fix bug

@@ -65,6 +65,7 @@ import java.util.Date;
 import java.util.Map;
 import java.util.Objects;
 import java.util.function.BiFunction;
+import java.util.function.Function;
 
 import static com.yohoufo.order.common.TransferCase.EARNEST_MONEY_TO_BUYER;
 import static com.yohoufo.order.utils.ServiceExceptions.throwServiceException;
@@ -1306,29 +1307,24 @@ public class PaymentServiceImpl implements IPaymentService {
         AbstractOrderPaymentService orderPaymentService = getOrderPaymentService(codeMeta, orderCode);
         OrderInfo orderInfo = orderPaymentService.getOrderInfo(orderCode);
 
+        Function<Object, String> exceptionMessage = appendMessage -> String.format("订单[%s]，%s！", orderCode, appendMessage);
+
         // 获取支付成功记录
         OrdersPay ordersPay = ordersPayMapper.selectOrdersPay(orderInfo.getOrderCode(), orderInfo.getUid());
 
-        if (!ObjectUtils.allNotNull(ordersPay, ordersPay.getAmount(), ordersPay.getPayment())) {
-            logger.warn("manual refund paid record not exist.orderCode is {}", orderCode);
-            ServiceExceptions.throwServiceException(400,"订单[" + orderCode + "]，尚未支付！");
-        }
-        
-        if(!CollectionUtils.isEmpty(ordersPayRefundMapper.selectByOrderCode(orderCode))) {
-        	logger.warn("manual refund has success before .orderCode is {}", orderCode);
-            throwServiceException(400, "订单[" + orderCode + "]，已经退款成功过！");
-        }
+        throwServiceExceptionIf(!ObjectUtils.allNotNull(ordersPay, ordersPay.getAmount(), ordersPay.getPayment()), exceptionMessage.apply("尚未支付"));
 
-        // 退款金额大于支付金额
-		if (ordersPay.getAmount().compareTo(amount) < 0) {
-            logger.warn("manual refund refundAmount {} > amount {}, orderCode is {}",
-                    ordersPay.getAmount(), amount, orderCode);
-            throwServiceException("订单[" + orderCode + "]，退款金额大于支付金额！");
-        }
+        throwServiceExceptionIf(CollectionUtils.isNotEmpty(ordersPayRefundMapper.selectByOrderCode(orderCode)), exceptionMessage.apply("已经退款成功过"));
+
+        throwServiceExceptionIf(ordersPay.getAmount().compareTo(amount) < 0, exceptionMessage.apply("退款金额大于支付金额"));
+
+        throwServiceExceptionIf(Objects.isNull(orderInfo.getPayment()), exceptionMessage.apply("退款渠道不存在"));
 
         // 退款
         AbstractPayService payService = getPayService(orderInfo.getPayment());
 
+        throwServiceExceptionIf(Objects.isNull(payService), exceptionMessage.apply("未找到合适的退款渠道"));
+
         PayRefundBo payRefundBo = new PayRefundBo();
         payRefundBo.setOrderCode(String.valueOf(orderCode));
         payRefundBo.setPayOrderCode(ordersPay.getPayOrderCode());