diff --git a/paddlespeech/cli/cls/infer.py b/paddlespeech/cli/cls/infer.py
index 1f637a8f..fa46db19 100644
--- a/paddlespeech/cli/cls/infer.py
+++ b/paddlespeech/cli/cls/infer.py
@@ -30,7 +30,7 @@ from .pretrained_models import model_alias
 from .pretrained_models import pretrained_models
 from paddleaudio import load
 from paddleaudio.features import LogMelSpectrogram
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 __all__ = ['CLSExecutor']
 
diff --git a/paddlespeech/cli/st/infer.py b/paddlespeech/cli/st/infer.py
index 29d95f79..4f210fbe 100644
--- a/paddlespeech/cli/st/infer.py
+++ b/paddlespeech/cli/st/infer.py
@@ -36,8 +36,8 @@ from .pretrained_models import kaldi_bins
 from .pretrained_models import model_alias
 from .pretrained_models import pretrained_models
 from paddlespeech.s2t.frontend.featurizer.text_featurizer import TextFeaturizer
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
 from paddlespeech.s2t.utils.utility import UpdateConfig
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 __all__ = ["STExecutor"]
 
diff --git a/paddlespeech/cli/text/infer.py b/paddlespeech/cli/text/infer.py
index 69e62e4b..97f3bbe2 100644
--- a/paddlespeech/cli/text/infer.py
+++ b/paddlespeech/cli/text/infer.py
@@ -21,7 +21,6 @@ from typing import Union
 
 import paddle
 
-from ...s2t.utils.dynamic_import import dynamic_import
 from ..executor import BaseExecutor
 from ..log import logger
 from ..utils import cli_register
@@ -29,6 +28,7 @@ from ..utils import stats_wrapper
 from .pretrained_models import model_alias
 from .pretrained_models import pretrained_models
 from .pretrained_models import tokenizer_alias
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 __all__ = ['TextExecutor']
 
diff --git a/paddlespeech/cli/tts/infer.py b/paddlespeech/cli/tts/infer.py
index 1c719930..efab9cb2 100644
--- a/paddlespeech/cli/tts/infer.py
+++ b/paddlespeech/cli/tts/infer.py
@@ -32,10 +32,10 @@ from ..utils import cli_register
 from ..utils import stats_wrapper
 from .pretrained_models import model_alias
 from .pretrained_models import pretrained_models
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
 from paddlespeech.t2s.frontend import English
 from paddlespeech.t2s.frontend.zh_frontend import Frontend
 from paddlespeech.t2s.modules.normalizer import ZScore
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 __all__ = ['TTSExecutor']
 
diff --git a/paddlespeech/cli/vector/infer.py b/paddlespeech/cli/vector/infer.py
index 1dff6edb..ea8f2c1f 100644
--- a/paddlespeech/cli/vector/infer.py
+++ b/paddlespeech/cli/vector/infer.py
@@ -32,7 +32,7 @@ from .pretrained_models import model_alias
 from .pretrained_models import pretrained_models
 from paddleaudio.backends import load as load_audio
 from paddleaudio.compliance.librosa import melspectrogram
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
+from paddlespeech.utils.dynamic_import import dynamic_import
 from paddlespeech.vector.io.batch import feature_normalize
 from paddlespeech.vector.modules.sid_model import SpeakerIdetification
 
diff --git a/paddlespeech/cls/exps/panns/predict.py b/paddlespeech/cls/exps/panns/predict.py
index ffe42d39..d0b96354 100644
--- a/paddlespeech/cls/exps/panns/predict.py
+++ b/paddlespeech/cls/exps/panns/predict.py
@@ -17,12 +17,12 @@ import os
 import paddle
 import paddle.nn.functional as F
 import yaml
-
 from paddleaudio.backends import load as load_audio
 from paddleaudio.features import LogMelSpectrogram
 from paddleaudio.utils import logger
+
 from paddlespeech.cls.models import SoundClassifier
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 # yapf: disable
 parser = argparse.ArgumentParser(__doc__)
diff --git a/paddlespeech/cls/exps/panns/train.py b/paddlespeech/cls/exps/panns/train.py
index 7e292214..8e06273d 100644
--- a/paddlespeech/cls/exps/panns/train.py
+++ b/paddlespeech/cls/exps/panns/train.py
@@ -16,12 +16,12 @@ import os
 
