public Result ProxyBankPayTodayTradeQueryInterface(string requestNumber, Req_4011 req_4011, string counterId = "")
        {
            var be     = new BankEnterpriseDirectInterface(this.IsSpecialLine);
            var result = be.ProxyBankPayTodayTradeQueryInterface(requestNumber, req_4011, counterId);

            return(CommUtils.ToResult(result));
        }