iOS上的离子标签最上面？

我有一个应用程序，上面有离子标签。它在Android上运行良好，但在iOS上，标签位于标题后面

我怎样才能解决这个问题

<ion-tabs class="tabs-icon-top tabs-top tabs-color-active-positive">

      <!-- Empresas Tab -->
      <ion-tab title="Empresas" icon-off="ion-ios-home-outline" icon-on="ion-ios-home" href="#/tab/emp">
        <ion-nav-view name="tab-emp"></ion-nav-view>
      </ion-tab>

      <!-- Servicos Tab -->
      <ion-tab title="Serviços" icon-off="ion-ios-people-outline" icon-on="ion-ios-people" href="#/tab/serv">
        <ion-nav-view name="tab-serv"></ion-nav-view>
      </ion-tab>

      <!-- Acessar Tab -->
      <ion-tab title="Acessar" icon-off="ion-ios-world-outline" icon-on="ion-ios-world" href="#/tab/acesso" ng-click="isLogged();">
        <ion-nav-view name="tab-acesso"></ion-nav-view>
      </ion-tab>


      <!-- Anunciantes Tab -->
      <ion-tab title="Anunciar" icon-off="ion-ios-star-outline" icon-on="ion-ios-star" href="#/tab/anuncio">
        <ion-nav-view name="tab-anuncio"></ion-nav-view>
      </ion-tab>

      <!-- Info Tab -->
      <ion-tab title="Informações" icon-off="ion-ios-information-outline" icon-on="ion-ios-information" href="#/tab/info">
        <ion-nav-view name="tab-info"></ion-nav-view>
      </ion-tab>

  </ion-tabs>

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这可能会帮助您尝试在选项卡中添加上边距