diff --git a/content/zh/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md b/content/zh/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
index 0b2439b4e1..9b2a62318a 100644
--- a/content/zh/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
+++ b/content/zh/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
@@ -318,14 +318,14 @@ For more information on version skews, see:
 {{< tabs name="k8s_install" >}}
 {{% tab name="Ubuntu、Debian 或 HypriotOS" %}}
 ```bash
-apt-get update && apt-get install -y apt-transport-https curl
-curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
-cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
+sudo apt-get update && sudo apt-get install -y apt-transport-https curl
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
+cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
 deb https://apt.kubernetes.io/ kubernetes-xenial main
 EOF
-apt-get update
-apt-get install -y kubelet kubeadm kubectl
-apt-mark hold kubelet kubeadm kubectl
+sudo apt-get update
+sudo apt-get install -y kubelet kubeadm kubectl
+sudo apt-mark hold kubelet kubeadm kubectl
 ```
 {{% /tab %}}
 {{% tab name="CentOS、RHEL 或 Fedora" %}}