diff --git a/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java b/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
index 208d59f..a4ceb1e 100644
--- a/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
+++ b/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
@@ -568,7 +568,7 @@ public class IAPISaleInvMaitainImpl {
             newSaleInvoiceHVO.setVdef20(null);  // 电子发票回传标识
             newSaleInvoiceHVO.setVdef34(null);  // 回写BIP成功标志
             newSaleInvoiceHVO.setVdef35(null);  // 回写BIP失败原因
-            newSaleInvoiceHVO.setVdef38(bject.getString("vdef38"));  // bip旗舰版发票主键
+            newSaleInvoiceHVO.setVdef38(bject.getString("def38"));  // bip旗舰版发票主键
 
             // 组装VO
             saleInvoiceVO.setParentVO(newSaleInvoiceHVO);