diff --git a/payment-base-app/src/main/java/com/base/springcloud/dao/OrderBillMapper.java b/payment-base-app/src/main/java/com/base/springcloud/dao/OrderBillMapper.java
index b927cb5..8193151 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/dao/OrderBillMapper.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/dao/OrderBillMapper.java
@@ -1,6 +1,7 @@
 package com.base.springcloud.dao;
 
 import com.base.springcloud.entity.OrderBill;
+import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
@@ -19,5 +20,7 @@ public interface OrderBillMapper {
 
     int updateByPrimaryKey(OrderBill record);
 
-	List<String> getBillId(String orderId);
+	List<String> getBillId(@Param("orderId") String orderId);
+
+	String getOrderId(@Param("billId") String billId);
 }
\ No newline at end of file
diff --git a/payment-base-app/src/main/java/com/base/springcloud/dao/OrderMapper.java b/payment-base-app/src/main/java/com/base/springcloud/dao/OrderMapper.java
index a7d9944..78d850f 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/dao/OrderMapper.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/dao/OrderMapper.java
@@ -1,6 +1,7 @@
 package com.base.springcloud.dao;
 
 import com.base.springcloud.entity.Order;
+import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.Date;
@@ -25,5 +26,5 @@ public interface OrderMapper {
 
 	int updateOrderSuccess(String orderNo);
 
-	Order origOrderInfo(String orderNo);
+	Order origOrderInfo(@Param("orderId") String orderId);
 }
\ No newline at end of file
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/BillService.java b/payment-base-app/src/main/java/com/base/springcloud/service/BillService.java
index b41ccbb..5107206 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/BillService.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/BillService.java
@@ -1,6 +1,7 @@
 package com.base.springcloud.service;
 
 import com.base.springcloud.bo.OrderBO;
+import com.base.springcloud.bo.RefundBO;
 import com.base.springcloud.bo.SaleBillBO;
 import com.base.springcloud.entity.SaleBill;
 
@@ -31,4 +32,10 @@ public interface BillService {
 	 * @param id
 	 */
 	void writeOffAmount(String id);
+
+	/**
+	 * 退款金额获取
+	 * @param refundBO
+	 */
+	void refundFront(RefundBO refundBO);
 }
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/OrderBillService.java b/payment-base-app/src/main/java/com/base/springcloud/service/OrderBillService.java
index 4fa42ff..fda1fc5 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/OrderBillService.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/OrderBillService.java
@@ -20,4 +20,11 @@ public interface OrderBillService {
 	 * @param orderId
 	 */
 	List<String> getBillId(String orderId);
+
+	/**
+	 * 查询销售单据对应订单
+	 * @param billId
+	 * @return
+	 */
+	String queryOrderNo(String billId);
 }
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/imp/BillServiceImp.java b/payment-base-app/src/main/java/com/base/springcloud/service/imp/BillServiceImp.java
index 850c2f0..2403eb7 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/imp/BillServiceImp.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/imp/BillServiceImp.java
@@ -2,7 +2,7 @@ package com.base.springcloud.service.imp;
 
 import com.base.springcloud.aspect.annotation.BusinessException;
 import com.base.springcloud.bo.OrderBO;
-import com.base.springcloud.bo.SaleBillBO;
+import com.base.springcloud.bo.RefundBO;
 import com.base.springcloud.constant.ErrorConstant;
 import com.base.springcloud.dao.SaleBillMapper;
 import com.base.springcloud.entity.SaleBill;
@@ -114,10 +114,31 @@ public class BillServiceImp implements BillService {
 		childBill(orderBO,false);
 	}
 
+	/**
+	 * 销售单据金额核销
+	 * @param orderId
+	 */
 	@Override
 	public void writeOffAmount(String orderId) {
 		int count = saleBillMapper.writeOffBill(orderId);
 		if(count > 0) return;
 		throw new BusinessException(ErrorConstant.BILL_WRITE_OFF_FAIL);
 	}
+
+	/**
+	 * 退款金额获取
+	 * @param refundBO
+	 */
+	@Override
+	public void refundFront(RefundBO refundBO) {
+		String billId = refundBO.getBillId();
+		if(StringUtils.isBlank(billId))
+			throw  new BusinessException(ErrorConstant.BILL_INVALID);
+		SaleBill saleBill = new SaleBill();
+		saleBill.setId(billId);
+		saleBill = saleBillMapper.queryBillInfo(saleBill);
+		if(Optional.ofNullable(saleBill).isPresent())
+			return;
+		throw  new BusinessException(ErrorConstant.BILL_INVALID);
+	}
 }
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderBillServiceImp.java b/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderBillServiceImp.java
index c13199d..f847879 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderBillServiceImp.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderBillServiceImp.java
@@ -53,4 +53,14 @@ public class OrderBillServiceImp implements OrderBillService {
 		return orderBillMapper.getBillId(orderId);
 	}
 
