<cover-view class='footer'>

        <button class='btn confirm' wx:if="{{activeIndex==0}}" open-type="getUserInfo"

            bindgetuserinfo="getUserInfo">确认</button>

        <button class='btn confirm' wx:else open-type="getUserInfo"   bindgetuserinfo="getUserInfo">发送至访客</button>

    </cover-view>

不是必现，少数用户会出现此问题