diff --git a/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md b/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
index c7792644156..cd99f1d4556 100644
--- a/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
+++ b/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
@@ -95,6 +95,12 @@ Before importing data, you need to confirm the following information:
 
 - The Hadoop service has been installed and started.
 
+  !!! note
+
+      - To generate SST files of other data sources, see documents of the corresponding data source and check the prerequisites.
+
+      - To generate SST files only, users do not need to install the Hadoop service on the machine where the Storage service is deployed.
+
 ## Steps
 
 ### Step 1: Create the Schema in Nebula Graph
@@ -396,6 +402,16 @@ After the task is complete, you can view the generated SST file in the `/sst` di
 
 ### Step 5: Import the SST file
 
+!!! note
+
+    Confirm the following information before importing:
+
+    - Confirm that the Hadoop service has been deployed on all the machines where the Storage service is deployed, and configure HADOOP_HOME and JAVA_HOME.
+
+    - The `--ws_storage_http_port` in the Meta service configuration file (add it manually if it does not exist) is the same as the `--ws_http_port` in the Storage service configuration file. For example, both are `19779`.
+
+    - The `--ws_meta_http_port` in the Graph service configuration file (add it manually if it does not exist) is the same as the `--ws_http_port` in the Meta service configuration file. For example, both are `19559`.
+
 Connect to the Nebula Graph database using the client tool and import the SST file as follows:
 
 1. Run the following command to select the graph space you created earlier.