<ion-content>
  <ion-list>
    <ion-item lines="none">
      <div class="doctor-info">
        <h1>{{ knowledge?.get('title') }}</h1>
        <h3>{{ knowledge?.get('author') }}</h3>
        <p>{{ knowledge?.get('content') }}</p>
        <p><span>出处：</span> {{ knowledge?.get('source') }}</p>
      </div>
    </ion-item>
  </ion-list>
</ion-content>