diff --git a/docs/MatrixOne/Deploy/deploy-Matrixone-cluster/deploy-MatrixOne-cluster-with-k8.md b/docs/MatrixOne/Deploy/deploy-Matrixone-cluster/deploy-MatrixOne-cluster-with-k8.md
index 1eb23be130..8d161c4694 100644
--- a/docs/MatrixOne/Deploy/deploy-Matrixone-cluster/deploy-MatrixOne-cluster-with-k8.md
+++ b/docs/MatrixOne/Deploy/deploy-Matrixone-cluster/deploy-MatrixOne-cluster-with-k8.md
@@ -58,7 +58,7 @@ MatrixOne 集群推荐环境具备高可用性、可靠性和强大的性能，
 
 __Note__: 以下操作如无说明，均在客户端机器执行。
 
-#### 安装 MatrixOne-Operator
+## 安装 MatrixOne-Operator
 
 [MatrixOne Operator](https://github.com/matrixorigin/matrixone-operator) 是一个在 Kubernetes 上部署和管理 MatrixOne 集群的独立软件工具。您可选择在线部署或离线部署。