diff --git a/cmd/kk/apis/kubekey/v1alpha2/cluster_types.go b/cmd/kk/apis/kubekey/v1alpha2/cluster_types.go
index 1a304e15..13b1e2dc 100644
--- a/cmd/kk/apis/kubekey/v1alpha2/cluster_types.go
+++ b/cmd/kk/apis/kubekey/v1alpha2/cluster_types.go
@@ -92,6 +92,7 @@ type CustomScripts struct {
 
 // System defines the system config for each node in cluster.
 type System struct {
+	Initials        []CustomScripts `yaml:"initials" json:"initials,omitempty"`
 	NtpServers      []string        `yaml:"ntpServers" json:"ntpServers,omitempty"`
 	Timezone        string          `yaml:"timezone" json:"timezone,omitempty"`
 	Rpms            []string        `yaml:"rpms" json:"rpms,omitempty"`
diff --git a/cmd/kk/pkg/pipelines/create_cluster.go b/cmd/kk/pkg/pipelines/create_cluster.go
index cfe31a3b..fcf7c7e4 100644
--- a/cmd/kk/pkg/pipelines/create_cluster.go
+++ b/cmd/kk/pkg/pipelines/create_cluster.go
@@ -58,6 +58,7 @@ func NewCreateClusterPipeline(runtime *common.KubeRuntime) error {
 
 	m := []module.Module{
 		&precheck.GreetingsModule{},
+		&customscripts.CustomScriptsModule{Phase: "Initial", Scripts: runtime.Cluster.System.Initials},
 		&precheck.NodePreCheckModule{},
 		&confirm.InstallConfirmModule{},
 		&artifact.UnArchiveModule{Skip: noArtifact},
diff --git a/docs/config-example.md b/docs/config-example.md
index 54dce754..479cb5c6 100644
--- a/docs/config-example.md
+++ b/docs/config-example.md
@@ -42,7 +42,16 @@ spec:
     # Specify additional packages to be installed. The ISO file which is contained in the artifact is required.
     debs: 
       - nfs-common
-    #preInstall:  # Specify custom init shell scripts for each nodes, and execute according to the list order.
+    # initials:
+    #   - name: Install hd tool
+    #     bash: curl https://gitee.com/linuxsuren/tools/raw/master/install-zh.sh|bash
+    #   - name: Install packages
+    #     bash: |
+    #       hd setup --proxy ghproxy.com --provider gitee
+    #       hd i chrony
+    #       hd i conntrack
+    #       hd i socat
+    #preInstall:  # Specify custom init shell scripts for each nodes, and execute according to the list order before install container runtime.
     #  - name: format and mount disk  
     #    bash: /bin/bash -x setup-disk.sh
     #    materials: # scripts can has some dependency materials. those will copy to the node