diff --git a/builtin/core/roles/defaults/vars/10-download.yaml b/builtin/core/roles/defaults/vars/10-download.yaml
index 734714e2..250dc957 100644
--- a/builtin/core/roles/defaults/vars/10-download.yaml
+++ b/builtin/core/roles/defaults/vars/10-download.yaml
@@ -1,6 +1,8 @@
 download:
   # if set as "cn", so that online downloads will try to use available domestic sources whenever possible.
   zone: ""
+  # default cn zone file storage host
+  cn_host: kubekey.pek3b.qingstor.com
   arch: [ "amd64" ]
   # offline artifact package for kk.
   artifact_file: ""
@@ -10,91 +12,91 @@ download:
     etcd:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-amd64.tar.gz
+        https://{{ .download.cn_host }}/github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-amd64.tar.gz
         {{- else -}}
         https://github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-amd64.tar.gz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-arm64.tar.gz
+        https://{{ .download.cn_host }}/github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-arm64.tar.gz
         {{- else -}}
         https://github.com/etcd-io/etcd/releases/download/{{ .etcd.etcd_version }}/etcd-{{ .etcd.etcd_version }}-linux-arm64.tar.gz
         {{- end -}}
     kubeadm:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubeadm
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubeadm
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubeadm
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubeadm
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubeadm
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubeadm
         {{- end -}}
     kubelet:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubelet
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubelet
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubelet
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubelet
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubelet
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubelet
         {{- end -}}
     kubectl:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubectl
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubectl
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/amd64/kubectl
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubectl
+        https://{{ .download.cn_host }}/dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubectl
         {{- else -}}
         https://dl.k8s.io/release/{{ .kubernetes.kube_version }}/bin/linux/arm64/kubectl
         {{- end -}}
     cni_plugins:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-amd64-{{ .cni.cni_plugins_version }}.tgz
+        https://{{ .download.cn_host }}/github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-amd64-{{ .cni.cni_plugins_version }}.tgz
         {{- else -}}
         https://github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-amd64-{{ .cni.cni_plugins_version }}.tgz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-arm64-{{ .cni.cni_plugins_version }}.tgz
+        https://{{ .download.cn_host }}/github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-arm64-{{ .cni.cni_plugins_version }}.tgz
         {{- else -}}
         https://github.com/containernetworking/plugins/releases/download/{{ .cni.cni_plugins_version }}/cni-plugins-linux-arm64-{{ .cni.cni_plugins_version }}.tgz
         {{- end -}}
     helm:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-amd64.tar.gz
+        https://{{ .download.cn_host }}/get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-amd64.tar.gz
         {{- else -}}
         https://get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-amd64.tar.gz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-arm64.tar.gz
+        https://{{ .download.cn_host }}/get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-arm64.tar.gz
         {{- else -}}
         https://get.helm.sh/helm-{{ .kubernetes.helm_version }}-linux-arm64.tar.gz
         {{- end -}}
     crictl:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-amd64.tar.gz
+        https://{{ .download.cn_host }}/github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-amd64.tar.gz
         {{- else -}}
         https://github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-amd64.tar.gz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-arm64.tar.gz
+        https://{{ .download.cn_host }}/github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-arm64.tar.gz
         {{- else -}}
         https://github.com/kubernetes-sigs/cri-tools/releases/download/{{ .cri.crictl_version }}/crictl-{{ .cri.crictl_version }}-linux-arm64.tar.gz
         {{- end -}}
@@ -114,52 +116,52 @@ download:
     cridockerd:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.amd64.tgz
+        https://{{ .download.cn_host }}/github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.amd64.tgz
         {{- else -}}
         https://github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.amd64.tgz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.arm64.tgz
+        https://{{ .download.cn_host }}/github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.arm64.tgz
         {{- else -}}
         https://github.com/Mirantis/cri-dockerd/releases/download/{{ .cri.cridockerd_version }}/cri-dockerd-{{ .cri.cridockerd_version | default "" | trimPrefix "v" }}.arm64.tgz
         {{- end -}}
     containerd:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v" }}-linux-amd64.tar.gz
+        https://{{ .download.cn_host }}/github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v" }}-linux-amd64.tar.gz
         {{- else -}}
         https://github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v" }}-linux-amd64.tar.gz
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v" }}-linux-arm64.tar.gz
+        https://{{ .download.cn_host }}/github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v" }}-linux-arm64.tar.gz
         {{- else -}}
         https://github.com/containerd/containerd/releases/download/{{ .cri.containerd_version }}/containerd-{{ .cri.containerd_version | default "" | trimPrefix "v"  }}-linux-arm64.tar.gz
         {{- end -}}
     runc:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.amd64
+        https://{{ .download.cn_host }}/github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.amd64
         {{- else -}}
         https://github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.amd64
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.arm64
+        https://{{ .download.cn_host }}/github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.arm64
         {{- else -}}
         https://github.com/opencontainers/runc/releases/download/{{ .cri.runc_version }}/runc.arm64
         {{- end -}}
     dockercompose:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-x86_64
+        https://{{ .download.cn_host }}/github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-x86_64
         {{- else -}}
         https://github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-x86_64
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-aarch64
+        https://{{ .download.cn_host }}/github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-aarch64
         {{- else -}}
         https://github.com/docker/compose/releases/download/{{ .cri.dockercompose_version }}/docker-compose-linux-aarch64
         {{- end -}}
@@ -179,7 +181,7 @@ download:
     harbor:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/goharbor/harbor/releases/download/{{ .image_registry.harbor_version }}/harbor-offline-installer-{{ .image_registry.harbor_version }}.tgz
+        https://{{ .download.cn_host }}/github.com/goharbor/harbor/releases/download/{{ .image_registry.harbor_version }}/harbor-offline-installer-{{ .image_registry.harbor_version }}.tgz
         {{- else -}}
         https://github.com/goharbor/harbor/releases/download/{{ .image_registry.harbor_version }}/harbor-offline-installer-{{ .image_registry.harbor_version }}.tgz
         {{- end -}}
@@ -207,13 +209,13 @@ download:
     calicoctl:
       amd64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-amd64
+        https://{{ .download.cn_host }}/github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-amd64
         {{- else -}}
         https://github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-amd64
         {{- end -}}
       arm64: >-
         {{- if .download.zone | eq "cn" -}}
-        https://kubekey.pek3b.qingstor.com/github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-arm64
+        https://{{ .download.cn_host }}/github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-arm64
         {{- else -}}
         https://github.com/projectcalico/calico/releases/download/{{ .cni.calico_version }}/calicoctl-linux-arm64
         {{- end -}}