diff --git a/content/zh/docs/v4.1/03-installation-and-upgrade/02-install-kubesphere/02-install-kubernetes-and-kubesphere.adoc b/content/zh/docs/v4.1/03-installation-and-upgrade/02-install-kubesphere/02-install-kubernetes-and-kubesphere.adoc
index db4f135aa..ae0fe4872 100644
--- a/content/zh/docs/v4.1/03-installation-and-upgrade/02-install-kubesphere/02-install-kubernetes-and-kubesphere.adoc
+++ b/content/zh/docs/v4.1/03-installation-and-upgrade/02-install-kubesphere/02-install-kubernetes-and-kubesphere.adoc
@@ -367,6 +367,7 @@ KubeSphere Core (ks-core) 是{ks_product_both}的核心组件，为扩展组件
 
 . 在集群节点，执行以下命令安装 KubeSphere Core。
 +
+====
 [,bash]
 ----
 helm upgrade --install -n kubesphere-system --create-namespace ks-core chart=https://charts.kubesphere.io/main/ks-core-1.1.0.tgz --debug --wait