diff --git a/tests/ut/core/test_schedule_config.py b/tests/ut/core/test_schedule_config.py
index 032a1a87712..e6183b4577f 100644
--- a/tests/ut/core/test_schedule_config.py
+++ b/tests/ut/core/test_schedule_config.py
@@ -27,6 +27,7 @@ def setUp(self):
             max_model_len=8192,
             is_multimodal_model=False,
             send_delta_data=False,
+            is_encoder_decoder=False,
         )
 
     def test_initialize_from_config_with_default(self):