diff --git a/pkg/karmadactl/cmdinit/karmada/deploy.go b/pkg/karmadactl/cmdinit/karmada/deploy.go
index 614b53223c8a..5b573f227ee6 100644
--- a/pkg/karmadactl/cmdinit/karmada/deploy.go
+++ b/pkg/karmadactl/cmdinit/karmada/deploy.go
@@ -29,7 +29,7 @@ import (
 const namespace = "karmada-system"
 
 // InitKarmadaResources Initialize karmada resource
-func InitKarmadaResources(dir, caBase64 string) error {
+func InitKarmadaResources(dir, caBase64 string, systemNamespace string) error {
 	restConfig, err := utils.RestConfig(filepath.Join(dir, options.KarmadaKubeConfigName))
 	if err != nil {
 		return err
@@ -80,18 +80,18 @@ func InitKarmadaResources(dir, caBase64 string) error {
 
 	// create webhook configuration
 	// https://github.com/karmada-io/karmada/blob/master/artifacts/deploy/webhook-configuration.yaml
-	klog.Info("Crate MutatingWebhookConfiguration mutating-config.")
-	if err = createMutatingWebhookConfiguration(clientSet, mutatingConfig(caBase64)); err != nil {
+	klog.Info("Create MutatingWebhookConfiguration mutating-config.")
+	if err = createMutatingWebhookConfiguration(clientSet, mutatingConfig(caBase64, systemNamespace)); err != nil {
 		klog.Exitln(err)
 	}
-	klog.Info("Crate ValidatingWebhookConfiguration validating-config.")
+	klog.Info("Create ValidatingWebhookConfiguration validating-config.")
 
-	if err = createValidatingWebhookConfiguration(clientSet, validatingConfig(caBase64)); err != nil {
+	if err = createValidatingWebhookConfiguration(clientSet, validatingConfig(caBase64, systemNamespace)); err != nil {
 		klog.Exitln(err)
 	}
 
 	// karmada-aggregated-apiserver
-	if err = initAPIService(clientSet, restConfig); err != nil {
+	if err = initAPIService(clientSet, restConfig, systemNamespace); err != nil {
 		klog.Exitln(err)
 	}
 
@@ -163,7 +163,7 @@ func getName(str, start, end string) string {
 	return str
 }
 
-func initAPIService(clientSet *kubernetes.Clientset, restConfig *rest.Config) error {
+func initAPIService(clientSet *kubernetes.Clientset, restConfig *rest.Config, externalNamespace string) error {
 	// https://github.com/karmada-io/karmada/blob/master/artifacts/deploy/apiservice.yaml
 	aaService := &corev1.Service{
 		TypeMeta: metav1.TypeMeta{
@@ -176,7 +176,7 @@ func initAPIService(clientSet *kubernetes.Clientset, restConfig *rest.Config) er
 		},
 		Spec: corev1.ServiceSpec{
 			Type:         corev1.ServiceTypeExternalName,
-			ExternalName: fmt.Sprintf("karmada-aggregated-apiserver.%s.svc.cluster.local", namespace),
+			ExternalName: fmt.Sprintf("karmada-aggregated-apiserver.%s.svc", externalNamespace),
 		},
 	}
 	if _, err := clientSet.CoreV1().Services(namespace).Create(context.TODO(), aaService, metav1.CreateOptions{}); err != nil {
diff --git a/pkg/karmadactl/cmdinit/karmada/webhook_configuration.go b/pkg/karmadactl/cmdinit/karmada/webhook_configuration.go
index 339e22516b30..a4b19819a6e7 100644
--- a/pkg/karmadactl/cmdinit/karmada/webhook_configuration.go
+++ b/pkg/karmadactl/cmdinit/karmada/webhook_configuration.go
@@ -13,7 +13,7 @@ import (
 	"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/utils"
 )
 
