view>  
                <view class="uni-list-cell-db">  
                    <picker mode="time" :value="time" start="09:01" end="21:01" @change="bindTimeChange">  
                        <view class="uni-input">{{time}}</view>  
                    </picker>  
                </view>  
            </view>  
        </view>  
        <view class="uni-picker-tips">  
            注：选择 09:01 ~ 21:01 之间的时间, 不在区间内不能选中  
        </view>  

        <view class="uni-title uni-common-pl">日期选择器</view>  
        <view class="uni-list">  
            <view class="uni-list-cell">  
                <view class="uni-list-cell-left">  
                    当前选择  
                </view>  
                <view class="uni-list-cell-db">  
                    <picker mode="date" :value="date" :start="startDate" :end="endDate" @change="bindDateChange">  
                        <view class="uni-input">{{date}}</view>  
                    </picker>  
                </view>  
            </view>  
        </view>  
        <view class="uni-picker-tips">  
            注：选择当前时间 ±10 年之间的时间, 不在区间内不能选中  
        </view>  
    </view>  
</template>  
<script>  

    function getDate(type) {  
        const date = new Date();  

        let year = date.getFullYear();  
        let month = date.getMonth() + 1;  
        let day = date.getDate();  

        if (type === 'start') {  
            year = year - 10;  
        } else if (type === 'end') {  
            year = year + 10;  
        }  
        month = month > 9 ? month : '0' + month;;  
        day = day > 9 ? day : '0' + day;  

        return `${year}-${month}-${day}`;  
    }  
    export default {  
        data() {  
            return {  
                title: 'picker',  
                array: [{name:'中国'},{name: '美国'}, {name:'巴西'}, {name:'日本'}],  
                index: 0,  
                multiArray: [  
                    ['亚洲', '欧洲'],  
                    ['中国', '日本'],  
                    ['北京', '上海', '广州']  
                ],  
                multiIndex: [0, 0, 0],  
                date: getDate({  
                    format: true  
                }),  
                startDate:getDate('start'),  
                endDate:getDate('end'),  
                time: '12:01'  
            }  
        },  
        methods: {  
            bindPickerChange: function(e) {  
                console.log('picker发送选择改变，携带值为：' + e.detail.value)  
                this.index = e.detail.value  
            },  
            bindMultiPickerColumnChange: function(e) {  
                console.log('修改的列为：' + e.detail.column + '，值为：' + e.detail.value)  
                this.multiIndex[e.detail.column] = e.detail.value  
                switch (e.detail.column) {  
                    case 0: //拖动第1列  
                        switch (this.multiIndex[0]) {  
                            case 0:  
                                this.multiArray[1] = ['中国', '日本']  
                                this.multiArray[2] = ['北京', '上海', '广州']  
                                break  
                            case 1:  
                                this.multiArray[1] = ['英国', '法国']  
                                this.multiArray[2] = ['伦敦', '曼彻斯特']  
                                break  
                        }  
                        this.multiIndex.splice(1, 1, 0)  
                        this.multiIndex.splice(2, 1, 0)  
                        break  
                    case 1: //拖动第2列  
                        switch (this.multiIndex[0]) { //判断第一列是什么  
                            case 0:  
                                switch (this.multiIndex[1]) {  
                                    case 0:  
                                        this.multiArray[2] = ['北京', '上海', '广州']  
                                        break  
                                    case 1:  
                                        this.multiArray[2] = ['东京','北海道']  
                                        break  
                                }  
                                break  
                            case 1:  
                                switch (this.multiIndex[1]) {  
                                    case 0:  
                                        this.multiArray[2] = ['伦敦', '曼彻斯特']  
                                        break  
                                    case 1:  
                                        this.multiArray[2] = ['巴黎', '马赛']  
                                        break  
                                }  
                                break  
                        }  
                        this.multiIndex.splice(2, 1, 0)  
                        break  
                }  
                this.$forceUpdate()  
            },  
            bindDateChange: function(e) {  
                this.date = e.detail.value  
            },  
            bindTimeChange: function(e) {  
                this.time = e.detail.value  
            }  

        }  
    }  
</script>  

<style>  
.uni-picker-tips {  
    font-size: 12px;  
    color: #666;  
    margin-bottom: 15px;  
    padding: 0 15px;  
    /* text-align: right; */  
}  
</style>  

操作步骤：

用hbuildx 生成一个新的hello app项目，选择vue3, 用内置浏览器运行，就会在控制台显示附加中显示的错误

预期结果：

没有附件中的错误

实际结果：

有错主