[ResponseCache(Duration = , Location = ResponseCacheLocation.None, NoStore = true)]

        public IActionResult Error()

        {

            var _IExceptionHandlerFeature = HttpContext.Features.Get<IExceptionHandlerPathFeature>();

            var _Exception = _IExceptionHandlerFeature?.Error;

            sys_Log errorlog = new sys_Log();

            errorlog.gid = new Guid();

            errorlog.IpAddress = HttpContext.Connection.RemoteIpAddress.ToString();

            errorlog.PageUrl = _IExceptionHandlerFeature.Path;

            errorlog.ShortMessage = _Exception.Message;

            errorlog.FullMessage = _Exception.StackTrace;

            errorlog.userName = _account.UserName;

            errorlog.createTime = DateTime.Now;

            _logService.AddLog(errorlog);

            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });

        }