How to let some IonButton could horizontal scroll in an IonItem? (resolved)

how to let some IonButton could horizontal scroll in an IonItem? thanks.

<IonItem>
  <IonButton></IonButton>
  <IonButton></IonButton>
  <IonButton></IonButton>
  <IonButton></IonButton>
  <IonButton></IonButton>
  <IonButton></IonButton>
</IonItem>

<IonItem style={{‘overflowX’: ‘scroll’}}>