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 c183ab86f9d..428a73b44a6 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
@@ -103,6 +103,8 @@ Before importing data, you need to confirm the following information:
 
       - To generate SST files only, users do not need to install the Hadoop service on the machine where the Storage service is deployed.
 
+      - To delete the SST file after the ingest (data import) operation, add the configuration `-- move_Files =true` to the Storage Service configuration file.
+
 ## Steps
 
 ### Step 1: Create the Schema in Nebula Graph