picker-view设置value，中间值不生效
<picker-view
v-if="mode == 'region'"
:value="[2, 2, 2]" // 设置value
@change="change"
class="u-picker-view"
@pickstart="pickstart"
@pickend="pickend"
>
<picker-view-column v-if="params.province">
<view
class="u-column-item"
v-for="(item, index) in provinces"
:key="index"
>
<view class="u-line-1">{{ item.label }}</view>
</view>
</picker-view-column>
<picker-view-column v-if="params.city">
<view
class="u-column-item"
v-for="(item, index) in citys"
:key="index"
>
<view class="u-line-1">{{ item.label }}</view>
</view>
</picker-view-column>
<picker-view-column v-if="params.area">
<view
class="u-column-item"
v-for="(item, index) in areas"
:key="index"
>
<view class="u-line-1">{{ item.label }}</view>
</view>
</picker-view-column>
</picker-view>
[图片] 第一列、第三列没问题，第二列有问题