+	/**
+	 * 查询原支付订单
+	 * @param billId
+	 * @return
+	 */
+	@Override
+	public String queryOrderNo(String billId) {
+		return orderBillMapper.getOrderId(billId);
+	}
+
 }
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderServiceImp.java b/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderServiceImp.java
index 0d110d9..7d621a1 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderServiceImp.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/imp/OrderServiceImp.java
@@ -9,9 +9,12 @@ import com.base.springcloud.dao.OrderMapper;
 import com.base.springcloud.entity.MerchantConfig;
 import com.base.springcloud.entity.Order;
 import com.base.springcloud.entity.SaleBill;
+import com.base.springcloud.service.BillService;
+import com.base.springcloud.service.OrderBillService;
 import com.base.springcloud.service.OrderService;
 import com.base.springcloud.util.DateUtil;
 import com.base.springcloud.util.DecimalUtil;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -26,6 +29,8 @@ public class OrderServiceImp implements OrderService {
 	@Autowired
 	private OrderMapper orderMapper;
 
+	@Autowired
+	private OrderBillService orderBillService;
 
 	/**
 	 * 登记订单
@@ -94,7 +99,11 @@ public class OrderServiceImp implements OrderService {
 	 */
 	@Override
 	public void origOrderCheck(RefundBO refundBO) {
-		Order order = orderMapper.origOrderInfo(refundBO.getOrigOrderNo());
+		String billId = refundBO.getBillId();
+		String orderNo = orderBillService.queryOrderNo(billId);
+		if(StringUtils.isBlank(orderNo))
+			throw new BusinessException(ErrorConstant.BILL_INVALID);
+		Order order = orderMapper.origOrderInfo(orderNo);
 		if (!Optional.ofNullable(order).isPresent())
 			throw  new BusinessException(ErrorConstant.PAY_ORDER_NOT_FOUND);
 		if(!PaymentConstant.SUCCESS.equals(order.getOrderState()))
diff --git a/payment-base-app/src/main/java/com/base/springcloud/service/imp/RefundServiceImp.java b/payment-base-app/src/main/java/com/base/springcloud/service/imp/RefundServiceImp.java
index 598decd..783900b 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/service/imp/RefundServiceImp.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/service/imp/RefundServiceImp.java
@@ -7,6 +7,7 @@ import com.base.springcloud.constant.PaymentConstant;
 import com.base.springcloud.dao.RefundMapper;
 import com.base.springcloud.entity.Order;
 import com.base.springcloud.entity.Refund;
+import com.base.springcloud.service.BillService;
 import com.base.springcloud.service.OrderService;
 import com.base.springcloud.service.RefundService;
 import com.base.springcloud.service.WecPaymentService;
@@ -30,19 +31,20 @@ public class RefundServiceImp implements RefundService {
 	@Autowired
 	private RefundMapper refundMapper;
 
+	@Autowired
+	private BillService billService;
+
 	/**
 	 * 退款
 	 * @param refundBO
 	 */
 	@Override
 	public void refund(RefundBO refundBO) {
-		// RBS-退款金额获取
-
-		// 退款限制检查
-
+		// RBS-退款金额获取 FIXME 金额暂定支付金额
+		billService.refundFront(refundBO);
+		// TODO 退款限制检查
 		// 查询原支付订单
 		orderService.origOrderCheck(refundBO);
-
 		// 登记退款信息
 		registerRfund(refundBO);
 		// 发送微信退款
diff --git a/payment-base-app/src/main/resources/com/base/payment/mapper/OrderBillMapper.xml b/payment-base-app/src/main/resources/com/base/payment/mapper/OrderBillMapper.xml
index 575adc2..ca99c46 100644
--- a/payment-base-app/src/main/resources/com/base/payment/mapper/OrderBillMapper.xml
+++ b/payment-base-app/src/main/resources/com/base/payment/mapper/OrderBillMapper.xml
@@ -111,4 +111,11 @@
       order_id = #{orderId,jdbcType=VARCHAR}
     </where>
   </select>
+  <select id="getOrderNo" parameterType="java.lang.String" resultType="java.lang.String">
+    select order_id
+    from pay_order_bill
+    <where>
+      bill_id = #{billId,jdbcType=VARCHAR}
+    </where>
+  </select>
 </mapper>
\ No newline at end of file
diff --git a/payment-base-app/src/main/resources/com/base/payment/mapper/OrderMapper.xml b/payment-base-app/src/main/resources/com/base/payment/mapper/OrderMapper.xml
index 52b1ff3..ee2d0a9 100644
--- a/payment-base-app/src/main/resources/com/base/payment/mapper/OrderMapper.xml
+++ b/payment-base-app/src/main/resources/com/base/payment/mapper/OrderMapper.xml
@@ -181,7 +181,7 @@
     <include refid="Base_Column_List" />
     from pay_order
     <where>
-      order_no = #{orderNo,jdbcType=VARCHAR}
+      order_id = #{orderId,jdbcType=VARCHAR}
     </where>
   </select>
 </mapper>
\ No newline at end of file