ngx-malihu-scrollbar scrollTo method is not working

I am using ngx-malihu-scrollbar in my angular project. scrollTo is not working,

import { MalihuScrollbarService } from 'ngx-malihu-scrollbar';
constructor(private mScrollbarService: MalihuScrollbarService) { }

ngOnChanges() {
  this.mScrollbarService.scrollTo(`#${this.dateIndex}`, 10 , { scrollEasing:'easeOut' });
}

my HTML code

<div malihu-scrollbar [scrollbarOptions]="darksScrollbarOptions">
<div id="list-0"></div>
<div id="list-1"></div>
<div id="list-2"></div>
<div id="list-3"></div>
...
</div>

In this.dateIndex I will be getting the id