ionic 富文本編輯樣式后，前臺不能回顯樣式

ts

import { DomSanitizer } from '@angular/platform-browser';
 constructor(private sanitizer: DomSanitizer,
 ) {}
  transform(style) {
    return this.sanitizer.bypassSecurityTrustHtml(style);
  }

html

<div [innerHTML]='transform(content.content)'> </div>