no message

pages/index/index.js

@@ -27,6 +27,7 @@ Scene({
     items: [],
     mActiveIndex: 0,
     factoryId: '',
+    arrow: false,
     visible: false
   },
   /************************************** 初始化流程  ********************************************/
@@ -42,11 +43,17 @@ Scene({
       const element = app.userInfo.enterpriseInfos[mIndex]
       var enterprise = { text: element.enterpriseName }
       var children = []
+      if(mIndex >= 1){
+        this.data.arrow = true
+      }
       for (let nIndex = 0; n < element.factoryInfos.length; nIndex++) {
         const item = element.factoryInfos[nIndex]
         if(item.factoryId == app.userInfo.factoryId){
           this.data.mActiveIndex = mIndex
         }
+        if(nIndex >= 1){
+          this.data.arrow = true
+        }
         var factory = { id: item.factoryId }
         if(item.applicationStatus == 0 && !element.isAdmin){
           factory.text = item.factoryName + '(申请中)'
@@ -65,6 +72,7 @@ Scene({
       mActiveIndex: this.data.mActiveIndex,
       factoryId: app.userInfo.factoryId,
       factoryName:  app.userInfo.factoryName,
+      arrow: this.data.arrow,
       customBar: app.globalData.CustomBar || (app.globalData.isIos ? 64 : 60),
       fragment: (app.globalData.safeFragmentHeight + app.globalData.statusBarHeight), 
       safeBottom: app.globalData.safeBottom

pages/index/index.wxml

@@ -2,7 +2,7 @@
 <cu-custom bgColor="bg-blue" wx:if="{{tabIndex != 3}}">
   <view slot="right" class="flex flex-center" style="padding-left:32rpx" bindtap="showFactoryList">
     <text class="text-white text-xl" style="margin-right: 12rpx">{{ userInfo ? (factoryName || '未注册工厂') : ''}}</text>
-    <van-icon name="{{visible ? 'arrow-up' : 'arrow-down'}}" size="36rpx" color="white" />
+    <van-icon name="{{visible ? 'arrow-up' : 'arrow-down'}}" size="36rpx" color="white"  wx:if="{{arrow}}"/>
   </view>
 </cu-custom>