diff --git a/services/pln/implments/CustOrderLogic.service.impl.go b/services/pln/implments/CustOrderLogic.service.impl.go
index 110d28e..abf0000 100644
--- a/services/pln/implments/CustOrderLogic.service.impl.go
+++ b/services/pln/implments/CustOrderLogic.service.impl.go
@@ -742,11 +742,7 @@ func (impl *CustOrderServiceImplement) ReleaseCustOrder(user *global.User, custO
 		if err = session.Begin(); err != nil {
 			return grmi.NewBusinessError("开启事务失败, 错误:" + err.Error())
 		}
-		serialNumber, err := snrDao.GetNextSnrWithTime(project.SerialOrderSnr, waitReleaseSerialOrderLi[0].PlanStartTime.Restore())
-		if err != nil {
-			_ = session.Rollback()
-			return grmi.NewBusinessError("生成工单流水号失败, error:" + err.Error())
-		}
+
 		var needPreOrder bool
 		for _, serialOrder := range waitReleaseSerialOrderLi {
 			if len(serialOrder.PreOrderLi) != 0 {
@@ -769,6 +765,11 @@ func (impl *CustOrderServiceImplement) ReleaseCustOrder(user *global.User, custO
 			if product.CtrlStr1 == meModel.PRODUCT_TYPE_PRE {
 				isPre = true
 			}
+			serialNumber, err := snrDao.GetNextSnrWithTime(product.SerialOrderSnr, waitReleaseSerialOrderLi[0].PlanStartTime.Restore())
+			if err != nil {
+				_ = session.Rollback()
+				return grmi.NewBusinessError("生成工单流水号失败, error:" + err.Error())
+			}
 			serialOrderSvr.ReplaceData(&serialOrder, serialNumber, isPre)
 			for index, preOrder := range serialOrder.PreOrderLi {
 				preOrder.MainOrderId = serialOrder.SerialOrderId