title: ionic2 in a modal page navigate to another page ？
body: <p>When I push another page in my modal using <code>this.navCtrl.push(TwoPage)</code>, the pushed page displays like this:</p>
  
  <p><a href="https://i.stack.imgur.com/Qs4tB.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Qs4tB.jpg" alt="enter image description here"></a></p>
  
  <p>The modal was created as follows:</p>
  
  <pre><code>let modal = this.modalCtrl.create(OnePage);
  modal.present();   
  </code></pre>