修复提交

yelaymaths/pages/index/index.wxml

@@ -4,7 +4,6 @@
   <!-- 信息广播：文案取自站点配置 home.broadcast，空则整条不显示。
        文字放得下就静态居中，放不下就横向滚动（避免长通知被截断看不到）。 -->
   <view class="broadcast" wx:if="{{broadcast}}">
-    <text class="broadcast-icon">📢</text>
     <view class="broadcast-body">
       <view class="broadcast-track {{broadcastScroll ? 'broadcast-scroll' : ''}}" style="color: {{broadcastColor}}">
         <text class="broadcast-text">{{broadcast}}</text>