diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 000000000..b7fd12f31
Binary files /dev/null and b/.DS_Store differ
diff --git a/qlib/contrib/model/pytorch_gats_ts.py b/qlib/contrib/model/pytorch_gats_ts.py
index f5d8fefaa..401719275 100644
--- a/qlib/contrib/model/pytorch_gats_ts.py
+++ b/qlib/contrib/model/pytorch_gats_ts.py
@@ -73,7 +73,7 @@ class GATs(Model):
         base_model="GRU",
         model_path=None,
         optimizer="adam",
-        GPU="0",
+        GPU=0,
         n_jobs=10,
         seed=None,
         **kwargs