diff --git a/e2e/suite_test.go b/e2e/suite_test.go
index a1644087d..982d21f18 100644
--- a/e2e/suite_test.go
+++ b/e2e/suite_test.go
@@ -96,8 +96,8 @@ var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
 	gomega.Expect(secretCreateErr).ShouldNot(gomega.HaveOccurred())
 
 	attachedCreateErr := resources.CreateAttachedCluster(kuratorClient, attachedcluster)
-	gomega.Expect(attachedCreateErr).ShouldNot(gomega.HaveOccurred())
 	resources.WaitAttachedClusterFitWith(kuratorClient, namespace, memberClusterName, func(attachedCluster *clusterv1a1.AttachedCluster) bool {
 		return attachedCluster.Status.Ready
 	})
+	gomega.Expect(attachedCreateErr).ShouldNot(gomega.HaveOccurred())
 })
diff --git a/pkg/cluster-operator/customcluster_helper.go b/pkg/cluster-operator/customcluster_helper.go
index a75587622..44dc08ad9 100644
--- a/pkg/cluster-operator/customcluster_helper.go
+++ b/pkg/cluster-operator/customcluster_helper.go
@@ -283,11 +283,15 @@ func generateClusterConfigKey(customCluster *v1alpha1.CustomCluster) client.Obje
 }
 
 func generateClusterHostsName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterHostsName
+	hostName := customCluster.Name + "-" + ClusterHostsName
+	hostName = names.SimpleNameGenerator.GenerateName(hostName)
+	return hostName
 }
 
 func generateClusterConfigName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterConfigName
+	configName := customCluster.Name + "-" + ClusterConfigName
+	configName = names.SimpleNameGenerator.GenerateName(configName)
+	return configName
 }
 
 func generateOwnerRefFromCustomCluster(customCluster *v1alpha1.CustomCluster) metav1.OwnerReference {
diff --git a/pkg/cluster-operator/customcluster_scale.go b/pkg/cluster-operator/customcluster_scale.go
index 99d49d2b3..2fc7d4c78 100644
--- a/pkg/cluster-operator/customcluster_scale.go
+++ b/pkg/cluster-operator/customcluster_scale.go
@@ -25,6 +25,7 @@ import (
 	corev1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apiserver/pkg/storage/names"
 	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
 	controlplanev1 "sigs.k8s.io/cluster-api/controlplane/kubeadm/api/v1beta1"
 	"sigs.k8s.io/cluster-api/util/conditions"
@@ -234,7 +235,9 @@ func generateScaleUpHostsKey(customCluster *v1alpha1.CustomCluster) client.Objec
 }
 
 func generateScaleUpHostsName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterHostsName + "-scale-up"
+	scaleUpHostName := customCluster.Name + "-" + ClusterHostsName + "-scale-up"
+	scaleUpHostName = names.SimpleNameGenerator.GenerateName(scaleUpHostName)
+	return scaleUpHostName
 }
 
 // generateScaleDownManageCMD generate a kubespray cmd to delete the node from the list of nodesNeedDelete.
diff --git a/pkg/fleet-manager/controlplane.go b/pkg/fleet-manager/controlplane.go
index 38b2231bf..cc4896b6b 100644
--- a/pkg/fleet-manager/controlplane.go
+++ b/pkg/fleet-manager/controlplane.go
@@ -25,6 +25,7 @@ import (
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apiserver/pkg/storage/names"
 	ctrl "sigs.k8s.io/controller-runtime"
 
 	fleetapi "kurator.dev/kurator/pkg/apis/fleet/v1alpha1"
@@ -45,6 +46,7 @@ func (f *FleetManager) reconcileControlPlane(ctx context.Context, fleet *fleetap
 	}
 	// TODO: generate a valid name
 	podName := fleet.Name + "-init"
+	podName = names.SimpleNameGenerator.GenerateName(podName)
 	namespace := fleet.Namespace
 
 	clusterKey := types.NamespacedName{Name: podName, Namespace: namespace}
@@ -155,6 +157,7 @@ func (f *FleetManager) deleteControlPlane(ctx context.Context, fleet *fleetapi.F
 		return nil
 	}
 	podName := fleet.Name + "-delete"
+	podName = names.SimpleNameGenerator.GenerateName(podName)
 	namespace := fleet.Namespace
 
 	clusterKey := types.NamespacedName{Name: podName, Namespace: namespace}