From 27f31cd42bb4e20dc19de0034fc0d80b449f1db1 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 06 十二月 2023 17:01:12 +0800
Subject: [PATCH] funasr2

---
 funasr/modules/nets_utils.py                   |    2 
 funasr/datasets/small_datasets/preprocessor.py |    1 
 funasr/tokenizer/char_tokenizer.py             |    6 
 funasr/utils/dynamic_import.py                 |   13 
 funasr/cli/model_class_factory.py              |  298 ++++++++++
 funasr/datasets/data_sampler.py                |   12 
 funasr/cli/models/paraformer.py                |  652 +++++++++++++++++++++++
 funasr/utils/load_fr_py.py                     |   13 
 funasr/cli/trainer.py                          |  236 ++++++++
 funasr/tokenizer/sentencepiece_tokenizer.py    |    2 
 funasr/cli/__init__.py                         |    0 
 funasr/tokenizer/abs_tokenizer.py              |   73 ++
 funasr/schedulers/__init__.py                  |   23 
 funasr/tokenizer/phoneme_tokenizer.py          |    1 
 funasr/cli/train_cli.py                        |  170 ++++++
 funasr/tokenizer/funtoken.py                   |   75 ++
 funasr/optimizers/__init__.py                  |   17 
 funasr/tokenizer/build_tokenizer.py            |   17 
 funasr/cli/models/__init__.py                  |    0 
 funasr/datasets/dataset_jsonl.py               |   11 
 funasr/tokenizer/word_tokenizer.py             |    1 
 21 files changed, 1,604 insertions(+), 19 deletions(-)

