<view class="message">
    <view class="message_list" ty:if="{{message_list.length > 0}}">
        消息列表
    </view>
    <view class="nomessage" ty:else>
       <view class="nomessage_img img_box">
            <image class="image" src="/assets/images/xian/nomessag_bg.png" mode="widthFix"></image>
       </view>
       <view class="nomessage_text">暂无消息</view>
    </view>
</view>