不确定为什么需要添加删除按钮，它由SharePoint列表中的权限控制。您可以在列表级别设置警报，以使任何类型的操作发生在列表中。希望这会有所帮助。

Not sure why you need to ADD the delete button, its controlled by the permissions in the SharePoint list. You can set alerts at list level to get any kind of operations happening to the list. Hope this helps.