diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/InvoiceApplicationServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/InvoiceApplicationServiceImpl.java
index 2438e690..7eef829a 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/InvoiceApplicationServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/InvoiceApplicationServiceImpl.java
@@ -43,6 +43,7 @@ import org.springblade.thirdparty.bfi.pojo.dto.BfiInvoiceApplyQueryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiInvoiceApplySaveDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiInvoiceApplySaveEntryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiInvoiceApplySaveFreightDTO;
+import org.springblade.thirdparty.bfi.pojo.vo.BfiBillSaveResultItemVO;
 import org.springblade.thirdparty.bfi.pojo.vo.BfiBillSaveResultVO;
 import org.springblade.thirdparty.bfi.pojo.vo.BfiInvoiceApplyOpenApiBillVO;
 import org.springblade.thirdparty.bfi.pojo.vo.BfiInvoiceApplyOpenApiInvoiceVO;
@@ -733,9 +734,11 @@ public class InvoiceApplicationServiceImpl extends BaseServiceImpl<InvoiceApplic
 	public String doSyncKingdee(Long id) {
 		InvoiceApplication entity = lockedExisting(id);
 		if (!TransportBusiConstant.APPROVED.equals(entity.getApprovalStatus())) throw new ServiceException("仅审批通过的开票申请允许同步金蝶");
-		// 已同步/已开票幂等返回（开票完成为终态）；星瀚内码由附件补传分支经 A303-4 反查回填
-		if (KingdeeBfiConstant.KINGDEE_STATUS_SYNCED.equals(entity.getKingdeeStatus())
-			|| KingdeeBfiConstant.KINGDEE_STATUS_INVOICED.equals(entity.getKingdeeStatus())) {
+		// 已开票为终态幂等返回；已同步且星瀚内码齐备幂等返回——
+		// 已同步但内码缺失（历史推送未落内码）放行，走下方 A303-4 勾稽反查补内码，供 A902 附件上传定位金蝶单据
+		if (KingdeeBfiConstant.KINGDEE_STATUS_INVOICED.equals(entity.getKingdeeStatus())
+			|| (KingdeeBfiConstant.KINGDEE_STATUS_SYNCED.equals(entity.getKingdeeStatus())
+				&& Func.isNotBlank(entity.getKingdeeBillId()))) {
 			return entity.getKingdeeBillNo();
 		}
 		if (Func.isBlank(entity.getApplicationNo())) throw new ServiceException("推送金蝶开票申请失败：开票申请单号为空");
@@ -882,7 +885,12 @@ public class InvoiceApplicationServiceImpl extends BaseServiceImpl<InvoiceApplic
 			BfiBillSaveResultVO saveResult = bfiService.saveInvoiceApply(param);
 			kingdeeApBillSyncSupport.requireBfiSaveSuccess(saveResult,
 				"推送金蝶开票申请发票张[" + Func.toStr(sheet.getSheetNo()) + "]");
-			String kingdeeNo = saveResult.getResult().get(0).getNumber();
+			BfiBillSaveResultItemVO saveItem = saveResult.getResult().get(0);
+			String kingdeeNo = saveItem.getNumber();
+			// 星瀚内码随 A303-1 保存结果回填（A902 附件上传定位金蝶单据用），缺失时由 A303-4 勾稽反查兜底
+			if (Func.isBlank(entity.getKingdeeBillId()) && saveItem.getId() != null) {
+				entity.setKingdeeBillId(String.valueOf(saveItem.getId()));
+			}
 			sheet.setKingdeeBillNo(kingdeeNo);
 			savedBillNos.add(kingdeeNo);
 			pushedNew = true;