diff --git a/scenarios/preset/preset_grpc.py b/scenarios/preset/preset_grpc.py
index 09ff41c..acce582 100755
--- a/scenarios/preset/preset_grpc.py
+++ b/scenarios/preset/preset_grpc.py
@@ -46,6 +46,8 @@ def main():
         print("Create containers: Completed")
 
     print(f" > Containers: {container_list}")
+    if not container_list:
+        return
 
     print(f"Upload objects to each container: {args.preload_obj} ")
     random_payload(payload_filepath)