<view class="pageList">
  <view class="button" bindtap="goVoiceCall"><text class="title">微信来电</text><text class="desc">模拟微信语音来电</text>
  </view>
  <view class="button" bindtap="goLamp"><text class="title">荧光棒</text><text class="desc">屏幕颜色随机切换</text>
  </view>
</view>
<view class="pageList">
  <view class="button"><text class="title">生日快乐</text><text class="desc">正在开发中...</text>
  <!--bindtap="goBirthday" 生日蛋糕，生日祝福-->
  </view>
</view>
<view class="footer-more">
  敬请期待更多功能
</view>
<view class="footer-more">  
  <official-account></official-account>
</view>

<view class="footer-contact-">
  <button open-type="contact">联系客服</button>
</view>

下图是手机截屏，文字前面多了符号。

开发者工具中是正常的！