diff --git a/win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/service/purchase/PurchaseMainServiceImpl.java b/win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/service/purchase/PurchaseMainServiceImpl.java
index 93eabce370..ae399802f0 100644
--- a/win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/service/purchase/PurchaseMainServiceImpl.java
+++ b/win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/service/purchase/PurchaseMainServiceImpl.java
@@ -571,12 +571,18 @@ public class PurchaseMainServiceImpl implements PurchaseMainService {
                 purchasePlanStatus.newObject(purchasePlanMainDO.getAutoPublish(),purchasePlanMainDO.getAutoAccept());
                 purchasePlanMainDO.setStatus(purchasePlanStatus.getState().getCode());
                 purchasePlanMainDO.setDepartmentCode(userApi.getUser(getLoginUserId()).getDeptId().toString());
-                purchasePlanMainMapper.insert(purchasePlanMainDO);
+
                 //新增要货计划子表
                 QueryWrapper<PurchaseDetailDO> purchaseDetailDOQueryWrapper = new QueryWrapper<>();
                 purchaseDetailDOQueryWrapper.eq("number", mainDO.getNumber());
                 purchaseDetailDOQueryWrapper.eq("available","TRUE");
                 List<PurchaseDetailDO> purchasePlanDetailDOList = purchaseDetailMapper.selectList(purchaseDetailDOQueryWrapper);
+                if(purchasePlanDetailDOList == null || purchasePlanDetailDOList.size() == 0){
+                    throw exception(PURCHASE_DETAIL_NOT_EXISTS);
+                }
+                PurchaseDetailDO temp = purchasePlanDetailDOList.get(0);
+                purchasePlanMainDO.setPoNumber(temp.getNumber());
+                purchasePlanMainMapper.insert(purchasePlanMainDO);
                 for (PurchaseDetailDO purchaseDetailDO : purchasePlanDetailDOList) {
                     PurchasePlanDetailDO purchasePlanDetailDO = new PurchasePlanDetailDO();
                     purchasePlanDetailDO.setMasterId(purchasePlanMainDO.getId());