camera scanCode模式 在IOSRX机型 bindscancode无回调 求解？

  <camera device-position="back" flash='{{flash}}' binderror="error" class="camerStyle" mode='scanCode' frame-size='small' bindscancode='bindscancode' bindinitdone='bindinitdone'>

  </camera>

  "libVersion": "2.8.3",