diff --git a/models/rank/fnn/config.yaml b/models/rank/fnn/config.yaml
index 3ed970c7a5970dd961a138205c375d94fe7e7e3a..07b57cdd26deaebf20ce1942023ad568e06d3588 100755
--- a/models/rank/fnn/config.yaml
+++ b/models/rank/fnn/config.yaml
@@ -61,7 +61,7 @@ runner:
     epochs: 1
     device: cpu
     init_model_path: "increment/0"
-    load_vars: "embedding_1.w_0, embedding_0.w_0"
+    load_vars: ["embedding_1.w_0", "embedding_0.w_0"]
     save_checkpoint_interval: 1
     save_inference_interval: 1
     save_checkpoint_path: "increment_fnn"