diff --git a/funasr/bin/asr_trainer.py b/funasr/cli/__init__.py
similarity index 100%
rename from funasr/bin/asr_trainer.py
rename to funasr/cli/__init__.py
diff --git a/funasr/cli/model_class_factory.py b/funasr/cli/model_class_factory.py
new file mode 100644
index 0000000..b329492
--- /dev/null
+++ b/funasr/cli/model_class_factory.py
@@ -0,0 +1,298 @@
+import argparse
+import logging
+import os
+from pathlib import Path
+from typing import Callable
+from typing import Collection
+from typing import Dict
+from typing import List
+from typing import Optional
+from typing import Tuple
+from typing import Union
+
+import numpy as np
+import torch
+import yaml
+
+from funasr.datasets.collate_fn import CommonCollateFn
+from funasr.datasets.preprocessor import CommonPreprocessor
+from funasr.layers.abs_normalize import AbsNormalize
+from funasr.layers.global_mvn import GlobalMVN
+from funasr.layers.utterance_mvn import UtteranceMVN
+from funasr.models.ctc import CTC
+from funasr.models.decoder.abs_decoder import AbsDecoder
+from funasr.models.decoder.rnn_decoder import RNNDecoder
+from funasr.models.decoder.sanm_decoder import ParaformerSANMDecoder, FsmnDecoderSCAMAOpt
+from funasr.models.decoder.transformer_decoder import (
+    DynamicConvolution2DTransformerDecoder,  # noqa: H301
+)
+from funasr.models.decoder.transformer_decoder import DynamicConvolutionTransformerDecoder
+from funasr.models.decoder.transformer_decoder import (
+    LightweightConvolution2DTransformerDecoder,  # noqa: H301
+)
+from funasr.models.decoder.transformer_decoder import (
+    LightweightConvolutionTransformerDecoder,  # noqa: H301
+)
+from funasr.models.decoder.transformer_decoder import ParaformerDecoderSAN
+from funasr.models.decoder.transformer_decoder import TransformerDecoder
+from funasr.models.decoder.contextual_decoder import ContextualParaformerDecoder
+from funasr.models.decoder.transformer_decoder import SAAsrTransformerDecoder
+from funasr.models.e2e_asr import ASRModel
+from funasr.models.decoder.rnnt_decoder import RNNTDecoder
+from funasr.models.joint_net.joint_network import JointNetwork
+from funasr.models.e2e_asr_paraformer import Paraformer, ParaformerOnline, ParaformerBert, BiCifParaformer, ContextualParaformer
+from funasr.models.e2e_asr_contextual_paraformer import NeatContextualParaformer
+from funasr.models.e2e_tp import TimestampPredictor
+from funasr.models.e2e_asr_mfcca import MFCCA
+from funasr.models.e2e_sa_asr import SAASRModel
+from funasr.models.e2e_uni_asr import UniASR
+from funasr.models.e2e_asr_transducer import TransducerModel, UnifiedTransducerModel
+from funasr.models.e2e_asr_bat import BATModel
+from funasr.models.encoder.abs_encoder import AbsEncoder
+from funasr.models.encoder.conformer_encoder import ConformerEncoder, ConformerChunkEncoder
+from funasr.models.encoder.data2vec_encoder import Data2VecEncoder
+from funasr.models.encoder.rnn_encoder import RNNEncoder
+from funasr.models.encoder.sanm_encoder import SANMEncoder, SANMEncoderChunkOpt
+from funasr.models.encoder.transformer_encoder import TransformerEncoder
+from funasr.models.encoder.mfcca_encoder import MFCCAEncoder
+from funasr.models.encoder.resnet34_encoder import ResNet34Diar
+from funasr.models.frontend.abs_frontend import AbsFrontend
+from funasr.models.frontend.default import DefaultFrontend
+from funasr.models.frontend.default import MultiChannelFrontend
+from funasr.models.frontend.fused import FusedFrontends
+from funasr.models.frontend.s3prl import S3prlFrontend
+from funasr.models.frontend.wav_frontend import WavFrontend
+from funasr.models.frontend.windowing import SlidingWindow
+from funasr.models.postencoder.abs_postencoder import AbsPostEncoder
+from funasr.models.postencoder.hugging_face_transformers_postencoder import (
+    HuggingFaceTransformersPostEncoder,  # noqa: H301
+)
+from funasr.models.predictor.cif import CifPredictor, CifPredictorV2, CifPredictorV3, BATPredictor
+from funasr.models.preencoder.abs_preencoder import AbsPreEncoder
+from funasr.models.preencoder.linear import LinearProjection
+from funasr.models.preencoder.sinc import LightweightSincConvs
+from funasr.models.specaug.abs_specaug import AbsSpecAug
+from funasr.models.specaug.specaug import SpecAug
+from funasr.models.specaug.specaug import SpecAugLFR
+from funasr.modules.subsampling import Conv1dSubsampling
+from funasr.tasks.abs_task import AbsTask
+from funasr.tokenizer.phoneme_tokenizer import g2p_choices
+from funasr.torch_utils.initialize import initialize
+from funasr.models.base_model import FunASRModel
+from funasr.train.class_choices import ClassChoices
+from funasr.train.trainer import Trainer
+from funasr.utils.get_default_kwargs import get_default_kwargs
+from funasr.utils.nested_dict_action import NestedDictAction
+from funasr.utils.types import float_or_none
+from funasr.utils.types import int_or_none
+from funasr.utils.types import str2bool
+from funasr.utils.types import str_or_none
+
+# from funasr.models.paraformer import Paraformer
+frontend_choices = ClassChoices(
+    name="frontend",
+    classes=dict(
+        default=DefaultFrontend,
+        sliding_window=SlidingWindow,
+        s3prl=S3prlFrontend,
+        fused=FusedFrontends,
+        wav_frontend=WavFrontend,
+        multichannelfrontend=MultiChannelFrontend,
+    ),
+    type_check=AbsFrontend,
+    default="default",
+)
+specaug_choices = ClassChoices(
+    name="specaug",
+    classes=dict(
+        specaug=SpecAug,
+        specaug_lfr=SpecAugLFR,
+    ),
+    type_check=AbsSpecAug,
+    default=None,
+    optional=True,
+)
+# specaug_choices = {"specaug":SpecAug}
+normalize_choices = ClassChoices(
+    "normalize",
+    classes=dict(
+        global_mvn=GlobalMVN,
+        utterance_mvn=UtteranceMVN,
+    ),
+    type_check=AbsNormalize,
+    default=None,
+    optional=True,
+)
+# model_choices = ClassChoices(
+#     "model",
+#     classes=dict(
+#         asr=ASRModel,
+#         uniasr=UniASR,
+#         paraformer=Paraformer,
+#         paraformer_online=ParaformerOnline,
+#         paraformer_bert=ParaformerBert,
+#         bicif_paraformer=BiCifParaformer,
+#         contextual_paraformer=ContextualParaformer,
+#         neatcontextual_paraformer=NeatContextualParaformer,
+#         mfcca=MFCCA,
+#         timestamp_prediction=TimestampPredictor,
+#         rnnt=TransducerModel,
+#         rnnt_unified=UnifiedTransducerModel,
+#         bat=BATModel,
+#         sa_asr=SAASRModel,
+#     ),
+#     type_check=None,
+#     default="asr",
+# )
+preencoder_choices = ClassChoices(
+    name="preencoder",
+    classes=dict(
+        sinc=LightweightSincConvs,
+        linear=LinearProjection,
+    ),
+    type_check=AbsPreEncoder,
+    default=None,
+    optional=True,
+)
+encoder_choices = ClassChoices(
+    "encoder",
+    classes=dict(
+        conformer=ConformerEncoder,
+        transformer=TransformerEncoder,
+        rnn=RNNEncoder,
+        sanm=SANMEncoder,
+        sanm_chunk_opt=SANMEncoderChunkOpt,
+        data2vec_encoder=Data2VecEncoder,
+        mfcca_enc=MFCCAEncoder,
+        chunk_conformer=ConformerChunkEncoder,
+    ),
+    type_check=AbsEncoder,
+    default="rnn",
+)
+encoder_choices2 = ClassChoices(
+    "encoder2",
+    classes=dict(
+        conformer=ConformerEncoder,
+        transformer=TransformerEncoder,
+        rnn=RNNEncoder,
+        sanm=SANMEncoder,
+        sanm_chunk_opt=SANMEncoderChunkOpt,
+    ),
+    type_check=AbsEncoder,
+    default="rnn",
+)
+asr_encoder_choices = ClassChoices(
+    "asr_encoder",
+    classes=dict(
+        conformer=ConformerEncoder,
+        transformer=TransformerEncoder,
+        rnn=RNNEncoder,
+        sanm=SANMEncoder,
+        sanm_chunk_opt=SANMEncoderChunkOpt,
+        data2vec_encoder=Data2VecEncoder,
+        mfcca_enc=MFCCAEncoder,
+    ),
+    type_check=AbsEncoder,
+    default="rnn",
+)
+spk_encoder_choices = ClassChoices(
+    "spk_encoder",
+    classes=dict(
+        resnet34_diar=ResNet34Diar,
+    ),
+    default="resnet34_diar",
+)
+postencoder_choices = ClassChoices(
+    name="postencoder",
+    classes=dict(
+        hugging_face_transformers=HuggingFaceTransformersPostEncoder,
+    ),
+    type_check=AbsPostEncoder,
+    default=None,
+    optional=True,
+)
+decoder_choices = ClassChoices(
+    "decoder",
+    classes=dict(
+        transformer=TransformerDecoder,
+        lightweight_conv=LightweightConvolutionTransformerDecoder,
+        lightweight_conv2d=LightweightConvolution2DTransformerDecoder,
+        dynamic_conv=DynamicConvolutionTransformerDecoder,
+        dynamic_conv2d=DynamicConvolution2DTransformerDecoder,
+        rnn=RNNDecoder,
+        fsmn_scama_opt=FsmnDecoderSCAMAOpt,
+        paraformer_decoder_sanm=ParaformerSANMDecoder,
+        paraformer_decoder_san=ParaformerDecoderSAN,
+        contextual_paraformer_decoder=ContextualParaformerDecoder,
+        sa_decoder=SAAsrTransformerDecoder,
+    ),
+    type_check=AbsDecoder,
+    default="rnn",
+)
+decoder_choices2 = ClassChoices(
+    "decoder2",
+    classes=dict(
+        transformer=TransformerDecoder,
+        lightweight_conv=LightweightConvolutionTransformerDecoder,
+        lightweight_conv2d=LightweightConvolution2DTransformerDecoder,
+        dynamic_conv=DynamicConvolutionTransformerDecoder,
+        dynamic_conv2d=DynamicConvolution2DTransformerDecoder,
+        rnn=RNNDecoder,
+        fsmn_scama_opt=FsmnDecoderSCAMAOpt,
+        paraformer_decoder_sanm=ParaformerSANMDecoder,
+    ),
+    type_check=AbsDecoder,
+    default="rnn",
+)
+
+rnnt_decoder_choices = ClassChoices(
+    "rnnt_decoder",
+    classes=dict(
+        rnnt=RNNTDecoder,
+    ),
+    type_check=RNNTDecoder,
+    default="rnnt",
+)
+
+joint_network_choices = ClassChoices(
+    name="joint_network",
+    classes=dict(
+        joint_network=JointNetwork,
+    ),
+    default="joint_network",
+    optional=True,
