diff --git a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewPbomExportToSAPImpl.java b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewPbomExportToSAPImpl.java
index d444065d..a9d648ae 100644
--- a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewPbomExportToSAPImpl.java
+++ b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewPbomExportToSAPImpl.java
@@ -40,6 +40,7 @@ public class BomNewPbomExportToSAPImpl implements IBomNewPbomExportToSAP {
     //是否是 一次性订单/配件销售订单
     private boolean isForSale = false;
     private boolean is21 = false;
+    private boolean is31 = false;
 
     private final String dateYMD = DateUtil.format(new Date(), "yyyyMMdd");
     private final Map<Long, List<T1ExtDTO>> cmap = new HashMap<>();
@@ -59,6 +60,7 @@ public class BomNewPbomExportToSAPImpl implements IBomNewPbomExportToSAP {
     public List<OperationErrorMsgVO> export(Long rootBomRowId) {
         BomNewPbomParentEntity root = bomNewPbomParentService.getById(rootBomRowId);
         is21 = root.getMaterialNo().startsWith("21");
+        is31 = root.getMaterialNo().startsWith("31");
         List<BomNewPbomChildEntity> rcs = bomNewPbomChildService.lambdaQuery()
                 .eq(BomNewPbomChildEntity::getParentRowId, root.getRowId())
                 .orderByAsc(BomNewPbomChildEntity::getOrderNumber)
@@ -77,7 +79,7 @@ public class BomNewPbomExportToSAPImpl implements IBomNewPbomExportToSAP {
         List<OperationErrorMsgVO> liErrMsg = null;
         try {
             Long ddpRowId = null;
-            if (is21) {
+            if (!is31) {
                 //选出直发包
                 ddpRowId = getZFBBomRowId(rcs);
             }
@@ -85,7 +87,7 @@ public class BomNewPbomExportToSAPImpl implements IBomNewPbomExportToSAP {
                 BomNewPbomParentEntity cp = getParent(it);
                 addToT1(convert(cp, it, root.getMaterialNo(), false));
                 if (Objects.nonNull(cp)) {
-                    if (is21) {
+                    if (!is31) {
                         buildChildrenForSap(ddpRowId, cp, it, false);
                     } else {
                         //选出直发包