diff --git a/docs-2.0/20.appendix/6.eco-tool-version.md b/docs-2.0/20.appendix/6.eco-tool-version.md
index af0aba2ed8d..190c1da7185 100644
--- a/docs-2.0/20.appendix/6.eco-tool-version.md
+++ b/docs-2.0/20.appendix/6.eco-tool-version.md
@@ -76,7 +76,7 @@ Nebula Operator（简称Operator）是用于在Kubernetes系统上自动化部
 
 |Nebula Graph版本|Operator版本（commit id）|
 |:---|:---|
-| {{ nebula.release }}  | {{operator.release}}（6d1104e） |
+| {{ nebula.release }}  | {{operator.release}}（ba88e28） |
 
 ## Nebula Importer
 
diff --git a/docs-2.0/nebula-operator/2.deploy-nebula-operator.md b/docs-2.0/nebula-operator/2.deploy-nebula-operator.md
index 8a18554505c..57fdb9babb9 100644
--- a/docs-2.0/nebula-operator/2.deploy-nebula-operator.md
+++ b/docs-2.0/nebula-operator/2.deploy-nebula-operator.md
@@ -96,7 +96,7 @@
 [abby@master ~]$ helm show values nebula-operator/nebula-operator   
 image:
   nebulaOperator:
-    image: vesoft/nebula-operator:latest
+    image: vesoft/nebula-operator:{{operator.branch}}
     imagePullPolicy: Always
   kubeRBACProxy:
     image: gcr.io/kubebuilder/kube-rbac-proxy:v0.8.0
@@ -145,7 +145,7 @@ scheduler:
 | `image.nebulaOperator.image`           | `vesoft/nebula-operator:latest` | Nebula Operator的镜像，版本为{{operator.release}}。 |
 | `image.nebulaOperator.imagePullPolicy` | `IfNotPresent`                  | 镜像拉取策略。                            |
 | `imagePullSecrets`                     | -                               | 镜像拉取密钥。                            |
-| `kubernetesClusterDomain`              | `cluster.local`。           | 集群域名。                                |
+| `kubernetesClusterDomain`              | `cluster.local`           | 集群域名。                                |
 | `controllerManager.create`             | `true`                          | 是否启用controller-manager。              |
 | `controllerManager.replicas`           | `2`                             | controller-manager副本数。                 |
 | `admissionWebhook.create`              | `true`                          | 是否启用Admission Webhook。               |
@@ -192,6 +192,7 @@ helm install nebula-operator nebula-operator/nebula-operator --namespace=<nebula
 
 1. 拉取最新的Helm仓库。
 
+
   ```bash
   helm repo update
   ``` 
@@ -202,6 +203,53 @@ helm install nebula-operator nebula-operator/nebula-operator --namespace=<nebula
   helm upgrade nebula-operator nebula-operator/nebula-operator --namespace=<namespace_name> --version={{operator.release}}
   ```
   
+  示例：
+
+  ```bash
+  helm upgrade nebula-operator nebula-operator/nebula-operator --namespace=nebula-operator-system --version={{operator.release}}
+  ```
+
+  输出：
+
+  ```bash
+  Release "nebula-operator" has been upgraded. Happy Helming!
+  NAME: nebula-operator
+  LAST DEPLOYED: Tue Nov 16 02:21:08 2021
+  NAMESPACE: nebula-operator-system
+  STATUS: deployed
+  REVISION: 3
+  TEST SUITE: None
+  NOTES:
+  Nebula Operator installed!
+  ```
+
+3. 拉取最新的CRD配置文件。
+
+  !!! note
+        升级Operator后，需要同时升级相应的CRD配置，否则Nebula Graph集群创建会失败。有关CRD的配置，参见[apps.nebula-graph.io_nebulaclusters.yaml](https://github.com/vesoft-inc/nebula-operator/blob/{{operator.branch}}/config/crd/bases/apps.nebula-graph.io_nebulaclusters.yaml)。
+
+  ```bash
+  helm pull nebula-operator/nebula-operator
+  ```
+
+4. 升级CRD配置文件。
+   
+  ```bash
+  kubectl apply -f <crd_file_name>.yaml
+  ```
+
+  示例：
+
+  ```bash
+  kubectl apply -f config/crd/bases/apps.nebula-graph.io_nebulaclusters.yaml
+  ```
+  
+  输出：
+
+  ```bash
+  customresourcedefinition.apiextensions.k8s.io/nebulaclusters.apps.nebula-graph.io created
+  ```
+  
 
 ### 卸载Nebula Operator
 
diff --git a/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md b/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
index afff4542b18..f11b56124a1 100644
--- a/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
+++ b/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
@@ -10,7 +10,8 @@
   
 - 不支持升级通过0.8.0版Operator创建的集群。
 
-## 使用Kubectl升级Nebula Graph集群。
+
+## 使用Kubectl升级Nebula Graph集群
 
 ### 前提条件
 
@@ -166,7 +167,7 @@
 
   `--set nebula.version`的值指需要升级集群的目标版本号。
 
-4. 等待一会后，执行以下命令查看集群状态及集群版本。
+4. 执行以下命令查看集群状态及集群版本。
 
   查看集群状态：