diff --git a/cluster/images/agent.Dockerfile b/cluster/images/agent.Dockerfile
index e80d1c4d8..fda01383b 100644
--- a/cluster/images/agent.Dockerfile
+++ b/cluster/images/agent.Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest as release-env
+FROM ubuntu:latest AS release-env
 
 ARG BINARY
 
diff --git a/cluster/images/buildx.agent.Dockerfile b/cluster/images/buildx.agent.Dockerfile
index 3e9c78e69..48770fe17 100644
--- a/cluster/images/buildx.agent.Dockerfile
+++ b/cluster/images/buildx.agent.Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest as release-env
+FROM ubuntu:latest AS release-env
 
 ARG BINARY
 ARG TARGETPLATFORM
diff --git a/deploy/crds/kosmos.io_kubenestconfigurations.yaml b/deploy/crds/kosmos.io_kubenestconfigurations.yaml
index 40c180383..d1f1c02d3 100644
--- a/deploy/crds/kosmos.io_kubenestconfigurations.yaml
+++ b/deploy/crds/kosmos.io_kubenestconfigurations.yaml
@@ -77,7 +77,7 @@ spec:
                       type: string
                     type: array
                 type: object
-              useTenantDns:
+              useTenantDNS:
                 default: false
                 type: boolean
             type: object
diff --git a/deploy/crds/kosmos.io_virtualclusters.yaml b/deploy/crds/kosmos.io_virtualclusters.yaml
index 0d53fad43..9321b6fa6 100644
--- a/deploy/crds/kosmos.io_virtualclusters.yaml
+++ b/deploy/crds/kosmos.io_virtualclusters.yaml
@@ -95,7 +95,7 @@ spec:
                           type: string
                         type: array
                     type: object
-                  useTenantDns:
+                  useTenantDNS:
                     default: false
                     type: boolean
                 type: object
diff --git a/pkg/generated/openapi/zz_generated.openapi.go b/pkg/generated/openapi/zz_generated.openapi.go
index ccedfea20..2479f6fb4 100644
--- a/pkg/generated/openapi/zz_generated.openapi.go
+++ b/pkg/generated/openapi/zz_generated.openapi.go
@@ -1983,7 +1983,7 @@ func schema_pkg_apis_kosmos_v1alpha1_KubeInKubeConfig(ref common.ReferenceCallba
 							Format: "",
 						},
 					},
-					"useTenantDns": {
+					"useTenantDNS": {
 						SchemaProps: spec.SchemaProps{
 							Type:   []string{"boolean"},
 							Format: "",
diff --git a/pkg/kubenest/constants/constant.go b/pkg/kubenest/constants/constant.go
index 0613b33e6..678893f52 100644
--- a/pkg/kubenest/constants/constant.go
+++ b/pkg/kubenest/constants/constant.go
@@ -3,6 +3,8 @@ package constants
 import (
 	"time"
 
+	corev1 "k8s.io/api/core/v1"
+
 	"github.com/kosmos.io/kosmos/pkg/utils"
 )
 
@@ -142,8 +144,12 @@ type Action string
 var APIServerServiceSubnet string
 var KubeControllerManagerPodSubnet string
 
+var PreferredAddressType corev1.NodeAddressType
+
 func init() {
 	APIServerServiceSubnet = utils.GetEnvWithDefaultValue("SERVICE_SUBNET", "10.237.6.0/18")
 	// fd11:1122:1111::/48,
 	KubeControllerManagerPodSubnet = utils.GetEnvWithDefaultValue("POD_SUBNET", "10.244.0.0/16")
+
+	PreferredAddressType = corev1.NodeAddressType(utils.GetEnvWithDefaultValue("PREFERRED_ADDRESS_TYPE", string(corev1.NodeInternalIP)))
 }
diff --git a/pkg/kubenest/controller/global.node.controller/global_node_controller.go b/pkg/kubenest/controller/global.node.controller/global_node_controller.go
index 9f98ce92f..a9dbacdb7 100644
--- a/pkg/kubenest/controller/global.node.controller/global_node_controller.go
+++ b/pkg/kubenest/controller/global.node.controller/global_node_controller.go
@@ -227,9 +227,9 @@ func (r *GlobalNodeController) Reconcile(ctx context.Context, request reconcile.
 			}
 			globalNode.Name = request.Name
 			globalNode.Spec.State = v1alpha1.NodeReserved
-			firstNodeIP, err := utils.FindFirstNodeIPAddress(*rootNode, v1.NodeInternalIP)
+			firstNodeIP, err := utils.FindFirstNodeIPAddress(*rootNode, constants.PreferredAddressType)
 			if err != nil {
-				klog.Errorf("get first node ip address err: %s %s", v1.NodeInternalIP, err.Error())
+				klog.Errorf("get first node ip address err: %s %s", constants.PreferredAddressType, err.Error())
 			}
 			globalNode.Spec.NodeIP = firstNodeIP
 			if _, err = r.KosmosClient.KosmosV1alpha1().GlobalNodes().Create(ctx, &globalNode, metav1.CreateOptions{}); err != nil {
diff --git a/pkg/kubenest/controller/virtualcluster_init_controller.go b/pkg/kubenest/controller/virtualcluster_init_controller.go
index 7463ba51d..736a56ed0 100644
--- a/pkg/kubenest/controller/virtualcluster_init_controller.go
+++ b/pkg/kubenest/controller/virtualcluster_init_controller.go
@@ -778,7 +778,7 @@ func (c *VirtualClusterInitController) findHostAddresses() ([]string, error) {
 	ret := []string{}
 
 	for _, node := range nodes.Items {
-		addr, err := utils.FindFirstNodeIPAddress(node, corev1.NodeExternalIP)
+		addr, err := utils.FindFirstNodeIPAddress(node, constants.PreferredAddressType)
 		if err != nil {
 			return nil, err
 		}
diff --git a/pkg/kubenest/controlplane/etcd.go b/pkg/kubenest/controlplane/etcd.go
index 3ce484a30..2d7607c7a 100644
--- a/pkg/kubenest/controlplane/etcd.go
+++ b/pkg/kubenest/controlplane/etcd.go
@@ -37,7 +37,7 @@ func installEtcd(client clientset.Interface, name, namespace string, kubeNestCon
 	var resourceQuantity resource.Quantity
 	var err error
 
-	if vc.Spec.KubeInKubeConfig.ETCDUnitSize != "" {
+	if vc.Spec.KubeInKubeConfig != nil && vc.Spec.KubeInKubeConfig.ETCDUnitSize != "" {
 		resourceQuantity, err = resource.ParseQuantity(vc.Spec.KubeInKubeConfig.ETCDUnitSize)
 		if err != nil {
 			klog.Errorf("Failed to parse etcdSize %s: %v", vc.Spec.KubeInKubeConfig.ETCDUnitSize, err)
@@ -56,7 +56,6 @@ func installEtcd(client clientset.Interface, name, namespace string, kubeNestCon
 			return err
 		}
 		resourceQuantity.Set(resourceQuantity.Value() * int64(nodeCount))
-
 	}
 
 	initialClusters := make([]string, constants.EtcdReplicas)