为啥微信开放标签按钮wx-open-launch-weapp按钮 在ios上面闪一下就消失了？
<wx-open-launch-weapp id="launch-btn" username="xxxxx" path="pages/Passenger/Passenger.html?CarNo=' + CarNo + '">
<script type="text/wxtag-template">
<button type="submit" style="background-color: #2450a6;padding: 5px 15px;color: #fff;cursor: pointer;-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; display: inline-block; border: 0px solid #333; line-height: 1.5;"> 投诉与建议 </button>
<script>
</wx-open-launch-weapp>
