no message

pages/setting/vehicle-list/index.wxml

@@ -20,7 +20,8 @@
         <view>
           <view class="text-sg text-bold">车牌号你：{{item.plateNumber}}</view>
           <view class="text-sm text-gray" style="line-height: 28rpx">
-            <text>司机：{{item.driverName}}({{item.driverMobile}})</text>
+            <text>司机：{{item.driverName}}</text>
+            <text wx:if="{{item.driverMobile}}">({{item.driverMobile}})</text>
           </view>
         </view>
         <van-button plain type="danger" size="small" bind:click="deleteForm" data-page="{{pageIndex}}" data-index="{{index}}">删除</van-button>