diff --git a/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java b/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
index 785a24b..d720b0c 100644
--- a/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
+++ b/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
@@ -145,6 +145,7 @@ public class APISaleOrderMaitainImpl implements IAPISaleOrderMaitain {
 
             //	折本汇率
             UFDouble nexchangerate = childrenVO.getNexchangerate();
+            nexchangerate = getUFDouble_NullAsOne(nexchangerate);
             // 含税单价
             UFDouble nqtorigtaxprice = childrenVO.getNqtorigtaxprice();
             // 无税单价
@@ -761,6 +762,7 @@ public class APISaleOrderMaitainImpl implements IAPISaleOrderMaitain {
                     SaleOrderBVO oneBvo = oldVO.getChildrenVO()[0];
                     // 折本汇率
                     UFDouble nexchangerate = oneBvo.getNexchangerate();
+                    nexchangerate = getUFDouble_NullAsOne(nexchangerate);
                     List<SaleOrderBVO> newBvoList = listMap.get(csaleorderid);
                     if (newBvoList != null && !newBvoList.isEmpty()) {
                         // 上边填充默认值的时候取了系统的默认汇率，需要用BIP传的