update kubectl document for zh

Signed-off-by: Weiping Cai <weiping.cai@daocloud.io>

content/zh/docs/reference/kubectl/docker-cli-to-kubectl.md

@@ -26,10 +26,9 @@ You can use the Kubernetes command line tool kubectl to interact with the API Se
 ## docker run
 
 <!--
-To run an nginx Deployment and expose the Deployment, see [kubectl run](/docs/reference/generated/kubectl/kubectl-commands/#run). 
+To run an nginx Deployment and expose the Deployment, see [kubectl create deployment](/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-).
 -->
-要运行 nginx 部署并将其暴露，请参见 [kubectl 运行](/docs/reference/generated/kubectl/kubectl-commands/#run)。
+要运行 nginx 部署并将其暴露，请参见[kubectl create deployment](/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-)
-
 docker:
 
 ```shell
@@ -57,10 +56,18 @@ kubectl run --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
 -->
 ```shell
 # 启动运行 nginx 的 Pod
-kubectl create deployment --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
+kubectl create deployment --image=nginx nginx-app
 ```
 ```
-deployment "nginx-app" created
+deployment.apps/nginx-app created
+```
+
+```
+# add env to nginx-app
+kubectl set env deployment/nginx-app  DOMAIN=cluster
+```
+```
+deployment.apps/nginx-app env updated
 ```
 
 {{< note >}}
@@ -90,9 +97,9 @@ By using kubectl, you can create a [Deployment](/docs/concepts/workloads/control
 在 kubectl 命令中，我们创建了一个 [Deployment](/docs/concepts/workloads/controllers/deployment/)，这将保证有 N 个运行 nginx 的 pod(N 代表 spec 中声明的 replica 数，默认为 1)。我们还创建了一个 [service](/docs/concepts/services-networking/service/)，其选择器与容器标签匹配。查看[使用服务访问群集中的应用程序](/docs/tasks/access-application-cluster/service-access-application-cluster) 获取更多信息。
 
 <!--
-By default images run in the background, similar to `docker run -d ...`. To run things in the foreground, use: 
+By default images run in the background, similar to `docker run -d ...`. To run things in the foreground, use [`kubectl run`](/docs/reference/generated/kubectl/kubectl-commands/#run) to create pod:
 -->
-默认情况下镜像会在后台运行，与 `docker run -d ...` 类似，如果您想在前台运行，使用:
+默认情况下镜像会在后台运行，与 `docker run -d ...` 类似，如果您想在前台运行，使用 [`kubectl run`](/docs/reference/generated/kubectl/kubectl-commands/#run) 在前台运行 Pod:
 
 ```shell
 kubectl run [-i] [--tty] --attach <name> --image=<image>