 import paddle
 import yaml
-
 from paddleaudio.features import LogMelSpectrogram
 from paddleaudio.utils import logger
 from paddleaudio.utils import Timer
+
 from paddlespeech.cls.models import SoundClassifier
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 # yapf: disable
 parser = argparse.ArgumentParser(__doc__)
diff --git a/paddlespeech/server/engine/tts/online/python/tts_engine.py b/paddlespeech/server/engine/tts/online/python/tts_engine.py
index a050a4d4..efed1952 100644
--- a/paddlespeech/server/engine/tts/online/python/tts_engine.py
+++ b/paddlespeech/server/engine/tts/online/python/tts_engine.py
@@ -26,7 +26,6 @@ from paddlespeech.cli.log import logger
 from paddlespeech.cli.tts.infer import TTSExecutor
 from paddlespeech.cli.utils import download_and_decompress
 from paddlespeech.cli.utils import MODEL_HOME
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
 from paddlespeech.server.engine.base_engine import BaseEngine
 from paddlespeech.server.utils.audio_process import float2pcm
 from paddlespeech.server.utils.util import denorm
@@ -34,6 +33,7 @@ from paddlespeech.server.utils.util import get_chunks
 from paddlespeech.t2s.frontend import English
 from paddlespeech.t2s.frontend.zh_frontend import Frontend
 from paddlespeech.t2s.modules.normalizer import ZScore
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 __all__ = ['TTSEngine']
 
diff --git a/paddlespeech/t2s/exps/synthesize_streaming.py b/paddlespeech/t2s/exps/synthesize_streaming.py
index b11bc799..af9d2abf 100644
--- a/paddlespeech/t2s/exps/synthesize_streaming.py
+++ b/paddlespeech/t2s/exps/synthesize_streaming.py
@@ -24,7 +24,6 @@ from paddle.static import InputSpec
 from timer import timer
 from yacs.config import CfgNode
 
-from paddlespeech.s2t.utils.dynamic_import import dynamic_import
 from paddlespeech.t2s.exps.syn_utils import denorm
 from paddlespeech.t2s.exps.syn_utils import get_chunks
 from paddlespeech.t2s.exps.syn_utils import get_frontend
@@ -33,6 +32,7 @@ from paddlespeech.t2s.exps.syn_utils import get_voc_inference
 from paddlespeech.t2s.exps.syn_utils import model_alias
 from paddlespeech.t2s.exps.syn_utils import voc_to_static
 from paddlespeech.t2s.utils import str2bool
+from paddlespeech.utils.dynamic_import import dynamic_import
 
 
 def evaluate(args):
@@ -212,10 +212,7 @@ def parse_args():
         choices=['fastspeech2_csmsc'],
         help='Choose acoustic model type of tts task.')
     parser.add_argument(
-        '--am_config',
-        type=str,
-        default=None,
-        help='Config of acoustic model.')
+        '--am_config', type=str, default=None, help='Config of acoustic model.')
     parser.add_argument(
         '--am_ckpt',
         type=str,
@@ -245,10 +242,7 @@ def parse_args():
         ],
         help='Choose vocoder type of tts task.')
     parser.add_argument(
-        '--voc_config',
-        type=str,
-        default=None,
-        help='Config of voc.')
+        '--voc_config', type=str, default=None, help='Config of voc.')
     parser.add_argument(
         '--voc_ckpt', type=str, default=None, help='Checkpoint file of voc.')
     parser.add_argument(