private void DelSaveUser(object[] x)
        {
            Button Btn       = x[0] as Button;
            int    _index    = JObjectHelper.GetStrNum(Btn.Tag.ToString()) - 1;
            string UserPhone = LocalUserInfo[_index].Phone;

            LocalUserInfo.RemoveAt(_index);
            //删除本地用户
            XElement xele = XElement.Load(Path.Combine(localUserInfoFilepath, FileName));
            //MessageBox.Show(xele.Element("Phone").Value)
            var item = (from ele in xele.Elements("User")
                        where (string)ele.Element("Phone") == UserPhone
                        select ele).FirstOrDefault();

            if (item != null)
            {
                item.Remove();
            }
            xele.Save(Path.Combine(localUserInfoFilepath, FileName));
            sort();
        }