html
<view class="person_info_more">
<image class="more" src="/images/common/more_gray.png" />
</view>
css
.person_info_more {
display: flex;
align-items: center; /*垂直居中*/
justify-content: center; /*水平居中*/
.more {
14rpx;
height: 24rpx;
}
}