diff --git a/x2paddle/onnx_infer.py b/x2paddle/onnx_infer.py
index b883a254bb46160c89d34d3c3604a8dd996a0514..a845f7052adc7b1a05bead5438aa238fd8aedf47 100644
--- a/x2paddle/onnx_infer.py
+++ b/x2paddle/onnx_infer.py
@@ -48,5 +48,6 @@ def main():
     for idx, value_info in enumerate(model.graph.output):
         np.save(os.path.join(save_dir, value_info.name), res[idx])
 
+
 if __name__ == "__main__":
     main()