diff --git a/pkg/configmanager/asset/cluster/clusterasset.go b/pkg/configmanager/asset/cluster/clusterasset.go
index 4dcd9530d8a58533925c61ff85aa8c39b370c054..225c6854beb81d934528ad9686ff1c9de3dc6ad8 100644
--- a/pkg/configmanager/asset/cluster/clusterasset.go
+++ b/pkg/configmanager/asset/cluster/clusterasset.go
@@ -23,18 +23,14 @@ import (
 	"gopkg.in/yaml.v2"
 )
 
-var ClusterConfig *ClusterAsset
-
-// ========== Package method ==========
-
-func GetClusterConfig() (*ClusterAsset, error) {
-	return ClusterConfig, nil
-}
+// Set global data
+var ClusterConfig map[string]*ClusterAsset
 
 // ========== Structure method ==========
 
 type ClusterAsset struct {
 	Node
+	ClusterID         string
 	KubernetesVersion string
 }
 
@@ -44,6 +40,15 @@ type Node struct {
 
 // TODO: Initial inits the cluster asset.
 func (ca *ClusterAsset) Initial(cmd *cobra.Command) error {
+	if err := ca.setClusterAsset(cmd); err != nil {
+		return err
+	}
+	ClusterConfig[ca.ClusterID] = ca
+
+	return nil
+}
+
+func (ca *ClusterAsset) setClusterAsset(cmd *cobra.Command) error {
 	configFile, _ := cmd.Flags().GetString("cluster-config-file")
 
 	if configFile != "" {
@@ -53,8 +58,7 @@ func (ca *ClusterAsset) Initial(cmd *cobra.Command) error {
 			return err
 		}
 
-		err = yaml.Unmarshal(configData, ca)
-		if err != nil {
+		if err := yaml.Unmarshal(configData, ca); err != nil {
 			return err
 		}
 	}
@@ -66,8 +70,6 @@ func (ca *ClusterAsset) Initial(cmd *cobra.Command) error {
 		ca.KubernetesVersion = "default k8s version"
 	}
 
-	ClusterConfig = ca
-
 	return nil
 }
 
@@ -78,13 +80,13 @@ func (ca *ClusterAsset) Delete() error {
 
 // TODO: Persist persists the cluster asset.
 func (ca *ClusterAsset) Persist() error {
-	// TODO: Serialize the cluster asset to json or yaml.
-	clusterConfig, err := yaml.Marshal(ca)
+	// Serialize the cluster asset to yaml.
+	clusterData, err := yaml.Marshal(ca)
 	if err != nil {
 		return err
 	}
 
-	err = os.WriteFile("cluster_config.yaml", clusterConfig, 0644)
+	err = os.WriteFile("cluster_config.yaml", clusterData, 0644)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/configmanager/asset/global/globalasset.go b/pkg/configmanager/asset/global/globalasset.go
index db95c73192f1739c0c5841407b3af4bcc3555ee2..8a0e9190c016d289ca0f745852b3c2454afe08c7 100644
--- a/pkg/configmanager/asset/global/globalasset.go
+++ b/pkg/configmanager/asset/global/globalasset.go
@@ -20,37 +20,26 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// Set global data
 var GlobalConfig *GlobalAsset
 
-// ========== Package method ==========
-
-func GetGlobalConfig() (*GlobalAsset, error) {
-	return GlobalConfig, nil
-}
-
 // ========== Structure method ==========
 
 type GlobalAsset struct {
-	// Having previously set IsInitial as a global variable, it cannot be fixed to true after
-	// GlobalAsset executes Initial for the first time, so it is placed in the struct first.
-	IsInitial   bool
-	NKD_Version string
-	Log_Level   string
+	Log_Level string
 }
 
 // TODO: Initial inits the global asset.
 func (ga *GlobalAsset) Initial(cmd *cobra.Command) error {
-	if ga.IsInitial {
-		return nil
+	if err := ga.setGlobalAsset(cmd); err != nil {
+		return err
 	}
+	GlobalConfig = ga
 
-	nkd_version, _ := cmd.Flags().GetString("version")
-	if nkd_version != "" {
-		ga.NKD_Version = nkd_version
-	} else {
-		ga.NKD_Version = "default nkd version"
-	}
+	return nil
+}
 
+func (ga *GlobalAsset) setGlobalAsset(cmd *cobra.Command) error {
 	log_level, _ := cmd.Flags().GetString("log-level")
 	if log_level != "" {
 		ga.Log_Level = log_level
@@ -58,9 +47,6 @@ func (ga *GlobalAsset) Initial(cmd *cobra.Command) error {
 		ga.Log_Level = "default log level"
 	}
 
-	GlobalConfig = ga
-
-	ga.IsInitial = true
 	return nil
 }
 
@@ -71,6 +57,6 @@ func (ga *GlobalAsset) Delete() error {
 
 // TODO: Persist persists the global asset.
 func (ga *GlobalAsset) Persist() error {
-	// TODO: Serialize the global asset to json or yaml.
+	// TODO
 	return nil
 }
diff --git a/pkg/configmanager/manager/manager.go b/pkg/configmanager/manager/manager.go
index 7921f2e73f04410876275cf598bc7bbd7cdae66b..fcf3227c8b4c19c983a253b9fc853731bac4bc10 100644
--- a/pkg/configmanager/manager/manager.go
+++ b/pkg/configmanager/manager/manager.go
@@ -17,6 +17,7 @@ limitations under the License.
 package manager
 
 import (
+	"errors"
 	"nestos-kubernetes-deployer/pkg/configmanager/asset/cluster"
 	"nestos-kubernetes-deployer/pkg/configmanager/asset/global"
 
@@ -24,16 +25,15 @@ import (
 )
 
 func Initial(cmd *cobra.Command) error {
-	var globalAsset *global.GlobalAsset
-	var clusterAsset *cluster.ClusterAsset
-
-	err := globalAsset.Initial(cmd)
-	if err != nil {
+	// Init global asset.
+	globalAsset := &global.GlobalAsset{}
+	if err := globalAsset.Initial(cmd); err != nil {
 		return err
 	}
 
-	err = clusterAsset.Initial(cmd)
-	if err != nil {
+	// Init cluster asset.
+	clusterAsset := &cluster.ClusterAsset{}
+	if err := clusterAsset.Initial(cmd); err != nil {
 		return err
 	}
 
@@ -44,7 +44,36 @@ func Search() error {
 	return nil
 }
 
+func GetGlobalConfig() (*global.GlobalAsset, error) {
+	return global.GlobalConfig, nil
+}
+
+func GetClusterConfig(clusterID string) (*cluster.ClusterAsset, error) {
+	clusterConfig, ok := cluster.ClusterConfig[clusterID]
+	if !ok {
+		return nil, errors.New("ClusterID not found")
+	}
+
+	return clusterConfig, nil
+}
+
 func Persist() error {
+	// Persist global asset.
+	globalConfig, err := GetGlobalConfig()
+	if err != nil {
+		return err
+	}
+	if err := globalConfig.Persist(); err != nil {
+		return err
+	}
+
+	// Persist cluster asset.
+	for _, clusterConfig := range cluster.ClusterConfig {
+		if err := clusterConfig.Persist(); err != nil {
+			return err
+		}
+	}
+
 	return nil
 }