Swift 设置圆角无效

let image = info[UIImagePickerController.InfoKey.originalImage] as! UIImage

对self.headerIcon 设置圆角，当将拍照得到的image赋给self.headerIcon时并不能得到一个完整的圆

将let  image = info[UIImagePickerController.InfoKey.editedImage] as! UIImage 改为editedImage才会得到圆