add

pages/index/index.axml

@@ -3,14 +3,14 @@
     </my-dynamic>
 </view>
 <view a:if="{{tabBarIndex === '1'}}">
-    <my-schedule update="{{indexNeedUpdate}}">
+    <my-schedule update="{{$data.indexNeedUpdate}}">
     </my-schedule>
 </view>
 <view class="tabBar">
     <view onTap="changeTabBar" data-tabbar='0'>
         <view class="tabBarView {{tabBarIndex === '0' ? 'ischooseTabBar' : ''}}">
             <text class="iconfont iconicon_dynamic"></text>
-            <text>动态{{indexNeedUpdate}}
+            <text>动态{{$data.indexNeedUpdate}}
             </text>
         </view>
     </view>