+)
+
+predictor_choices = ClassChoices(
+    name="predictor",
+    classes=dict(
+        cif_predictor=CifPredictor,
+        ctc_predictor=None,
+        cif_predictor_v2=CifPredictorV2,
+        cif_predictor_v3=CifPredictorV3,
+        bat_predictor=BATPredictor,
+    ),
+    type_check=None,
+    default="cif_predictor",
+    optional=True,
+)
+predictor_choices2 = ClassChoices(
+    name="predictor2",
+    classes=dict(
+        cif_predictor=CifPredictor,
+        ctc_predictor=None,
+        cif_predictor_v2=CifPredictorV2,
+    ),
+    type_check=None,
+    default="cif_predictor",
+    optional=True,
+)
+stride_conv_choices = ClassChoices(
+    name="stride_conv",
+    classes=dict(
+        stride_conv1d=Conv1dSubsampling
+    ),
+    type_check=None,
+    default="stride_conv1d",
+    optional=True,
+)
\ No newline at end of file
diff --git a/funasr/bin/asr_trainer.py b/funasr/cli/models/__init__.py
similarity index 100%
copy from funasr/bin/asr_trainer.py
copy to funasr/cli/models/__init__.py
diff --git a/funasr/cli/models/paraformer.py b/funasr/cli/models/paraformer.py
new file mode 100644
index 0000000..ced1c23
--- /dev/null
+++ b/funasr/cli/models/paraformer.py
@@ -0,0 +1,652 @@
+import logging
+from contextlib import contextmanager
+from distutils.version import LooseVersion
+from typing import Dict
+from typing import List
+from typing import Optional
+from typing import Tuple
+from typing import Union
+
+import torch
+import torch.nn as nn
+import random
+import numpy as np
+
+# from funasr.layers.abs_normalize import AbsNormalize
+from funasr.losses.label_smoothing_loss import (
+    LabelSmoothingLoss,  # noqa: H301
+)
+# from funasr.models.ctc import CTC
+# from funasr.models.decoder.abs_decoder import AbsDecoder
+# from funasr.models.e2e_asr_common import ErrorCalculator
+# from funasr.models.encoder.abs_encoder import AbsEncoder
+# from funasr.models.frontend.abs_frontend import AbsFrontend
+# from funasr.models.postencoder.abs_postencoder import AbsPostEncoder
+from funasr.models.predictor.cif import mae_loss
+# from funasr.models.preencoder.abs_preencoder import AbsPreEncoder
+# from funasr.models.specaug.abs_specaug import AbsSpecAug
+from funasr.modules.add_sos_eos import add_sos_eos
+from funasr.modules.nets_utils import make_pad_mask, pad_list
+from funasr.modules.nets_utils import th_accuracy
+from funasr.torch_utils.device_funcs import force_gatherable
+# from funasr.models.base_model import FunASRModel
+# from funasr.models.predictor.cif import CifPredictorV3
+
+from funasr.cli.model_class_factory import *
+
+
+if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
+	from torch.cuda.amp import autocast
+else:
+	# Nothing to do if torch<1.6.0
+	@contextmanager
+	def autocast(enabled=True):
+		yield
+
+
+class Paraformer(nn.Module):
+	"""
+	Author: Speech Lab of DAMO Academy, Alibaba Group
+	Paraformer: Fast and Accurate Parallel Transformer for Non-autoregressive End-to-End Speech Recognition
+	https://arxiv.org/abs/2206.08317
+	"""
+	
+	def __init__(
+		self,
+		# token_list: Union[Tuple[str, ...], List[str]],
+		frontend: Optional[str] = None,
+		frontend_conf: Optional[Dict] = None,
+		specaug: Optional[str] = None,
+		specaug_conf: Optional[Dict] = None,
+		normalize: str = None,
+		normalize_conf: Optional[Dict] = None,
+		encoder: str = None,
+		encoder_conf: Optional[Dict] = None,
+		decoder: str = None,
+		decoder_conf: Optional[Dict] = None,
+		ctc: str = None,
+		ctc_conf: Optional[Dict] = None,
+		predictor: str = None,
+		predictor_conf: Optional[Dict] = None,
+		ctc_weight: float = 0.5,
+		interctc_weight: float = 0.0,
+		input_size: int = 80,
+		vocab_size: int = -1,
+		ignore_id: int = -1,
+		blank_id: int = 0,
+		sos: int = 1,
+		eos: int = 2,
+		lsm_weight: float = 0.0,
+		length_normalized_loss: bool = False,
+		# report_cer: bool = True,
+		# report_wer: bool = True,
+		# sym_space: str = "<space>",
+		# sym_blank: str = "<blank>",
+		# extract_feats_in_collect_stats: bool = True,
+		# predictor=None,
+		predictor_weight: float = 0.0,
+		predictor_bias: int = 0,
+		sampling_ratio: float = 0.2,
+		share_embedding: bool = False,
+		# preencoder: Optional[AbsPreEncoder] = None,
+		# postencoder: Optional[AbsPostEncoder] = None,
+		use_1st_decoder_loss: bool = False,
+		**kwargs,
+	):
+		assert 0.0 <= ctc_weight <= 1.0, ctc_weight
+		assert 0.0 <= interctc_weight < 1.0, interctc_weight
+		
+		super().__init__()
+		
+		# import pdb;
+		# pdb.set_trace()
+		
+		if frontend is not None:
+			frontend_class = frontend_choices.get_class(frontend)
+			frontend = frontend_class(**frontend_conf)
+		if specaug is not None:
+			specaug_class = specaug_choices.get_class(specaug)
+			specaug = specaug_class(**specaug_conf)
+		if normalize is not None:
+			normalize_class = normalize_choices.get_class(normalize)
+			normalize = normalize_class(**normalize_conf)
+		encoder_class = encoder_choices.get_class(encoder)
+		encoder = encoder_class(input_size=input_size, **encoder_conf)
+		encoder_output_size = encoder.output_size()
+		if decoder is not None:
+			decoder_class = decoder_choices.get_class(decoder)
+			decoder = decoder_class(
+				vocab_size=vocab_size,
+				encoder_output_size=encoder_output_size,
+				**decoder_conf,
+			)
+		if ctc_weight > 0.0:
+			
+			if ctc_conf is None:
+				ctc_conf = {}
+				
+			ctc = CTC(
+				odim=vocab_size, encoder_output_size=encoder_output_size, **ctc_conf
+			)
+		if predictor is not None:
+			predictor_class = predictor_choices.get_class(predictor)
+			predictor = predictor_class(**predictor_conf)
+		
+		# note that eos is the same as sos (equivalent ID)
+		self.blank_id = blank_id
+		self.sos = sos if sos is not None else vocab_size - 1
+		self.eos = eos if eos is not None else vocab_size - 1
+		self.vocab_size = vocab_size
+		self.ignore_id = ignore_id
+		self.ctc_weight = ctc_weight
+		self.interctc_weight = interctc_weight
+		# self.token_list = token_list.copy()
+		#
+		self.frontend = frontend
+		self.specaug = specaug
+		self.normalize = normalize
+		# self.preencoder = preencoder
+		# self.postencoder = postencoder
+		self.encoder = encoder
+		#
+		# if not hasattr(self.encoder, "interctc_use_conditioning"):
+		# 	self.encoder.interctc_use_conditioning = False
+		# if self.encoder.interctc_use_conditioning:
+		# 	self.encoder.conditioning_layer = torch.nn.Linear(
+		# 		vocab_size, self.encoder.output_size()
+		# 	)
+		#
+		# self.error_calculator = None
+		#
+		if ctc_weight == 1.0:
+			self.decoder = None
+		else:
+			self.decoder = decoder
+
+		self.criterion_att = LabelSmoothingLoss(
+			size=vocab_size,
+			padding_idx=ignore_id,
+			smoothing=lsm_weight,
+			normalize_length=length_normalized_loss,
+		)
+		#
+		# if report_cer or report_wer:
+		# 	self.error_calculator = ErrorCalculator(
+		# 		token_list, sym_space, sym_blank, report_cer, report_wer
+		# 	)
+		#
+		if ctc_weight == 0.0:
+			self.ctc = None
+		else:
+			self.ctc = ctc
+		#
+		# self.extract_feats_in_collect_stats = extract_feats_in_collect_stats
+		self.predictor = predictor
+		self.predictor_weight = predictor_weight
+		self.predictor_bias = predictor_bias
+		self.sampling_ratio = sampling_ratio
+		self.criterion_pre = mae_loss(normalize_length=length_normalized_loss)
+		# self.step_cur = 0
+		#
+		self.share_embedding = share_embedding
+		if self.share_embedding:
+			self.decoder.embed = None
+
+		self.use_1st_decoder_loss = use_1st_decoder_loss
+	
+	def forward(
+		self,
+		speech: torch.Tensor,
+		speech_lengths: torch.Tensor,
+		text: torch.Tensor,
+		text_lengths: torch.Tensor,
+		**kwargs,
+	) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
+		"""Frontend + Encoder + Decoder + Calc loss
+		Args:
+				speech: (Batch, Length, ...)
+				speech_lengths: (Batch, )
+				text: (Batch, Length)
+				text_lengths: (Batch,)
+				decoding_ind: int
+		"""
+		decoding_ind = kwargs.get("kwargs", None)
+		# import pdb;
+		# pdb.set_trace()
+		if len(text_lengths.size()) > 1:
+			text_lengths = text_lengths[:, 0]
+		if len(speech_lengths.size()) > 1:
+			speech_lengths = speech_lengths[:, 0]
+
+		batch_size = speech.shape[0]
+		
+		# # for data-parallel
+		# text = text[:, : text_lengths.max()]
+		# speech = speech[:, :speech_lengths.max()]
+		
+		# 1. Encoder
+		if hasattr(self.encoder, "overlap_chunk_cls"):
+			ind = self.encoder.overlap_chunk_cls.random_choice(self.training, decoding_ind)
+			encoder_out, encoder_out_lens = self.encode(speech, speech_lengths, ind=ind)
+		else:
+			encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
+		intermediate_outs = None
+		if isinstance(encoder_out, tuple):
+			intermediate_outs = encoder_out[1]
+			encoder_out = encoder_out[0]
+		
+		loss_att, pre_loss_att, acc_att, cer_att, wer_att = None, None, None, None, None
+		loss_ctc, cer_ctc = None, None
+		loss_pre = None
+		stats = dict()
+		
+		# 1. CTC branch
+		if self.ctc_weight != 0.0:
+			loss_ctc, cer_ctc = self._calc_ctc_loss(
+				encoder_out, encoder_out_lens, text, text_lengths
+			)
+			
+			# Collect CTC branch stats
+			stats["loss_ctc"] = loss_ctc.detach() if loss_ctc is not None else None
+			stats["cer_ctc"] = cer_ctc
+		
+		# Intermediate CTC (optional)
+		loss_interctc = 0.0
+		if self.interctc_weight != 0.0 and intermediate_outs is not None:
+			for layer_idx, intermediate_out in intermediate_outs:
+				# we assume intermediate_out has the same length & padding
+				# as those of encoder_out
+				loss_ic, cer_ic = self._calc_ctc_loss(
+					intermediate_out, encoder_out_lens, text, text_lengths
+				)
+				loss_interctc = loss_interctc + loss_ic
+				
+				# Collect Intermedaite CTC stats
+				stats["loss_interctc_layer{}".format(layer_idx)] = (
+					loss_ic.detach() if loss_ic is not None else None
+				)
+				stats["cer_interctc_layer{}".format(layer_idx)] = cer_ic
+			
+			loss_interctc = loss_interctc / len(intermediate_outs)
