public static void Execute()
        {
            ICurrencyService currencyService = ServiceFactory.GetService <ICurrencyService>();
            IUserService     userService     = ServiceFactory.GetService <IUserService>();

            DateTime beforeTime = DateTime.Now.AddDays(-SystemParameter.DataStorageDays);

            currencyService.Clear_Info(beforeTime);
            userService.Clear_Login(beforeTime);
        }