<view class="box" wx:for="{{list}}" wx:key="id">
    <view class="content">
        {{item.activityName}}：{{item.actionName}}
    </view>
    <view class="content" style="margin-top: 10rpx;">
        留言：{{item.msg||' --'}}
    </view>
    <view class="time">
        {{item.time}}
    </view>
</view>
<My_empty wx:if="{{list.length==0}}" />