diff --git a/server/application/service/participant_service.go b/server/application/service/participant_service.go
index fcd258b..f396dca 100644
--- a/server/application/service/participant_service.go
+++ b/server/application/service/participant_service.go
@@ -355,6 +355,12 @@ func (app *ParticipantApp) getFATEClusterUpgradeableVersionList(ClusterUUID stri
 		return "", nil, err
 	}
 	participant := participantInstance.(*entity.ParticipantFATE)
+
+	//Check whether it is a cluster managed by fedlcm, a cluster not managed by fedlcm cannot be upgraded
+	if !participant.IsManaged {
+		return "", nil, errors.New("The cluster not managed by FedLCM cannot be upgraded.")
+	}
+
 	instance, err := app.ChartRepo.GetByUUID(participant.ChartUUID)
 	if err != nil {
 		ClusterChartVersion = utils.GetChartVersionFromDeploymentYAML(participant.DeploymentYAML)
diff --git a/server/domain/service/participant_fate_upgrade_service.go b/server/domain/service/participant_fate_upgrade_service.go
index 828c69a..f029189 100644
--- a/server/domain/service/participant_fate_upgrade_service.go
+++ b/server/domain/service/participant_fate_upgrade_service.go
@@ -49,6 +49,11 @@ func (s *ParticipantFATEService) UpgradeExchange(req *ParticipantFATEExchangeUpg
 	}
 	exchange := participantInstance.(*entity.ParticipantFATE)
 
+	//Check whether it is a cluster managed by fedlcm, a cluster not managed by fedlcm cannot be upgraded
+	if !exchange.IsManaged {
+		return nil, nil, errors.New("The cluster not managed by FedLCM cannot be upgraded.")
+	}
+
 	if err := s.EndpointService.TestKubeFATE(exchange.EndpointUUID); err != nil {
 		return nil, nil, err
 	}
@@ -196,6 +201,11 @@ func (s *ParticipantFATEService) UpgradeCluster(req *ParticipantFATEClusterUpgra
 	}
 	cluster := participantInstance.(*entity.ParticipantFATE)
 
+	//Check whether it is a cluster managed by fedlcm, a cluster not managed by fedlcm cannot be upgraded
+	if !exchange.IsManaged {
+		return nil, nil, errors.New("The cluster not managed by FedLCM cannot be upgraded.")
+	}
+
 	if err := s.EndpointService.TestKubeFATE(cluster.EndpointUUID); err != nil {
 		return nil, nil, err
 	}