diff --git a/modelscope/metrics/sequence_classification_metric.py b/modelscope/metrics/sequence_classification_metric.py
index d795d8a2..51a829ef 100644
--- a/modelscope/metrics/sequence_classification_metric.py
+++ b/modelscope/metrics/sequence_classification_metric.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Dict
 
 import numpy as np
diff --git a/modelscope/metrics/text_generation_metric.py b/modelscope/metrics/text_generation_metric.py
index 6bdcbc58..f154281d 100644
--- a/modelscope/metrics/text_generation_metric.py
+++ b/modelscope/metrics/text_generation_metric.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Dict
 
 from modelscope.metainfo import Metrics
diff --git a/modelscope/metrics/token_classification_metric.py b/modelscope/metrics/token_classification_metric.py
index 53d13b6a..05b72170 100644
--- a/modelscope/metrics/token_classification_metric.py
+++ b/modelscope/metrics/token_classification_metric.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import importlib
 from typing import Dict, List, Optional, Union
 
diff --git a/modelscope/models/multi_modal/mplug/clip/__init__.py b/modelscope/models/multi_modal/mplug/clip/__init__.py
index 05826f46..e6007a04 100644
--- a/modelscope/models/multi_modal/mplug/clip/__init__.py
+++ b/modelscope/models/multi_modal/mplug/clip/__init__.py
@@ -1 +1,3 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from .clip import load_from_config
diff --git a/modelscope/models/multi_modal/mplug/predictor.py b/modelscope/models/multi_modal/mplug/predictor.py
index c976baa1..6375d1d7 100755
--- a/modelscope/models/multi_modal/mplug/predictor.py
+++ b/modelscope/models/multi_modal/mplug/predictor.py
@@ -1,3 +1,19 @@
+# Copyright 2021-2022 The Alibaba DAMO NLP Team Authors.
+# Copyright 2018 The Google AI Language Team Authors and The HugginFace Inc. team.
+# Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from __future__ import print_function
 
 import torch
diff --git a/modelscope/models/multi_modal/mplug_for_all_tasks.py b/modelscope/models/multi_modal/mplug_for_all_tasks.py
index d61fea10..64a7dd7b 100644
--- a/modelscope/models/multi_modal/mplug_for_all_tasks.py
+++ b/modelscope/models/multi_modal/mplug_for_all_tasks.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os.path as osp
 from typing import Dict, List
 
diff --git a/modelscope/models/nlp/backbones/structbert.py b/modelscope/models/nlp/backbones/structbert.py
index f47900c3..74735520 100644
--- a/modelscope/models/nlp/backbones/structbert.py
+++ b/modelscope/models/nlp/backbones/structbert.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from modelscope.metainfo import Models
 from modelscope.models.base import TorchModel
 from modelscope.models.builder import BACKBONES
diff --git a/modelscope/models/nlp/bart_for_text_error_correction.py b/modelscope/models/nlp/bart_for_text_error_correction.py
index 2339f221..27abedb5 100644
--- a/modelscope/models/nlp/bart_for_text_error_correction.py
+++ b/modelscope/models/nlp/bart_for_text_error_correction.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 import os.path as osp
 from typing import Any, Dict
 
diff --git a/modelscope/models/nlp/bert_for_sequence_classification.py b/modelscope/models/nlp/bert_for_sequence_classification.py
index 75105f36..2b1a3b3b 100644
--- a/modelscope/models/nlp/bert_for_sequence_classification.py
+++ b/modelscope/models/nlp/bert_for_sequence_classification.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 import os
 from typing import Any, Dict
 
diff --git a/modelscope/models/nlp/csanmt_for_translation.py b/modelscope/models/nlp/csanmt_for_translation.py
index 83b58060..4bac8e6d 100644
--- a/modelscope/models/nlp/csanmt_for_translation.py
+++ b/modelscope/models/nlp/csanmt_for_translation.py
@@ -1,3 +1,6 @@
+# Part of the implementation is borrowed and modified from THUMT,
+# publicly available at https://github.com/THUNLP-MT/THUMT
+# Copyright 2017-2022 The Alibaba MT Team Authors. All rights reserved.
 import math
 from collections import namedtuple
 from typing import Dict
diff --git a/modelscope/models/nlp/gpt3/gpt3_for_text_generation.py b/modelscope/models/nlp/gpt3/gpt3_for_text_generation.py
index fe1402e8..d686ea30 100644
--- a/modelscope/models/nlp/gpt3/gpt3_for_text_generation.py
+++ b/modelscope/models/nlp/gpt3/gpt3_for_text_generation.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Dict
 
