小程序 show-message-card失效？

<view class="contact">

<contact-button open-type="contact" style="opacity:0;position:absolute;" type="default-dark" session-from="weapp" size="27" show-message-card="true" send-message-path="{{contactPath}}" send-message-title="测试" send-message-img="{{goodsDetail.basicInfo.pic}}"></contact-button>

<view style='position:absolute;bottom:10rpx;'> 客服 </view>

</view>

进入客服页面后，没有弹出相应的卡片