diff --git a/tests/unit/asr/deepspeech2_online_model_test.py b/tests/unit/asr/deepspeech2_online_model_test.py
index 3d63494584864ed33fd9359e13e014f3599d8749..d26e5b1532f5d66cb27f4520d56f742052f49306 100644
--- a/tests/unit/asr/deepspeech2_online_model_test.py
+++ b/tests/unit/asr/deepspeech2_online_model_test.py
@@ -191,7 +191,8 @@ class TestDeepSpeech2StaticModelOnline(unittest.TestCase):
     
     def setUp(self):
         export_prefix = "exp/deepspeech2_online/checkpoints/test_export"
-        os.makedirs( os.path.dirname(export_prefix), mode=0o755)
+        if not os.path.exists(os.path.dirname(export_prefix)):
+            os.makedirs(os.path.dirname(export_prefix), mode=0o755)
         infer_model =  DeepSpeech2InferModelOnline(
             feat_size=161,
             dict_size=4233,
diff --git a/tests/unit/asr/deepspeech2_online_model_test.sh b/tests/unit/asr/deepspeech2_online_model_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..cd5a2d3a0cabdf410d66814706363cd732095781
--- /dev/null
+++ b/tests/unit/asr/deepspeech2_online_model_test.sh
@@ -0,0 +1,3 @@
+mkdir -p test_data
+wget -P test_data https://paddlespeech.bj.bcebos.com/datasets/unit_test/asr/static_ds2online_inputs.pickle
+python deepspeech2_online_model_test.py