diff --git a/models/rank/flen/config.yaml b/models/rank/flen/config.yaml
index 2235e905e3a7d718a709e0d3845cb541acf09829..1a2a0e79fcb09513a2462cfea35957bd77272484 100644
--- a/models/rank/flen/config.yaml
+++ b/models/rank/flen/config.yaml
@@ -106,4 +106,5 @@ phase:
   model: "{workspace}/model.py" # user-defined model
   dataset_name: dataset_infer # select dataset by name
   thread_num: 2
+