diff --git a/hai-service/src/main/java/com/hai/order/service/impl/OrderServiceImpl.java b/hai-service/src/main/java/com/hai/order/service/impl/OrderServiceImpl.java
index 656eebfd..b28a36cc 100644
--- a/hai-service/src/main/java/com/hai/order/service/impl/OrderServiceImpl.java
+++ b/hai-service/src/main/java/com/hai/order/service/impl/OrderServiceImpl.java
@@ -395,8 +395,8 @@ public class OrderServiceImpl implements OrderService {
             // 计算子订单退款金额。
             if (order.getPayPrice().compareTo(new BigDecimal("0")) == 1) {
                 BigDecimal ratio = childOrder.getTotalActualPrice()
-                        .divide(order.getPayPrice(), 2, BigDecimal.ROUND_DOWN).setScale(2);
-                childOrder.setSurplusRefundPrice(order.getPayPrice().multiply(ratio).setScale(2));
+                        .divide(order.getTotalPrice(), 2, BigDecimal.ROUND_DOWN).setScale(2);
+                childOrder.setSurplusRefundPrice(order.getPayPrice().multiply(ratio).setScale(2, BigDecimal.ROUND_DOWN));
 
             } else {
                 childOrder.setSurplusRefundPrice(new BigDecimal("0"));