-func mutatingConfig(caBundle string) string {
+func mutatingConfig(caBundle string, systemNamespace string) string {
 	return fmt.Sprintf(`apiVersion: admissionregistration.k8s.io/v1
 kind: MutatingWebhookConfiguration
 metadata:
@@ -76,10 +76,10 @@ webhooks:
     failurePolicy: Fail
     sideEffects: None
     admissionReviewVersions: ["v1"]
-    timeoutSeconds: 3`, namespace, caBundle, namespace, caBundle, namespace, caBundle, namespace, caBundle)
+    timeoutSeconds: 3`, systemNamespace, caBundle, systemNamespace, caBundle, systemNamespace, caBundle, systemNamespace, caBundle)
 }
 
-func validatingConfig(caBundle string) string {
+func validatingConfig(caBundle string, systemNamespace string) string {
 	return fmt.Sprintf(`apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
@@ -156,7 +156,7 @@ webhooks:
     failurePolicy: Fail
     sideEffects: None
     admissionReviewVersions: ["v1"]
-    timeoutSeconds: 3`, namespace, caBundle, namespace, caBundle, namespace, caBundle, namespace, caBundle, namespace, caBundle)
+    timeoutSeconds: 3`, systemNamespace, caBundle, systemNamespace, caBundle, systemNamespace, caBundle, systemNamespace, caBundle, systemNamespace, caBundle)
 }
 
 func createValidatingWebhookConfiguration(c *kubernetes.Clientset, staticYaml string) error {
diff --git a/pkg/karmadactl/cmdinit/kubernetes/deploy.go b/pkg/karmadactl/cmdinit/kubernetes/deploy.go
index 3e11aa486635..fabb3f58a14a 100644
--- a/pkg/karmadactl/cmdinit/kubernetes/deploy.go
+++ b/pkg/karmadactl/cmdinit/kubernetes/deploy.go
@@ -417,7 +417,7 @@ func (i *CommandInitOption) RunInit(_ io.Writer, parentCommand string) error {
 
 	// Create CRDs in karmada
 	caBase64 := base64.StdEncoding.EncodeToString(i.CertAndKeyFileData[fmt.Sprintf("%s.crt", options.CaCertAndKeyName)])
-	if err := karmada.InitKarmadaResources(i.KarmadaDataPath, caBase64); err != nil {
+	if err := karmada.InitKarmadaResources(i.KarmadaDataPath, caBase64, i.Namespace); err != nil {
 		return err
 	}
 
diff --git a/pkg/karmadactl/cmdinit/kubernetes/deployments.go b/pkg/karmadactl/cmdinit/kubernetes/deployments.go
index 97c4698cee09..fd339b85b7ea 100644
--- a/pkg/karmadactl/cmdinit/kubernetes/deployments.go
+++ b/pkg/karmadactl/cmdinit/kubernetes/deployments.go
@@ -11,6 +11,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/intstr"
 
 	"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/options"
+	"github.com/karmada-io/karmada/pkg/util"
 )
 
 const (
@@ -268,7 +269,7 @@ func (i *CommandInitOption) makeKarmadaKubeControllerManagerDeployment() *appsv1
 					"--controllers=namespace,garbagecollector,serviceaccount-token",
 					"--kubeconfig=/etc/kubeconfig",
 					"--leader-elect=true",
-					fmt.Sprintf("--leader-elect-resource-namespace=%s", i.Namespace),
+					fmt.Sprintf("--leader-elect-resource-namespace=%s", util.NamespaceKarmadaSystem),
 					"--node-cidr-mask-size=24",
 					"--port=0",
 					fmt.Sprintf("--root-ca-file=%s/%s.crt", karmadaCertsVolumeMountPath, options.CaCertAndKeyName),
@@ -389,7 +390,7 @@ func (i *CommandInitOption) makeKarmadaSchedulerDeployment() *appsv1.Deployment
 					"--feature-gates=Failover=true",
 					"--enable-scheduler-estimator=true",
 					"--leader-elect=true",
-					fmt.Sprintf("--leader-elect-resource-namespace=%s", i.Namespace),
+					fmt.Sprintf("--leader-elect-resource-namespace=%s", util.NamespaceKarmadaSystem),
 					"--v=4",
 				},
 				VolumeMounts: []corev1.VolumeMount{