 from modelscope.metainfo import Models
diff --git a/modelscope/models/nlp/gpt3/modeling_gpt3.py b/modelscope/models/nlp/gpt3/modeling_gpt3.py
index 69e9ba7c..498d15de 100644
--- a/modelscope/models/nlp/gpt3/modeling_gpt3.py
+++ b/modelscope/models/nlp/gpt3/modeling_gpt3.py
@@ -1,3 +1,4 @@
+# Copyright 2021-2022 The Alibaba DAMO NLP Team Authors.
 # Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/modelscope/models/nlp/heads/infromation_extraction_head.py b/modelscope/models/nlp/heads/infromation_extraction_head.py
index cf957834..6c3388f0 100644
--- a/modelscope/models/nlp/heads/infromation_extraction_head.py
+++ b/modelscope/models/nlp/heads/infromation_extraction_head.py
@@ -1,13 +1,10 @@
-from typing import Dict
-
+# Copyright (c) Alibaba, Inc. and its affiliates.
 import torch
-import torch.nn.functional as F
 from torch import nn
 
 from modelscope.metainfo import Heads
 from modelscope.models.base import TorchHead
 from modelscope.models.builder import HEADS
-from modelscope.outputs import OutputKeys
 from modelscope.utils.constant import Tasks
 
 
diff --git a/modelscope/models/nlp/heads/sequence_classification_head.py b/modelscope/models/nlp/heads/sequence_classification_head.py
index e608f035..fb03b7ff 100644
--- a/modelscope/models/nlp/heads/sequence_classification_head.py
+++ b/modelscope/models/nlp/heads/sequence_classification_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Dict
 
 import torch
diff --git a/modelscope/models/nlp/heads/token_classification_head.py b/modelscope/models/nlp/heads/token_classification_head.py
index 481524ae..ace3deac 100644
--- a/modelscope/models/nlp/heads/token_classification_head.py
+++ b/modelscope/models/nlp/heads/token_classification_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Dict
 
 import torch
diff --git a/modelscope/models/nlp/heads/torch_pretrain_head.py b/modelscope/models/nlp/heads/torch_pretrain_head.py
index 6ff6c96f..fb54637b 100644
--- a/modelscope/models/nlp/heads/torch_pretrain_head.py
+++ b/modelscope/models/nlp/heads/torch_pretrain_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Dict
 
 import torch
diff --git a/modelscope/models/nlp/masked_language.py b/modelscope/models/nlp/masked_language.py
index 4f466c23..514a04cd 100644
--- a/modelscope/models/nlp/masked_language.py
+++ b/modelscope/models/nlp/masked_language.py
@@ -1,6 +1,5 @@
-from typing import Any, Dict, Optional, Union
+# Copyright (c) Alibaba, Inc. and its affiliates.
 
-import numpy as np
 from transformers import BertForMaskedLM as BertForMaskedLMTransformer
 
 from modelscope.metainfo import Models
diff --git a/modelscope/models/nlp/nncrf_for_named_entity_recognition.py b/modelscope/models/nlp/nncrf_for_named_entity_recognition.py
index 37216510..62198ed2 100644
--- a/modelscope/models/nlp/nncrf_for_named_entity_recognition.py
+++ b/modelscope/models/nlp/nncrf_for_named_entity_recognition.py
@@ -1,3 +1,7 @@
+# Copyright 2021-2022 The Alibaba DAMO NLP Team Authors. All rights reserved.
+# The CRF implementation borrows mostly from AllenNLP CRF module (https://github.com/allenai/allennlp)
+# and pytorch-crf (https://github.com/kmkurn/pytorch-crf) with some modifications.
+
 import os
 from typing import Any, Dict, List, Optional
 
@@ -208,8 +212,6 @@ class CRF(nn.Module):
        Learning*. Morgan Kaufmann. pp. 282–289.
     .. _Viterbi algorithm: https://en.wikipedia.org/wiki/Viterbi_algorithm
 
