diff --git a/docs/k8s-config.md b/docs/k8s-config.md
index 77a8276b..6e9e4f1f 100644
--- a/docs/k8s-config.md
+++ b/docs/k8s-config.md
@@ -25,6 +25,15 @@ curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stabl
 sudo install -o root -g root -m 0755 kubectl-convert /usr/local/bin/kubectl-convert
 ```
 
+### Install the `ko` plugin
+
+Facilitates daily operations and maintenance, allowing administrators to perform daily operations like: Check OVN database information and status, OVN database backup and restore, OVS related information, tcpdump specific containers, specific link logical topology, network problem diagnosis and performance optimization.
+
+``` shell
+curl -LO https://raw.githubusercontent.com/kubeovn/kube-ovn/release-1.12/dist/images/kubectl-ko
+sudo install -o root -g root -m 0755 kubectl-ko /usr/local/bin/kubectl-ko
+```
+
 ## Retrieve the kube config
 
 Retrieve the kube config from our first controller.