+			
+			# calculate whole encoder loss
+			loss_ctc = (
+				           1 - self.interctc_weight
+			           ) * loss_ctc + self.interctc_weight * loss_interctc
+		
+		# 2b. Attention decoder branch
+		if self.ctc_weight != 1.0:
+			loss_att, acc_att, cer_att, wer_att, loss_pre, pre_loss_att = self._calc_att_loss(
+				encoder_out, encoder_out_lens, text, text_lengths
+			)
+		
+		# 3. CTC-Att loss definition
+		if self.ctc_weight == 0.0:
+			loss = loss_att + loss_pre * self.predictor_weight
+		elif self.ctc_weight == 1.0:
+			loss = loss_ctc
+		else:
+			loss = self.ctc_weight * loss_ctc + (1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight
+		
+		if self.use_1st_decoder_loss and pre_loss_att is not None:
+			loss = loss + (1 - self.ctc_weight) * pre_loss_att
+		
+		# Collect Attn branch stats
+		stats["loss_att"] = loss_att.detach() if loss_att is not None else None
+		stats["pre_loss_att"] = pre_loss_att.detach() if pre_loss_att is not None else None
+		stats["acc"] = acc_att
+		stats["cer"] = cer_att
+		stats["wer"] = wer_att
+		stats["loss_pre"] = loss_pre.detach().cpu() if loss_pre is not None else None
+		
+		stats["loss"] = torch.clone(loss.detach())
+		
+		# force_gatherable: to-device and to-tensor if scalar for DataParallel
+		loss, stats, weight = force_gatherable((loss, stats, batch_size), loss.device)
+		return loss, stats, weight
+	
+	def collect_feats(
+		self,
+		speech: torch.Tensor,
+		speech_lengths: torch.Tensor,
+		text: torch.Tensor,
+		text_lengths: torch.Tensor,
+	) -> Dict[str, torch.Tensor]:
+		if self.extract_feats_in_collect_stats:
+			feats, feats_lengths = self._extract_feats(speech, speech_lengths)
+		else:
+			# Generate dummy stats if extract_feats_in_collect_stats is False
+			logging.warning(
+				"Generating dummy stats for feats and feats_lengths, "
+				"because encoder_conf.extract_feats_in_collect_stats is "
+				f"{self.extract_feats_in_collect_stats}"
+			)
+			feats, feats_lengths = speech, speech_lengths
+		return {"feats": feats, "feats_lengths": feats_lengths}
+	
+	def encode(
+		self, speech: torch.Tensor, speech_lengths: torch.Tensor, ind: int = 0,
+	) -> Tuple[torch.Tensor, torch.Tensor]:
+		"""Frontend + Encoder. Note that this method is used by asr_inference.py
+		Args:
+				speech: (Batch, Length, ...)
+				speech_lengths: (Batch, )
+				ind: int
+		"""
+		with autocast(False):
+			# # 1. Extract feats
+			# feats, feats_lengths = self._extract_feats(speech, speech_lengths)
+			
+			# 2. Data augmentation
+			if self.specaug is not None and self.training:
+				feats, feats_lengths = self.specaug(speech, speech_lengths)
+			
+			# 3. Normalization for feature: e.g. Global-CMVN, Utterance-CMVN
+			if self.normalize is not None:
+				feats, feats_lengths = self.normalize(feats, feats_lengths)
+		
+		# # Pre-encoder, e.g. used for raw input data
+		# if self.preencoder is not None:
+		# 	feats, feats_lengths = self.preencoder(feats, feats_lengths)
+		
+		# 4. Forward encoder
+		# feats: (Batch, Length, Dim)
+		# -> encoder_out: (Batch, Length2, Dim2)
+		if self.encoder.interctc_use_conditioning:
+			if hasattr(self.encoder, "overlap_chunk_cls"):
+				encoder_out, encoder_out_lens, _ = self.encoder(
+					feats, feats_lengths, ctc=self.ctc, ind=ind
+				)
+				encoder_out, encoder_out_lens = self.encoder.overlap_chunk_cls.remove_chunk(encoder_out,
+				                                                                            encoder_out_lens,
+				                                                                            chunk_outs=None)
+			else:
+				encoder_out, encoder_out_lens, _ = self.encoder(
+					feats, feats_lengths, ctc=self.ctc
+				)
+		else:
+			if hasattr(self.encoder, "overlap_chunk_cls"):
+				encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths, ind=ind)
+				encoder_out, encoder_out_lens = self.encoder.overlap_chunk_cls.remove_chunk(encoder_out,
+				                                                                            encoder_out_lens,
+				                                                                            chunk_outs=None)
+			else:
+				encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths)
+		intermediate_outs = None
+		if isinstance(encoder_out, tuple):
+			intermediate_outs = encoder_out[1]
+			encoder_out = encoder_out[0]
+		
+		# # Post-encoder, e.g. NLU
+		# if self.postencoder is not None:
+		# 	encoder_out, encoder_out_lens = self.postencoder(
+		# 		encoder_out, encoder_out_lens
+		# 	)
+		
+		assert encoder_out.size(0) == speech.size(0), (
+			encoder_out.size(),
+			speech.size(0),
+		)
+		assert encoder_out.size(1) <= encoder_out_lens.max(), (
+			encoder_out.size(),
+			encoder_out_lens.max(),
+		)
+		
+		if intermediate_outs is not None:
+			return (encoder_out, intermediate_outs), encoder_out_lens
+		
+		return encoder_out, encoder_out_lens
+	
+	def calc_predictor(self, encoder_out, encoder_out_lens):
+		
+		encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
+			encoder_out.device)
+		pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(encoder_out, None, encoder_out_mask,
+		                                                                               ignore_id=self.ignore_id)
+		return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index
+	
+	def cal_decoder_with_predictor(self, encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens):
+		
+		decoder_outs = self.decoder(
+			encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens
+		)
+		decoder_out = decoder_outs[0]
+		decoder_out = torch.log_softmax(decoder_out, dim=-1)
+		return decoder_out, ys_pad_lens
+	
+	def _extract_feats(
+		self, speech: torch.Tensor, speech_lengths: torch.Tensor
+	) -> Tuple[torch.Tensor, torch.Tensor]:
+		assert speech_lengths.dim() == 1, speech_lengths.shape
+		
+		# for data-parallel
+		speech = speech[:, : speech_lengths.max()]
+		if self.frontend is not None:
+			# Frontend
+			#  e.g. STFT and Feature extract
+			#       data_loader may send time-domain signal in this case
+			# speech (Batch, NSamples) -> feats: (Batch, NFrames, Dim)
+			feats, feats_lengths = self.frontend(speech, speech_lengths)
+		else:
+			# No frontend and no feature extract
+			feats, feats_lengths = speech, speech_lengths
+		return feats, feats_lengths
+	
+	def nll(
+		self,
+		encoder_out: torch.Tensor,
+		encoder_out_lens: torch.Tensor,
+		ys_pad: torch.Tensor,
+		ys_pad_lens: torch.Tensor,
+	) -> torch.Tensor:
+		"""Compute negative log likelihood(nll) from transformer-decoder
+		Normally, this function is called in batchify_nll.
+		Args:
+				encoder_out: (Batch, Length, Dim)
+				encoder_out_lens: (Batch,)
+				ys_pad: (Batch, Length)
+				ys_pad_lens: (Batch,)
+		"""
+		ys_in_pad, ys_out_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id)
+		ys_in_lens = ys_pad_lens + 1
+		
+		# 1. Forward decoder
+		decoder_out, _ = self.decoder(
+			encoder_out, encoder_out_lens, ys_in_pad, ys_in_lens
+		)  # [batch, seqlen, dim]
+		batch_size = decoder_out.size(0)
+		decoder_num_class = decoder_out.size(2)
+		# nll: negative log-likelihood
+		nll = torch.nn.functional.cross_entropy(
+			decoder_out.view(-1, decoder_num_class),
+			ys_out_pad.view(-1),
+			ignore_index=self.ignore_id,
+			reduction="none",
+		)
+		nll = nll.view(batch_size, -1)
+		nll = nll.sum(dim=1)
+		assert nll.size(0) == batch_size
+		return nll
+	
+	def batchify_nll(
+		self,
+		encoder_out: torch.Tensor,
+		encoder_out_lens: torch.Tensor,
+		ys_pad: torch.Tensor,
+		ys_pad_lens: torch.Tensor,
+		batch_size: int = 100,
+	):
+		"""Compute negative log likelihood(nll) from transformer-decoder
+		To avoid OOM, this fuction seperate the input into batches.
+		Then call nll for each batch and combine and return results.
+		Args:
+				encoder_out: (Batch, Length, Dim)
+				encoder_out_lens: (Batch,)
+				ys_pad: (Batch, Length)
+				ys_pad_lens: (Batch,)
+				batch_size: int, samples each batch contain when computing nll,
+										you may change this to avoid OOM or increase
+										GPU memory usage
+		"""
+		total_num = encoder_out.size(0)
+		if total_num <= batch_size:
+			nll = self.nll(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens)
+		else:
+			nll = []
+			start_idx = 0
+			while True:
+				end_idx = min(start_idx + batch_size, total_num)
+				batch_encoder_out = encoder_out[start_idx:end_idx, :, :]
+				batch_encoder_out_lens = encoder_out_lens[start_idx:end_idx]
+				batch_ys_pad = ys_pad[start_idx:end_idx, :]
+				batch_ys_pad_lens = ys_pad_lens[start_idx:end_idx]
+				batch_nll = self.nll(
+					batch_encoder_out,
+					batch_encoder_out_lens,
+					batch_ys_pad,
+					batch_ys_pad_lens,
+				)
+				nll.append(batch_nll)
+				start_idx = end_idx
+				if start_idx == total_num:
+					break
+			nll = torch.cat(nll)
+		assert nll.size(0) == total_num
+		return nll
+	
+	def _calc_att_loss(
+		self,
+		encoder_out: torch.Tensor,
+		encoder_out_lens: torch.Tensor,
+		ys_pad: torch.Tensor,
+		ys_pad_lens: torch.Tensor,
+	):
+		encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
+			encoder_out.device)
+		if self.predictor_bias == 1:
+			_, ys_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id)
+			ys_pad_lens = ys_pad_lens + self.predictor_bias
+		pre_acoustic_embeds, pre_token_length, _, pre_peak_index = self.predictor(encoder_out, ys_pad, encoder_out_mask,
+		                                                                          ignore_id=self.ignore_id)
+		
+		# 0. sampler
+		decoder_out_1st = None
+		pre_loss_att = None
+		if self.sampling_ratio > 0.0:
+
+
+			if self.use_1st_decoder_loss:
+				sematic_embeds, decoder_out_1st, pre_loss_att = self.sampler_with_grad(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens,
+				                                                                       pre_acoustic_embeds)
+			else:
+				sematic_embeds, decoder_out_1st = self.sampler(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens,