-    The implementation borrows mostly from AllenNLP CRF module (https://github.com/allenai/allennlp)
-    and pytorch-crf (https://github.com/kmkurn/pytorch-crf) with some modifications.
     """
 
     def __init__(self, num_tags: int, batch_first: bool = False) -> None:
diff --git a/modelscope/models/nlp/palm_v2/modeling_palm.py b/modelscope/models/nlp/palm_v2/modeling_palm.py
index 99b00454..f395ebd4 100644
--- a/modelscope/models/nlp/palm_v2/modeling_palm.py
+++ b/modelscope/models/nlp/palm_v2/modeling_palm.py
@@ -1,3 +1,19 @@
+# Copyright 2021-2022 The Alibaba DAMO NLP Team Authors.
+# Copyright 2018 The Google AI Language Team Authors and The HugginFace Inc. team.
+# Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import codecs
 import copy
 import math
diff --git a/modelscope/models/nlp/palm_v2/palm_for_text_generation.py b/modelscope/models/nlp/palm_v2/palm_for_text_generation.py
index ae92427e..2c37afd6 100644
--- a/modelscope/models/nlp/palm_v2/palm_for_text_generation.py
+++ b/modelscope/models/nlp/palm_v2/palm_for_text_generation.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Dict, List
 
 from modelscope.metainfo import Models
diff --git a/modelscope/models/nlp/passage_ranking.py b/modelscope/models/nlp/passage_ranking.py
index 68bca231..2a06ce45 100644
--- a/modelscope/models/nlp/passage_ranking.py
+++ b/modelscope/models/nlp/passage_ranking.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict
 
 import numpy as np
diff --git a/modelscope/models/nlp/sentence_embedding.py b/modelscope/models/nlp/sentence_embedding.py
index 955c0e53..340c133f 100644
--- a/modelscope/models/nlp/sentence_embedding.py
+++ b/modelscope/models/nlp/sentence_embedding.py
@@ -1,7 +1,7 @@
-import os
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict
 
-import json
 import numpy as np
 
 from modelscope.metainfo import Models
diff --git a/modelscope/models/nlp/sequence_classification.py b/modelscope/models/nlp/sequence_classification.py
index e8802dbd..a8930e68 100644
--- a/modelscope/models/nlp/sequence_classification.py
+++ b/modelscope/models/nlp/sequence_classification.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from abc import abstractmethod
 
 from torch import nn
diff --git a/modelscope/models/nlp/task_models/information_extraction.py b/modelscope/models/nlp/task_models/information_extraction.py
index 20a44787..4792d07c 100644
--- a/modelscope/models/nlp/task_models/information_extraction.py
+++ b/modelscope/models/nlp/task_models/information_extraction.py
@@ -1,7 +1,7 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Any, Dict
 
 import numpy as np
-import torch
 
 from modelscope.metainfo import TaskModels
 from modelscope.models.builder import MODELS
@@ -9,9 +9,6 @@ from modelscope.models.nlp.task_models.task_model import \
     SingleBackboneTaskModelBase
 from modelscope.outputs import OutputKeys
 from modelscope.utils.constant import Tasks
-from modelscope.utils.hub import parse_label_mapping
-from modelscope.utils.tensor_utils import (torch_nested_detach,
-                                           torch_nested_numpify)
 
 __all__ = ['InformationExtractionModel']
 
diff --git a/modelscope/models/nlp/task_models/sequence_classification.py b/modelscope/models/nlp/task_models/sequence_classification.py
index 80bfd476..43a96327 100644
--- a/modelscope/models/nlp/task_models/sequence_classification.py
+++ b/modelscope/models/nlp/task_models/sequence_classification.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 import os
 from typing import Any, Dict
 
diff --git a/modelscope/models/nlp/task_models/task_model.py b/modelscope/models/nlp/task_models/task_model.py
index 104b4c32..e93dd5f6 100644
--- a/modelscope/models/nlp/task_models/task_model.py
+++ b/modelscope/models/nlp/task_models/task_model.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 import os.path
 import re
 from abc import ABC
diff --git a/modelscope/models/nlp/task_models/token_classification.py b/modelscope/models/nlp/task_models/token_classification.py
index 29679838..5c22098f 100644
--- a/modelscope/models/nlp/task_models/token_classification.py
+++ b/modelscope/models/nlp/task_models/token_classification.py
@@ -1,3 +1,4 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
 from typing import Any, Dict
 
