Update 2.import-cluster.md (#969)

* Update 2.import-cluster.md

* Update docs-2.0/nebula-dashboard-ent/3.create-import-dashboard/2.import-cluster.md

Co-authored-by: randomJoe211 <69501902+randomJoe211@users.noreply.github.com>

Co-authored-by: randomJoe211 <69501902+randomJoe211@users.noreply.github.com>

docs-2.0/nebula-dashboard-ent/3.create-import-dashboard/2.import-cluster.md

@@ -9,6 +9,10 @@ This topic introduces how to import clusters using Dashboard. The current versio
     - In the same cluster, the service versions need to be unified. Importing Nebula Graph examples from different versions in the same cluster is not supported.
     - The installation path of Nebula Graph needs to be the default installation path `/usr/local`.
 
+1. In the configuration files of each service, change the IP in `<meta|graph|storage>_server_addrs` and `local_ip` to the server's IP, and then start Nebula Graph.
+
+  For details, see [Configurations](../../5.configurations-and-logs/1.configurations/1.configurations.md) and [Manage Nebula Graph services](../../4.deployment-and-installation/manage-service.md).
+
 1. In the **Cluster management** page, click **Import cluster**.
 2. In the **Import cluster** page, enter the information of **Connect to Nebula Graph**.
   - Graphd Host: <The format of Graphd Host is the IP port of one of the Graphd processes>:n<Port>. In this example, the IP is `192.168.8.157:9669`.
@@ -26,9 +30,12 @@ This topic introduces how to import clusters using Dashboard. The current versio
    - Enter the cluster name, 15 characters at most. In this example, the cluster name is `create_1027`.
    - **Authorize** the node. The SSH username and password of each node are required.
    - **Batch authorization** requires uploading the CSV file. Edit the authentication information of each node according to the downloaded CSV file. Ensure that the node information is correct, otherwise upload failure may happen.
-   ![Batch authentication](../figs/ds-026.png)
+
+    ![Batch authentication](../figs/ds-026.png)
+
    - If the node status on the page becomes **authorized**, the node authentication is successful.
-   ![Authorize](../figs/ds-027.png)
+
+    ![Authorize](../figs/ds-027.png)
 
 4. Ensure that all nodes are authorized successfully. Click **Import cluster**.