+				                                               pre_acoustic_embeds)
+		else:
+			if self.step_cur < 2:
+				logging.info("disable sampler in paraformer, sampling_ratio: {}".format(self.sampling_ratio))
+			sematic_embeds = pre_acoustic_embeds
+		
+		# 1. Forward decoder
+		decoder_outs = self.decoder(
+			encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens
+		)
+		decoder_out, _ = decoder_outs[0], decoder_outs[1]
+		
+		if decoder_out_1st is None:
+			decoder_out_1st = decoder_out
+		# 2. Compute attention loss
+		loss_att = self.criterion_att(decoder_out, ys_pad)
+		acc_att = th_accuracy(
+			decoder_out_1st.view(-1, self.vocab_size),
+			ys_pad,
+			ignore_label=self.ignore_id,
+		)
+		loss_pre = self.criterion_pre(ys_pad_lens.type_as(pre_token_length), pre_token_length)
+		
+		# Compute cer/wer using attention-decoder
+		if self.training or self.error_calculator is None:
+			cer_att, wer_att = None, None
+		else:
+			ys_hat = decoder_out_1st.argmax(dim=-1)
+			cer_att, wer_att = self.error_calculator(ys_hat.cpu(), ys_pad.cpu())
+		
+		return loss_att, acc_att, cer_att, wer_att, loss_pre, pre_loss_att
+	
+	def sampler(self, encoder_out, encoder_out_lens, ys_pad, ys_pad_lens, pre_acoustic_embeds):
+		
+		tgt_mask = (~make_pad_mask(ys_pad_lens, maxlen=ys_pad_lens.max())[:, :, None]).to(ys_pad.device)
+		ys_pad_masked = ys_pad * tgt_mask[:, :, 0]
+		if self.share_embedding:
+			ys_pad_embed = self.decoder.output_layer.weight[ys_pad_masked]
+		else:
+			ys_pad_embed = self.decoder.embed(ys_pad_masked)
+		with torch.no_grad():
+			decoder_outs = self.decoder(
+				encoder_out, encoder_out_lens, pre_acoustic_embeds, ys_pad_lens
+			)
+			decoder_out, _ = decoder_outs[0], decoder_outs[1]
+			pred_tokens = decoder_out.argmax(-1)
+			nonpad_positions = ys_pad.ne(self.ignore_id)
+			seq_lens = (nonpad_positions).sum(1)
+			same_num = ((pred_tokens == ys_pad) & nonpad_positions).sum(1)
+			input_mask = torch.ones_like(nonpad_positions)
+			bsz, seq_len = ys_pad.size()
+			for li in range(bsz):
+				target_num = (((seq_lens[li] - same_num[li].sum()).float()) * self.sampling_ratio).long()
+				if target_num > 0:
+					input_mask[li].scatter_(dim=0, index=torch.randperm(seq_lens[li])[:target_num].cuda(), value=0)
+			input_mask = input_mask.eq(1)
+			input_mask = input_mask.masked_fill(~nonpad_positions, False)
+			input_mask_expand_dim = input_mask.unsqueeze(2).to(pre_acoustic_embeds.device)
+		
+		sematic_embeds = pre_acoustic_embeds.masked_fill(~input_mask_expand_dim, 0) + ys_pad_embed.masked_fill(
+			input_mask_expand_dim, 0)
+		return sematic_embeds * tgt_mask, decoder_out * tgt_mask
+	
+	def sampler_with_grad(self, encoder_out, encoder_out_lens, ys_pad, ys_pad_lens, pre_acoustic_embeds):
+		tgt_mask = (~make_pad_mask(ys_pad_lens, maxlen=ys_pad_lens.max())[:, :, None]).to(ys_pad.device)
+		ys_pad_masked = ys_pad * tgt_mask[:, :, 0]
+		if self.share_embedding:
+			ys_pad_embed = self.decoder.output_layer.weight[ys_pad_masked]
+		else:
+			ys_pad_embed = self.decoder.embed(ys_pad_masked)
+		decoder_outs = self.decoder(
+			encoder_out, encoder_out_lens, pre_acoustic_embeds, ys_pad_lens
+		)
+		pre_loss_att = self.criterion_att(decoder_outs[0], ys_pad)
+		decoder_out, _ = decoder_outs[0], decoder_outs[1]
+		pred_tokens = decoder_out.argmax(-1)
+		nonpad_positions = ys_pad.ne(self.ignore_id)
+		seq_lens = (nonpad_positions).sum(1)
+		same_num = ((pred_tokens == ys_pad) & nonpad_positions).sum(1)
+		input_mask = torch.ones_like(nonpad_positions)
+		bsz, seq_len = ys_pad.size()
+		for li in range(bsz):
+			target_num = (((seq_lens[li] - same_num[li].sum()).float()) * self.sampling_ratio).long()
+			if target_num > 0:
+				input_mask[li].scatter_(dim=0, index=torch.randperm(seq_lens[li])[:target_num], value=0)
+		input_mask = input_mask.eq(1)
+		input_mask = input_mask.masked_fill(~nonpad_positions, False)
+		input_mask_expand_dim = input_mask.unsqueeze(2).to(pre_acoustic_embeds.device)
+		
+		sematic_embeds = pre_acoustic_embeds.masked_fill(~input_mask_expand_dim, 0) + ys_pad_embed.masked_fill(
+			input_mask_expand_dim, 0)
+		
+		return sematic_embeds * tgt_mask, decoder_out * tgt_mask, pre_loss_att
+	
+	def _calc_ctc_loss(
+		self,
+		encoder_out: torch.Tensor,
+		encoder_out_lens: torch.Tensor,
+		ys_pad: torch.Tensor,
+		ys_pad_lens: torch.Tensor,
+	):
+		# Calc CTC loss
+		loss_ctc = self.ctc(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens)
+		
+		# Calc CER using CTC
+		cer_ctc = None
+		if not self.training and self.error_calculator is not None:
+			ys_hat = self.ctc.argmax(encoder_out).data
+			cer_ctc = self.error_calculator(ys_hat.cpu(), ys_pad.cpu(), is_ctc=True)
+		return loss_ctc, cer_ctc
diff --git a/funasr/cli/train_cli.py b/funasr/cli/train_cli.py
new file mode 100644
index 0000000..28e0e28
--- /dev/null
+++ b/funasr/cli/train_cli.py
@@ -0,0 +1,170 @@
+import argparse
+import logging
+import os
+import sys
+from io import BytesIO
+from collections.abc import Sequence
+import torch
+import hydra
+from omegaconf import DictConfig, OmegaConf
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+# from funasr.model_class_factory1 import model_choices
+from funasr.modules.lora.utils import mark_only_lora_as_trainable
+from funasr.optimizers import optim_choices
+from funasr.schedulers import scheduler_choices
+from funasr.torch_utils.load_pretrained_model import load_pretrained_model
+from funasr.torch_utils.initialize import initialize
+from funasr.datasets.data_sampler import BatchSampler
+# from funasr.tokenizer.build_tokenizer import build_tokenizer
+# from funasr.tokenizer.token_id_converter import TokenIDConverter
+from funasr.tokenizer.funtoken import build_tokenizer
+from funasr.datasets.dataset_jsonl import AudioDataset
+from funasr.cli.trainer import Trainer
+# from funasr.utils.load_fr_py import load_class_from_path
+from funasr.utils.dynamic_import import dynamic_import
+import torch.distributed as dist
+from torch.nn.parallel import DistributedDataParallel as DDP
+from torch.distributed.fsdp import FullyShardedDataParallel as FSDP
+
+
+def preprocess_config(cfg: DictConfig):
+	for key, value in cfg.items():
+		if value == 'None':
+			cfg[key] = None
+
+
+
+@hydra.main()
+def main(kwargs: DictConfig):
+	# preprocess_config(kwargs)
+	import pdb; pdb.set_trace()
+	# set random seed
+	set_all_random_seed(kwargs.get("seed", 0))
+	torch.backends.cudnn.enabled = kwargs.get("cudnn_enabled", torch.backends.cudnn.enabled)
+	torch.backends.cudnn.benchmark = kwargs.get("cudnn_benchmark", torch.backends.cudnn.benchmark)
+	torch.backends.cudnn.deterministic = kwargs.get("cudnn_deterministic", True)
+	
+	local_rank = int(os.environ.get('LOCAL_RANK', 0))
+	# Check if we are using DDP or FSDP
+	use_ddp = 'WORLD_SIZE' in os.environ
+	use_fsdp = kwargs.get("use_fsdp", None)
+	if use_ddp or use_fsdp:
+		dist.init_process_group(backend=kwargs.get("backend", "nccl"), init_method='env://')
+		device= torch.cuda.set_device(local_rank)
+	
+	
+	# build_tokenizer
+	tokenizer = build_tokenizer(
+		token_type=kwargs.get("token_type", "char"),
+		bpemodel=kwargs.get("bpemodel", None),
+		delimiter=kwargs.get("delimiter", None),
+		space_symbol=kwargs.get("space_symbol", "<space>"),
+		non_linguistic_symbols=kwargs.get("non_linguistic_symbols", None),
+		g2p_type=kwargs.get("g2p_type", None),
+		token_list=kwargs.get("token_list", None),
+		unk_symbol=kwargs.get("unk_symbol", "<unk>"),
+	)
+
+	# import pdb;
+	# pdb.set_trace()
+	# build model
+	# model_class = model_choices.get_class(kwargs.get("model", "asr"))
+	# model_class = load_class_from_path(kwargs.get("model").split(":"))
+	model_class = dynamic_import(kwargs.get("model"))
+	model = model_class(**kwargs, **kwargs["model_conf"], vocab_size=len(tokenizer.token_list))
+	# model = model.to(device=kwargs.get("device", "cpu"))
+	
+
+	
+	# import pdb;
+	# pdb.set_trace()
+	# freeze_param
+	freeze_param = kwargs.get("freeze_param", None)
+	if freeze_param is not None:
+		freeze_param = eval(freeze_param)
+		if isinstance(freeze_param, Sequence):
+			freeze_param = (freeze_param,)
+		logging.info("freeze_param is not None: ", freeze_param)
+		for t in freeze_param:
+			for k, p in model.named_parameters():
+				if k.startswith(t + ".") or k == t:
+					logging.info(f"Setting {k}.requires_grad = False")
+					p.requires_grad = False
+	
+
+	if use_ddp:
+		model = model.cuda(local_rank)
+		model = DDP(model, device_ids=[local_rank])
+	elif use_fsdp:
+		model = FSDP(model).cuda(local_rank)
+		
+		
+	# optim
+	optim = kwargs.get("optim", "adam")
+	assert optim in optim_choices
+	optim_class = optim_choices.get(optim)
+	optim = optim_class(model.parameters(), **kwargs.get("optim_conf"))
+	
+	# scheduler
+	scheduler = kwargs.get("scheduler", "warmuplr")
+	assert scheduler in scheduler_choices
+	scheduler_class = scheduler_choices.get(scheduler)
+	scheduler = scheduler_class(optim, **kwargs.get("scheduler_conf"))
+
+	# init_param
+	init_param = kwargs.get("init_param", None)
+	if init_param is not None:
+		init_param = eval(init_param)
+		if isinstance(init_param, Sequence):
+			init_param = (init_param,)
+		logging.info("init_param is not None: ", freeze_param)
+		for p in init_param:
+			logging.info(f"Loading pretrained params from {p}")
+			load_pretrained_model(
+				model=model,
+				init_param=p,
+				ignore_init_mismatch=kwargs.get("ignore_init_mismatch", True),
+				oss_bucket=kwargs.get("oss_bucket", None),
+			)
+	else:
+		initialize(model, kwargs.get("init", "kaiming_normal"))
+	
+
+	# dataset
+	dataset_tr = AudioDataset(kwargs.get("train_data_set_list"), frontend=model.frontend, tokenizer=tokenizer, **kwargs.get("dataset_conf"))
+
+	# dataloader
+	batch_sampler = BatchSampler(dataset_tr, **kwargs.get("dataset_conf"), **kwargs.get("dataset_conf").get("batch_conf"))
+	dataloader_tr = torch.utils.data.DataLoader(dataset_tr,
