diff --git a/services/pln/implments/CustOrderLogic.service.impl.go b/services/pln/implments/CustOrderLogic.service.impl.go
index abf0000..6b044ad 100644
--- a/services/pln/implments/CustOrderLogic.service.impl.go
+++ b/services/pln/implments/CustOrderLogic.service.impl.go
@@ -765,7 +765,7 @@ 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())
+			serialNumber, err := snrDao.GetNextSnrWithTime(product.SerialOrderSnr, serialOrder.PlanStartTime.Restore())
 			if err != nil {
 				_ = session.Rollback()
 				return grmi.NewBusinessError("生成工单流水号失败, error:" + err.Error())