diff --git a/order/src/main/java/com/order/controller/OrderAfterSalesApplyController.java b/order/src/main/java/com/order/controller/OrderAfterSalesApplyController.java
index eeada36..ee8a6db 100644
--- a/order/src/main/java/com/order/controller/OrderAfterSalesApplyController.java
+++ b/order/src/main/java/com/order/controller/OrderAfterSalesApplyController.java
@@ -64,6 +64,9 @@ public class OrderAfterSalesApplyController {
             if (orderChild == null) {
                 throw ErrorHelp.genException(SysCode.System, ErrorCode.COMMON_ERROR, "未知的商品订单");
             }
+            if (productCount > orderChild.getSurplusRefundCount()) {
+                throw ErrorHelp.genException(SysCode.System, ErrorCode.COMMON_ERROR, "数量超过子订单可退数量");
+            }
             Map<String,Object> param = new HashMap<>();
             if (orderChild.getSurplusRefundCount().equals(productCount)) {
                 // 全部退款
@@ -72,9 +75,9 @@ public class OrderAfterSalesApplyController {
             } else {
                 // 部分退款
                 // 计算单价
-                BigDecimal unitPrice = orderChild.getSurplusRefundPrice().divide(new BigDecimal(productCount.toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
+                BigDecimal unitPrice = orderChild.getSurplusRefundPrice().divide(new BigDecimal(orderChild.getProductCount().toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
                 BigDecimal unitPriceIntegral = new BigDecimal(orderChild.getSurplusRefundIntegral().toString()).divide(new BigDecimal("100"))
-                        .divide(new BigDecimal(productCount.toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
+                        .divide(new BigDecimal(orderChild.getProductCount().toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
                 param.put("refundPrice", unitPrice.multiply(new BigDecimal(productCount.toString())));
                 param.put("refundIntegral", unitPriceIntegral.multiply(new BigDecimal("100")).longValue());
             }
diff --git a/service/src/main/java/com/hfkj/service/order/impl/BsOrderRefundServiceImpl.java b/service/src/main/java/com/hfkj/service/order/impl/BsOrderRefundServiceImpl.java
index 33d7da8..2dc66cf 100644
--- a/service/src/main/java/com/hfkj/service/order/impl/BsOrderRefundServiceImpl.java
+++ b/service/src/main/java/com/hfkj/service/order/impl/BsOrderRefundServiceImpl.java
@@ -161,9 +161,9 @@ public class BsOrderRefundServiceImpl implements BsOrderRefundService {
         } else {
             // 部分退款
             // 计算单价
-            BigDecimal unitPrice = orderChild.getSurplusRefundPrice().divide(new BigDecimal(productCount.toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
+            BigDecimal unitPrice = orderChild.getSurplusRefundPrice().divide(new BigDecimal(orderChild.getProductCount().toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
             BigDecimal unitPriceIntegral = new BigDecimal(orderChild.getSurplusRefundIntegral().toString()).divide(new BigDecimal("100"))
-                    .divide(new BigDecimal(productCount.toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
+                    .divide(new BigDecimal(orderChild.getProductCount().toString()), 2, BigDecimal.ROUND_DOWN).setScale(2);
 
             orderRefund.setRefundPrice(unitPrice.multiply(new BigDecimal(productCount.toString())));
             orderRefund.setRefundIntegral(unitPriceIntegral.multiply(new BigDecimal("100")).longValue());