+	                                            collate_fn=dataset_tr.collator,
+	                                            batch_sampler=batch_sampler,
+	                                            num_workers=kwargs.get("num_workers", 0),
+	                                            pin_memory=True)
+
+	trainer = Trainer(
+	    model=model,
+	    optim=optim,
+	    scheduler=scheduler,
+	    dataloader_train=dataloader_tr,
+	    dataloader_val=None,
+		local_rank=local_rank,
+		use_ddp=use_ddp,
+		use_fsdp=use_fsdp,
+		**kwargs.get("train_conf"),
+	)
+	trainer.run()
+	
+	if use_ddp or use_fsdp:
+		torch.distributed.destroy_process_group()
+
+	
+	
+def train(epoch, model, op):
+	pass
+
+def val():
+	pass
+
+
+if __name__ == "__main__":
+	main()
\ No newline at end of file
diff --git a/funasr/cli/trainer.py b/funasr/cli/trainer.py
new file mode 100644
index 0000000..30e0419
--- /dev/null
+++ b/funasr/cli/trainer.py
@@ -0,0 +1,236 @@
+import torch
+import os
+from funasr.torch_utils.device_funcs import to_device
+import logging
+from tqdm import tqdm
+from contextlib import nullcontext
+
+class Trainer:
+	"""
+	A simple trainer class for training a PyTorch model, saving checkpoints at the end of each epoch,
+	and optionally resuming from a saved checkpoint.
+
+	Attributes:
+		max_epoch (int): Maximum number of epochs for training.
+		model (torch.nn.Module): The model to be trained.
+		optim (torch.optim.Optimizer): The optimizer to use for training.
+		scheduler (torch.optim.lr_scheduler._LRScheduler): The learning rate scheduler.
+		dataloader_train (torch.utils.data.DataLoader): DataLoader for the training dataset.
+		dataloader_val (torch.utils.data.DataLoader): DataLoader for the validation dataset.
+		output_dir (str): Directory where model checkpoints will be saved.
+		resume (str, optional): Path to a checkpoint to resume training from.
+	"""
+	
+	def __init__(self, model,
+	             optim,
+	             scheduler,
+	             dataloader_train,
+	             dataloader_val,
+	             local_rank,
+	             use_ddp=False,
+	             use_fsdp=False,
+	             **kwargs):
+		"""
+		Initializes the Trainer class with the model, optimizer, scheduler, dataloaders, and other settings.
+
+		Args:
+			model (torch.nn.Module): The model to be trained.
+			optim (torch.optim.Optimizer): The optimizer to use for training.
+			scheduler (torch.optim.lr_scheduler._LRScheduler): The learning rate scheduler.
+			dataloader_train (torch.utils.data.DataLoader): The DataLoader for the training dataset.
+			dataloader_val (torch.utils.data.DataLoader): The DataLoader for the validation dataset.
+			**kwargs: Additional keyword arguments:
+					  max_epoch (int): The maximum number of epochs for training.
+					  output_dir (str): The directory where model checkpoints will be saved. Default is './'.
+					  resume (str, optional): The file path to a checkpoint to resume training from.
+		"""
+		
+		self.model = model
+		self.optim = optim
+		self.scheduler = scheduler
+		self.dataloader_train = dataloader_train
+		self.dataloader_val = dataloader_val
+		self.output_dir = kwargs.get('output_dir', './')
+		self.resume = kwargs.get('resume', None)
+		self.start_epoch = 1
+		self.max_epoch = kwargs.get('max_epoch', 100)
+		self.local_rank = local_rank
+		self.use_ddp = use_ddp
+		self.use_fsdp = use_fsdp
+		self.device = torch.device("cuda", local_rank)
+		self.kwargs = kwargs
+		
+		if self.resume:
+			self._resume_checkpoint(self.resume)
+	
+	def _save_checkpoint(self, epoch):
+		"""
+		Saves a checkpoint containing the model's state, the optimizer's state,
+		and the scheduler's state at the end of the given epoch. This method is
+		intended to be called at the end of each epoch to save the training progress.
+
+		Args:
+			epoch (int): The epoch number at which the checkpoint is being saved.
+		"""
+		state = {
+			'epoch': epoch,
+			'state_dict': self.model.state_dict(),
+			'optimizer': self.optim.state_dict(),
+			'scheduler': self.scheduler.state_dict(),
+		}
+		# Create output directory if it does not exist
+		os.makedirs(self.output_dir, exist_ok=True)
+		filename = os.path.join(self.output_dir, f'model.{epoch}.pb')
+		torch.save(state, filename)
+		print(f'Checkpoint saved to {filename}')
+	
+	def _resume_checkpoint(self, resume_path):
+		"""
+		Resumes training from a checkpoint at the given file path.
+		Loads the model's state, the optimizer's state, and the scheduler's state.
+
+		Args:
+			resume_path (str): The file path to the checkpoint to resume from.
+		"""
+		if os.path.isfile(resume_path):
+			checkpoint = torch.load(resume_path)
+			self.start_epoch = checkpoint['epoch'] + 1
+			self.model.load_state_dict(checkpoint['state_dict'])
+			self.optim.load_state_dict(checkpoint['optimizer'])
+			self.scheduler.load_state_dict(checkpoint['scheduler'])
+			print(f"Checkpoint loaded successfully from '{resume_path}' at (epoch {checkpoint['epoch']})")
+		else:
+			print(f"No checkpoint found at '{resume_path}', starting from scratch")
+		
+	def run(self):
+		"""
+		Starts the training process, iterating over epochs, training the model,
+		and saving checkpoints at the end of each epoch.
+		"""
+		for epoch in range(self.start_epoch, self.max_epoch + 1):
+			self._train_epoch(epoch)
+			# self._validate_epoch(epoch)
+			self._save_checkpoint(epoch)
+			self.scheduler.step()
+	
+	def _train_epoch(self, epoch):
+		"""
+		Defines the training process for a single epoch with gradient accumulation.
+		Args:
+			epoch (int): The current epoch number.
+		"""
+		self.model.train()
+		pbar = tqdm(colour="blue", desc=f"Training Epoch: {epoch + 1}", total=len(self.dataloader_train),
+		            dynamic_ncols=True)
+		
+		# Set the number of steps for gradient accumulation
+		accumulation_steps = self.kwargs.get("accumulation_steps", 1)
+		# Initialize the gradient accumulation
+		self.optim.zero_grad()
+		
+		for batch_idx, batch in enumerate(self.dataloader_train):
+			batch = to_device(batch, self.device)
+			
+			my_context = model.no_sync if batch_idx % accumulation_steps != 0 else nullcontext
+			with my_context():
+				retval = self.model(**batch)
+				loss, stats, weight = retval
+				
+				# Scale the loss since we're not updating for every mini-batch
+				loss = loss / accumulation_steps
+				loss.backward()
+			
+			# Perform an optimizer step only after accumulating enough gradients
+			if (batch_idx + 1) % accumulation_steps == 0 or (batch_idx + 1) == len(self.dataloader_train):
+				# Perform gradient clipping if it is set
+				if self.kwargs.get("grad_clip", None) is not None:
+					grad_norm = torch.nn.utils.clip_grad_norm_(
+						self.model.parameters(),
+						max_norm=self.kwargs.get("grad_clip", 10.0),
+						norm_type=self.kwargs.get("grad_clip_type", 2.0),
+					)
+					if not torch.isfinite(grad_norm):
+						logging.warning(
+							f"The grad norm is {grad_norm}. Skipping updating the model."
+						)
+						self.optim.zero_grad()  # Reset gradients
+						continue
+				
+				# Execute an optimization step (update model parameters)
+				self.optim.step()
+				self.scheduler.step()
+				# Clear gradients for the next accumulation stage
+				self.optim.zero_grad()
+			
+			pbar.update(1)
+			pbar.set_description(
+				f"Training Epoch: {epoch + 1}/{self.max_epoch}, step {batch_idx}/{len(self.dataloader_train)}  (loss: {loss.detach().float()})")
+		
+		pbar.close()
+	
+	# def _train_epoch(self, epoch):
+	# 	"""
+	# 	Defines the training process for a single epoch.
+	# 	Should be implemented with the actual model training steps.
+	#
+	# 	Args:
+	# 		epoch (int): The current epoch number.
+	# 	"""
+	# 	self.model.train()
+	# 	pbar = tqdm(colour="blue", desc=f"Training Epoch: {epoch + 1}", total=len(self.dataloader_train), dynamic_ncols=True)
+	# 	for batch_idx, batch in enumerate(self.dataloader_train):
+	# 		batch = to_device(batch, "cpu")
+	# 		retval = self.model(**batch)
+	# 		loss, stats, weight = retval
+	# 		self.optim.zero_grad()
+	# 		loss.backward()
+	#
+	# 		# compute the gradient norm to check if it is normal or not
+	# 		grad_norm = torch.nn.utils.clip_grad_norm_(
+	# 			self.model.parameters(),
+	# 			max_norm=self.kwargs.get("grad_clip", 10.0),
+	# 			norm_type=self.kwargs.get("grad_clip_type", 2.0),
+	# 		)
+	# 		if not torch.isfinite(grad_norm):
+	# 			logging.warning(
+	# 				f"The grad norm is {grad_norm}. Skipping updating the model."
+	# 			)
+	# 			continue
+	# 		self.optim.step()
+	# 		self.scheduler.step()
+	# 		pbar.update(1)
+	# 		pbar.set_description(
+	# 			f"Training Epoch: {epoch + 1}/{self.max_epoch}, step {batch_idx}/{len(self.dataloader_train)}  (loss: {loss.detach().float()})")
+	#
+	# 	pbar.close()
+	#
+
+	def _validate_epoch(self, epoch):
+		"""
+		Defines the validation process for a single epoch.
+		Should be implemented with the actual model validation steps.
+	
+		Args:
+			epoch (int): The current epoch number.
+		"""
+		self.model.eval()
+		with torch.no_grad():
+			for data, target in self.dataloader_val:
+				# Implement the model validation steps here
+				pass
+
+# # Example usage
+# if __name__ == "__main__":
+# 	# Assuming the following objects have already been correctly created and initialized:
+# 	# model, optim, scheduler, dataloader_train, and dataloader_val.
+# 	trainer = Trainer(
+# 	    max_epoch=10,
+# 	    model=model,
+# 	    optim=optim,
+# 	    scheduler=scheduler,
+# 	    dataloader_train=dataloader_train,
+# 	    dataloader_val=dataloader_val,
+# 	    output_dir='path_to_save_model',
+# 	    resume='path_to_checkpoint_if_any'
+# 	)
+# 	trainer.run()
\ No newline at end of file
diff --git a/funasr/datasets/data_sampler.py b/funasr/datasets/data_sampler.py
index 60c7c84..3a19a17 100644
--- a/funasr/datasets/data_sampler.py
+++ b/funasr/datasets/data_sampler.py
@@ -4,17 +4,17 @@
 
