<cover-view class=“modalDlg” wx:if="{{showModal}}">

   <cover-view class=“tishi”>提示</cover-view>

   <cover-view class=“tishi1”>{{closeApplet}}</cover-view>

   <navigator open-type=“exit” target=“miniProgram” class=“tishi2”>关闭小程序</navigator>

 </cover-view>

在真机上不显示navigator