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当我在数据对象数组上使用拖放时，我无法使 cdkDragHandle 工作。怎么做？

<div cdkDropList class="list" (cdkDropListDropped)="drop($event)">
    <app-video-item class="box" *ngFor="let videoItem of videoItems" cdkDrag [videoItem]="videoItem">{{videoItem.Name}}
        <div class="handle" cdkDragHandle>
            <span class="material-icons" width="24px" fill="currentColor" viewBox="0 0 24 24">menu</span>
        </div>
    </app-video-item></div>
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