 class BatchSampler(torch.utils.data.BatchSampler):
 	
-	def __init__(self, dataset, batch_size_type: str="example", batch_size: int=100, sort_size: int=30, drop_last: bool=False, shuffle: bool=True, **kwargs):
+	def __init__(self, dataset, batch_type: str="example", batch_size: int=100, sort_size: int=30, drop_last: bool=False, shuffle: bool=True, **kwargs):
 		
 		self.drop_last = drop_last
 		self.pre_idx = -1
 		self.dataset = dataset
 		self.total_samples = len(dataset)
-		# self.batch_size_type = args.batch_size_type
+		# self.batch_type = args.batch_type
 		# self.batch_size = args.batch_size
 		# self.sort_size = args.sort_size
 		# self.max_length_token = args.max_length_token
-		self.batch_size_type = batch_size_type
+		self.batch_type = batch_type
 		self.batch_size = batch_size
 		self.sort_size = sort_size
 		self.max_length_token = kwargs.get("max_length_token", 5000)
@@ -26,7 +26,7 @@
 		return self.total_samples
 
 	def __iter__(self):
-		print("in sampler")
+		# print("in sampler")
 		
 		if self.shuffle:
 			np.random.shuffle(self.shuffle_idx)
@@ -36,7 +36,7 @@
 		num_sample = 0
 
 		iter_num = (self.total_samples-1) // self.sort_size + 1
-		print("iter_num: ", iter_num)
+		# print("iter_num: ", iter_num)
 		for iter in range(self.pre_idx + 1, iter_num):
 			datalen_with_index = []
 			for i in range(self.sort_size):
@@ -59,7 +59,7 @@
 
 				max_token_cur = max(max_token, sample_len_cur_raw)
 				max_token_padding = 1 + num_sample
-				if self.batch_size_type == 'token':
+				if self.batch_type == 'token':
 					max_token_padding *= max_token_cur
 				if max_token_padding <= self.batch_size:
 					batch.append(idx)
diff --git a/funasr/datasets/dataset_jsonl.py b/funasr/datasets/dataset_jsonl.py
index 3a548c8..eef67c5 100644
--- a/funasr/datasets/dataset_jsonl.py
+++ b/funasr/datasets/dataset_jsonl.py
@@ -88,18 +88,16 @@
 
 
 class AudioDataset(torch.utils.data.Dataset):
-	def __init__(self, path, frontend=None, tokenizer=None, token_id_converter=None):
-
+	def __init__(self, path, frontend=None, tokenizer=None, int_pad_value: int = -1, float_pad_value: float = 0.0, **kwargs):
 		super().__init__()
 		self.indexed_dataset = IndexedDatasetJsonl(path)
 		self.frontend = frontend.forward
 		self.fs = 16000 if frontend is None else frontend.fs
 		self.data_type = "sound"
 		self.tokenizer = tokenizer
-		self.token_id_converter = token_id_converter
 
-		self.int_pad_value = -1
-		self.float_pad_value = 0.0
+		self.int_pad_value = int_pad_value
+		self.float_pad_value = float_pad_value
 
 	
 
@@ -115,8 +113,7 @@
 		data_src = load_audio(source, fs=self.fs)
 		speech, speech_lengths = extract_features(data_src, self.data_type, self.frontend)
 		target = item["target"]
-		text = self.tokenizer.text2tokens(target)
-		ids = self.token_id_converter.tokens2ids(text)
+		ids = self.tokenizer.encode(target)
 		ids_lengths = len(ids)
 		text, text_lengths = torch.tensor(ids, dtype=torch.int64), torch.tensor([ids_lengths], dtype=torch.int32)
 
diff --git a/funasr/datasets/small_datasets/preprocessor.py b/funasr/datasets/small_datasets/preprocessor.py
index 01a8c6f..62beaab 100644
--- a/funasr/datasets/small_datasets/preprocessor.py
+++ b/funasr/datasets/small_datasets/preprocessor.py
@@ -361,6 +361,7 @@
                     tokens = seg_tokenize(tokens, self.seg_dict)
             else:
                 tokens = self.tokenizer.text2tokens(text)
+                
             text_ints = self.token_id_converter.tokens2ids(tokens)
             data[self.text_name] = np.array(text_ints, dtype=np.int64)
         return data
diff --git a/funasr/modules/nets_utils.py b/funasr/modules/nets_utils.py
index b1879fa..0beb083 100644
--- a/funasr/modules/nets_utils.py
+++ b/funasr/modules/nets_utils.py
@@ -347,7 +347,7 @@
 
     Args:
         pad_outputs (Tensor): Prediction tensors (B * Lmax, D).
-        pad_targets (LongTensor): Target label tensors (B, Lmax, D).
+        pad_targets (LongTensor): Target label tensors (B, Lmax).
         ignore_label (int): Ignore label id.
 
     Returns:
diff --git a/funasr/optimizers/__init__.py b/funasr/optimizers/__init__.py
index e69de29..b4dfe5d 100644
--- a/funasr/optimizers/__init__.py
+++ b/funasr/optimizers/__init__.py
@@ -0,0 +1,17 @@
+import torch
+from funasr.optimizers.fairseq_adam import FairseqAdam
+from funasr.optimizers.sgd import SGD
+
+optim_choices = dict(
+	adam=torch.optim.Adam,
+	fairseq_adam=FairseqAdam,
+	adamw=torch.optim.AdamW,
+	sgd=SGD,
+	adadelta=torch.optim.Adadelta,
+	adagrad=torch.optim.Adagrad,
+	adamax=torch.optim.Adamax,
+	asgd=torch.optim.ASGD,
+	lbfgs=torch.optim.LBFGS,
+	rmsprop=torch.optim.RMSprop,
+	rprop=torch.optim.Rprop,
+)
\ No newline at end of file
diff --git a/funasr/schedulers/__init__.py b/funasr/schedulers/__init__.py
index e69de29..7bb8118 100644
--- a/funasr/schedulers/__init__.py
+++ b/funasr/schedulers/__init__.py
@@ -0,0 +1,23 @@
+import torch
+import torch.multiprocessing
+import torch.nn
+import torch.optim
+
+from funasr.schedulers.noam_lr import NoamLR
+from funasr.schedulers.tri_stage_scheduler import TriStageLR
+from funasr.schedulers.warmup_lr import WarmupLR
+
+scheduler_choices = dict(
+	ReduceLROnPlateau=torch.optim.lr_scheduler.ReduceLROnPlateau,
+	lambdalr=torch.optim.lr_scheduler.LambdaLR,
+	steplr=torch.optim.lr_scheduler.StepLR,
+	multisteplr=torch.optim.lr_scheduler.MultiStepLR,
+	exponentiallr=torch.optim.lr_scheduler.ExponentialLR,
+	CosineAnnealingLR=torch.optim.lr_scheduler.CosineAnnealingLR,
+	noamlr=NoamLR,
+	warmuplr=WarmupLR,
+	tri_stage=TriStageLR,
+	cycliclr=torch.optim.lr_scheduler.CyclicLR,
+	onecyclelr=torch.optim.lr_scheduler.OneCycleLR,
+	CosineAnnealingWarmRestarts=torch.optim.lr_scheduler.CosineAnnealingWarmRestarts,
+)
\ No newline at end of file
diff --git a/funasr/tokenizer/abs_tokenizer.py b/funasr/tokenizer/abs_tokenizer.py
index fc2ccb3..ffb6b76 100644
--- a/funasr/tokenizer/abs_tokenizer.py
+++ b/funasr/tokenizer/abs_tokenizer.py
@@ -2,7 +2,13 @@
 from abc import abstractmethod
 from typing import Iterable
 from typing import List
+from pathlib import Path
+from typing import Dict
+from typing import Iterable
+from typing import List
+from typing import Union
 
+import numpy as np
 
 class AbsTokenizer(ABC):
     @abstractmethod
@@ -12,3 +18,70 @@
     @abstractmethod
     def tokens2text(self, tokens: Iterable[str]) -> str:
         raise NotImplementedError
+
+
+class BaseTokenizer(ABC):
+    def __init__(self, token_list: Union[Path, str, Iterable[str]],
+                 unk_symbol: str = "<unk>",
+                 **kwargs,
+                 ):
+        
+        if isinstance(token_list, (Path, str)):
+            token_list = Path(token_list)
+            self.token_list_repr = str(token_list)
+            self.token_list: List[str] = []
+            
+            with token_list.open("r", encoding="utf-8") as f:
+                for idx, line in enumerate(f):
+                    line = line.rstrip()
+                    self.token_list.append(line)
+        
+        else:
+            self.token_list: List[str] = list(token_list)
+            self.token_list_repr = ""
+            for i, t in enumerate(self.token_list):
+                if i == 3:
+                    break
+                self.token_list_repr += f"{t}, "
+            self.token_list_repr += f"... (NVocab={(len(self.token_list))})"
+        
+        self.token2id: Dict[str, int] = {}
+        for i, t in enumerate(self.token_list):
+            if t in self.token2id:
+                raise RuntimeError(f'Symbol "{t}" is duplicated')
+            self.token2id[t] = i
+        
+        self.unk_symbol = unk_symbol
+        if self.unk_symbol not in self.token2id:
+            raise RuntimeError(
+                f"Unknown symbol '{unk_symbol}' doesn't exist in the token_list"
+            )
+        self.unk_id = self.token2id[self.unk_symbol]
+    
+    def encode(self, text):
+        tokens = self.text2tokens(text)
+        text_ints = self.tokens2ids(tokens)
+        
+        return text_ints
+    
+    def decode(self, text_ints):
+        return self.ids2tokens(text_ints)
+    
+    def get_num_vocabulary_size(self) -> int:
+        return len(self.token_list)
+    
+    def ids2tokens(self, integers: Union[np.ndarray, Iterable[int]]) -> List[str]:
+        if isinstance(integers, np.ndarray) and integers.ndim != 1:
+            raise ValueError(f"Must be 1 dim ndarray, but got {integers.ndim}")
+        return [self.token_list[i] for i in integers]
+    
+    def tokens2ids(self, tokens: Iterable[str]) -> List[int]:
+        return [self.token2id.get(i, self.unk_id) for i in tokens]
+    
+    @abstractmethod
+    def text2tokens(self, line: str) -> List[str]:
+        raise NotImplementedError
+    
+    @abstractmethod
+    def tokens2text(self, tokens: Iterable[str]) -> str:
+        raise NotImplementedError
diff --git a/funasr/tokenizer/build_tokenizer.py b/funasr/tokenizer/build_tokenizer.py
index 9d1cdc3..1dc17da 100644
--- a/funasr/tokenizer/build_tokenizer.py
+++ b/funasr/tokenizer/build_tokenizer.py
@@ -1,7 +1,17 @@
 from pathlib import Path
 from typing import Iterable
 from typing import Union
+from abc import ABC
+from abc import abstractmethod
+from typing import Iterable
+from typing import List
+from pathlib import Path
+from typing import Dict
+from typing import Iterable
+from typing import List
+from typing import Union
 