 import numpy as np
diff --git a/modelscope/models/nlp/token_classification.py b/modelscope/models/nlp/token_classification.py
index 0be921d0..c3723a61 100644
--- a/modelscope/models/nlp/token_classification.py
+++ b/modelscope/models/nlp/token_classification.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from abc import abstractmethod
 from typing import Dict
 
diff --git a/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py b/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
index 0d2c96d7..79d32ace 100644
--- a/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
+++ b/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Union
 
 from modelscope.metainfo import Pipelines
diff --git a/modelscope/pipelines/nlp/distributed_plug_pipeline.py b/modelscope/pipelines/nlp/distributed_plug_pipeline.py
index 202e6213..e5c05e86 100644
--- a/modelscope/pipelines/nlp/distributed_plug_pipeline.py
+++ b/modelscope/pipelines/nlp/distributed_plug_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict
 
 import torch
diff --git a/modelscope/pipelines/nlp/faq_question_answering_pipeline.py b/modelscope/pipelines/nlp/faq_question_answering_pipeline.py
index 65831a17..1d46d8fd 100644
--- a/modelscope/pipelines/nlp/faq_question_answering_pipeline.py
+++ b/modelscope/pipelines/nlp/faq_question_answering_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/fill_mask_pipeline.py b/modelscope/pipelines/nlp/fill_mask_pipeline.py
index db6b61c6..12f4b80f 100644
--- a/modelscope/pipelines/nlp/fill_mask_pipeline.py
+++ b/modelscope/pipelines/nlp/fill_mask_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os
 from typing import Any, Dict, Optional, Union
 
diff --git a/modelscope/pipelines/nlp/information_extraction_pipeline.py b/modelscope/pipelines/nlp/information_extraction_pipeline.py
index 4cb138d6..07223d07 100644
--- a/modelscope/pipelines/nlp/information_extraction_pipeline.py
+++ b/modelscope/pipelines/nlp/information_extraction_pipeline.py
@@ -1,11 +1,12 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
 
 from modelscope.metainfo import Pipelines
 from modelscope.models import Model
-from modelscope.outputs import OutputKeys
-from modelscope.pipelines.base import Pipeline, Tensor
+from modelscope.pipelines.base import Pipeline
 from modelscope.pipelines.builder import PIPELINES
 from modelscope.preprocessors import (Preprocessor,
                                       RelationExtractionPreprocessor)
diff --git a/modelscope/pipelines/nlp/named_entity_recognition_pipeline.py b/modelscope/pipelines/nlp/named_entity_recognition_pipeline.py
index 8fbdde86..467d7aba 100644
--- a/modelscope/pipelines/nlp/named_entity_recognition_pipeline.py
+++ b/modelscope/pipelines/nlp/named_entity_recognition_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/pair_sentence_classification_pipeline.py b/modelscope/pipelines/nlp/pair_sentence_classification_pipeline.py
index 5248db8c..bdb75c73 100644
--- a/modelscope/pipelines/nlp/pair_sentence_classification_pipeline.py
+++ b/modelscope/pipelines/nlp/pair_sentence_classification_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Union
 
 from modelscope.models.base import Model
diff --git a/modelscope/pipelines/nlp/passage_ranking_pipeline.py b/modelscope/pipelines/nlp/passage_ranking_pipeline.py
index c03e7b93..1d818ac0 100644
--- a/modelscope/pipelines/nlp/passage_ranking_pipeline.py
+++ b/modelscope/pipelines/nlp/passage_ranking_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/sentence_embedding_pipeline.py b/modelscope/pipelines/nlp/sentence_embedding_pipeline.py
index 3ef6d06b..16dedb2e 100644
--- a/modelscope/pipelines/nlp/sentence_embedding_pipeline.py
+++ b/modelscope/pipelines/nlp/sentence_embedding_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/sequence_classification_pipeline_base.py b/modelscope/pipelines/nlp/sequence_classification_pipeline_base.py
index 28bbc732..3d8e8fea 100644
--- a/modelscope/pipelines/nlp/sequence_classification_pipeline_base.py
+++ b/modelscope/pipelines/nlp/sequence_classification_pipeline_base.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Union
 
 import numpy as np
diff --git a/modelscope/pipelines/nlp/single_sentence_classification_pipeline.py b/modelscope/pipelines/nlp/single_sentence_classification_pipeline.py
index 844c6839..0a2f6d25 100644
--- a/modelscope/pipelines/nlp/single_sentence_classification_pipeline.py
+++ b/modelscope/pipelines/nlp/single_sentence_classification_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Union
 
