微信小程序页面数据渲染

Question

从后台传过来的数据进行渲染实现

将每个GD GG和GP转换为汉字并作为一个小标题，没有数据时则不显示

<block wx:if="{{bindSource.GD.length>0}}">

    <view>股东</view>
    <view wx:for="{{bindSource.GD}} "  wx:key="id">
      <view   class="itemview">{{item.secuabbr}}</view>
    </view>
  </block>

  <block wx:if="{{bindSource.GG.length>0}}">
    <view>高管</view>
    <view wx:for="{{bindSource.GG}}"  wx:key="id">
      <view  class="itemview ">{{item.secuabbr}}</view>
    </view>
  </block>

  <block wx:if="{{bindSource.GP.length>0}}">
    <view>股票</view>
    <view wx:for="{{bindSource.GP}}"  wx:key="id">
      <view  class="itemview ">{{item.secuabbr}}</view>
    </view>
  </block>

可是当搜其他内容时

返回的数据为

要怎么改一下才好啊