+import numpy as np
 
 from funasr.tokenizer.abs_tokenizer import AbsTokenizer
 from funasr.tokenizer.char_tokenizer import CharTokenizer
@@ -18,6 +28,7 @@
     space_symbol: str = "<space>",
     delimiter: str = None,
     g2p_type: str = None,
+    **kwargs,
 ) -> AbsTokenizer:
     """A helper function to instantiate Tokenizer"""
     if token_type == "bpe":
@@ -28,7 +39,7 @@
             raise RuntimeError(
                 "remove_non_linguistic_symbols is not implemented for token_type=bpe"
             )
-        return SentencepiecesTokenizer(bpemodel)
+        return SentencepiecesTokenizer(bpemodel, **kwargs)
 
     elif token_type == "word":
         if remove_non_linguistic_symbols and non_linguistic_symbols is not None:
@@ -38,13 +49,14 @@
                 remove_non_linguistic_symbols=True,
             )
         else:
-            return WordTokenizer(delimiter=delimiter)
+            return WordTokenizer(delimiter=delimiter, **kwargs)
 
     elif token_type == "char":
         return CharTokenizer(
             non_linguistic_symbols=non_linguistic_symbols,
             space_symbol=space_symbol,
             remove_non_linguistic_symbols=remove_non_linguistic_symbols,
+            **kwargs
         )
 
     elif token_type == "phn":
@@ -53,6 +65,7 @@
             non_linguistic_symbols=non_linguistic_symbols,
             space_symbol=space_symbol,
             remove_non_linguistic_symbols=remove_non_linguistic_symbols,
+            **kwargs
         )
 
     else:
diff --git a/funasr/tokenizer/char_tokenizer.py b/funasr/tokenizer/char_tokenizer.py
index 6c9a5a5..80528a2 100644
--- a/funasr/tokenizer/char_tokenizer.py
+++ b/funasr/tokenizer/char_tokenizer.py
@@ -6,15 +6,17 @@
 
 
 from funasr.tokenizer.abs_tokenizer import AbsTokenizer
+from funasr.tokenizer.abs_tokenizer import BaseTokenizer
 
-
-class CharTokenizer(AbsTokenizer):
+class CharTokenizer(BaseTokenizer):
     def __init__(
         self,
         non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
         space_symbol: str = "<space>",
         remove_non_linguistic_symbols: bool = False,
+        **kwargs,
     ):
+        super().__init__(**kwargs)
         self.space_symbol = space_symbol
         if non_linguistic_symbols is None:
             self.non_linguistic_symbols = set()
diff --git a/funasr/tokenizer/funtoken.py b/funasr/tokenizer/funtoken.py
new file mode 100644
index 0000000..7187d85
--- /dev/null
+++ b/funasr/tokenizer/funtoken.py
@@ -0,0 +1,75 @@
+from pathlib import Path
+from typing import Iterable
+from typing import Union
+from abc import ABC
+from abc import abstractmethod
+from typing import Iterable
+from typing import List
+from pathlib import Path
+from typing import Dict
+from typing import Iterable
+from typing import List
+from typing import Union
+
+import numpy as np
+
+from funasr.tokenizer.abs_tokenizer import AbsTokenizer
+from funasr.tokenizer.char_tokenizer import CharTokenizer
+from funasr.tokenizer.phoneme_tokenizer import PhonemeTokenizer
+from funasr.tokenizer.sentencepiece_tokenizer import SentencepiecesTokenizer
+from funasr.tokenizer.word_tokenizer import WordTokenizer
+
+def build_tokenizer(
+    token_type: str,
+    bpemodel: Union[Path, str, Iterable[str]] = None,
+    non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
+    remove_non_linguistic_symbols: bool = False,
+    space_symbol: str = "<space>",
+    delimiter: str = None,
+    g2p_type: str = None,
+    **kwargs,
+):
+    """A helper function to instantiate Tokenizer"""
+    # import pdb;
+    # pdb.set_trace()
+    if token_type == "bpe":
+        if bpemodel is None:
+            raise ValueError('bpemodel is required if token_type = "bpe"')
+
+        if remove_non_linguistic_symbols:
+            raise RuntimeError(
+                "remove_non_linguistic_symbols is not implemented for token_type=bpe"
+            )
+        return SentencepiecesTokenizer(bpemodel, **kwargs)
+
+    elif token_type == "word":
+        if remove_non_linguistic_symbols and non_linguistic_symbols is not None:
+            return WordTokenizer(
+                delimiter=delimiter,
+                non_linguistic_symbols=non_linguistic_symbols,
+                remove_non_linguistic_symbols=True,
+            )
+        else:
+            return WordTokenizer(delimiter=delimiter, **kwargs)
+
+    elif token_type == "char":
+        return CharTokenizer(
+            non_linguistic_symbols=non_linguistic_symbols,
+            space_symbol=space_symbol,
+            remove_non_linguistic_symbols=remove_non_linguistic_symbols,
+            **kwargs
+        )
+
+    elif token_type == "phn":
+        return PhonemeTokenizer(
+            g2p_type=g2p_type,
+            non_linguistic_symbols=non_linguistic_symbols,
+            space_symbol=space_symbol,
+            remove_non_linguistic_symbols=remove_non_linguistic_symbols,
+            **kwargs
+        )
+
+    else:
+        raise ValueError(
+            f"token_mode must be one of bpe, word, char or phn: " f"{token_type}"
+        )
diff --git a/funasr/tokenizer/phoneme_tokenizer.py b/funasr/tokenizer/phoneme_tokenizer.py
index 0117c6a..04b423b 100644
--- a/funasr/tokenizer/phoneme_tokenizer.py
+++ b/funasr/tokenizer/phoneme_tokenizer.py
@@ -363,6 +363,7 @@
         non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
         space_symbol: str = "<space>",
         remove_non_linguistic_symbols: bool = False,
+        **kwargs,
     ):
         if g2p_type is None:
             self.g2p = split_by_space
diff --git a/funasr/tokenizer/sentencepiece_tokenizer.py b/funasr/tokenizer/sentencepiece_tokenizer.py
index 9a65920..df98c2c 100644
--- a/funasr/tokenizer/sentencepiece_tokenizer.py
+++ b/funasr/tokenizer/sentencepiece_tokenizer.py
@@ -9,7 +9,7 @@
 
 
 class SentencepiecesTokenizer(AbsTokenizer):
-    def __init__(self, model: Union[Path, str]):
+    def __init__(self, model: Union[Path, str], **kwargs):
         self.model = str(model)
         # NOTE(kamo):
         # Don't build SentencePieceProcessor in __init__()
diff --git a/funasr/tokenizer/word_tokenizer.py b/funasr/tokenizer/word_tokenizer.py
index cbd0673..d7bbaf9 100644
--- a/funasr/tokenizer/word_tokenizer.py
+++ b/funasr/tokenizer/word_tokenizer.py
@@ -14,6 +14,7 @@
         delimiter: str = None,
         non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
         remove_non_linguistic_symbols: bool = False,
+        **kwargs,
     ):
         self.delimiter = delimiter
 
diff --git a/funasr/utils/dynamic_import.py b/funasr/utils/dynamic_import.py
new file mode 100644
index 0000000..2830cb2
--- /dev/null
+++ b/funasr/utils/dynamic_import.py
@@ -0,0 +1,13 @@
+import importlib
+
+
+def dynamic_import(import_path):
+    """dynamic import module and class
+
+    :param str import_path: syntax 'module_name:class_name'
+    :return: imported class
+    """
+
+    module_name, objname = import_path.split(":")
+    m = importlib.import_module(module_name)
+    return getattr(m, objname)
diff --git a/funasr/utils/load_fr_py.py b/funasr/utils/load_fr_py.py
new file mode 100644
index 0000000..6697e04
--- /dev/null
+++ b/funasr/utils/load_fr_py.py
@@ -0,0 +1,13 @@
+import importlib.util
+import sys
+
+def load_class_from_path(model_path):
+    path, class_name = model_path
+    # import pdb;
+    # pdb.set_trace()
+    spec = importlib.util.spec_from_file_location("module.name", path)
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[spec.name] = module
+    spec.loader.exec_module(module)
+    return getattr(module, class_name)
+

--
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