 from ...metainfo import Pipelines
diff --git a/modelscope/pipelines/nlp/text_error_correction_pipeline.py b/modelscope/pipelines/nlp/text_error_correction_pipeline.py
index b63d8d36..8e9bf85d 100644
--- a/modelscope/pipelines/nlp/text_error_correction_pipeline.py
+++ b/modelscope/pipelines/nlp/text_error_correction_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/text_generation_pipeline.py b/modelscope/pipelines/nlp/text_generation_pipeline.py
index 3d27ffa9..ea35763f 100644
--- a/modelscope/pipelines/nlp/text_generation_pipeline.py
+++ b/modelscope/pipelines/nlp/text_generation_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/token_classification_pipeline.py b/modelscope/pipelines/nlp/token_classification_pipeline.py
index 804f8146..aabf48d8 100644
--- a/modelscope/pipelines/nlp/token_classification_pipeline.py
+++ b/modelscope/pipelines/nlp/token_classification_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/translation_pipeline.py b/modelscope/pipelines/nlp/translation_pipeline.py
index e4893577..eb7f7f74 100644
--- a/modelscope/pipelines/nlp/translation_pipeline.py
+++ b/modelscope/pipelines/nlp/translation_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os.path as osp
 from typing import Any, Dict
 
diff --git a/modelscope/pipelines/nlp/word_segmentation_pipeline.py b/modelscope/pipelines/nlp/word_segmentation_pipeline.py
index 7e8b22bc..9d4bb67f 100644
--- a/modelscope/pipelines/nlp/word_segmentation_pipeline.py
+++ b/modelscope/pipelines/nlp/word_segmentation_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Optional, Union
 
 import torch
diff --git a/modelscope/pipelines/nlp/zero_shot_classification_pipeline.py b/modelscope/pipelines/nlp/zero_shot_classification_pipeline.py
index 38c0ee77..fc7051c7 100644
--- a/modelscope/pipelines/nlp/zero_shot_classification_pipeline.py
+++ b/modelscope/pipelines/nlp/zero_shot_classification_pipeline.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 from typing import Any, Dict, Union
 
 import torch
diff --git a/modelscope/preprocessors/__init__.py b/modelscope/preprocessors/__init__.py
index e37b3324..b4be1845 100644
--- a/modelscope/preprocessors/__init__.py
+++ b/modelscope/preprocessors/__init__.py
@@ -24,7 +24,8 @@ if TYPE_CHECKING:
         TextErrorCorrectionPreprocessor, FaqQuestionAnsweringPreprocessor,
         SequenceLabelingPreprocessor, RelationExtractionPreprocessor,
         DocumentSegmentationPreprocessor, FillMaskPoNetPreprocessor,
-        PassageRankingPreprocessor, Text2TextGenerationPreprocessor,
+        PassageRankingPreprocessor, SentenceEmbeddingPreprocessor,
+        Text2TextGenerationPreprocessor,
         WordSegmentationBlankSetToLabelPreprocessor)
     from .space import (DialogIntentPredictionPreprocessor,
                         DialogModelingPreprocessor,
diff --git a/modelscope/preprocessors/nlp/__init__.py b/modelscope/preprocessors/nlp/__init__.py
index f305df27..8e75ae98 100644
--- a/modelscope/preprocessors/nlp/__init__.py
+++ b/modelscope/preprocessors/nlp/__init__.py
@@ -15,6 +15,7 @@ if TYPE_CHECKING:
         FaqQuestionAnsweringPreprocessor, SequenceLabelingPreprocessor,
         RelationExtractionPreprocessor, DocumentSegmentationPreprocessor,
         FillMaskPoNetPreprocessor, PassageRankingPreprocessor,
+        SentenceEmbeddingPreprocessor,
         WordSegmentationBlankSetToLabelPreprocessor)
 
 else:
diff --git a/modelscope/preprocessors/nlp/nlp_base.py b/modelscope/preprocessors/nlp/nlp_base.py
index d294f517..d6325eed 100644
--- a/modelscope/preprocessors/nlp/nlp_base.py
+++ b/modelscope/preprocessors/nlp/nlp_base.py
@@ -23,16 +23,24 @@ from modelscope.utils.type_assert import type_assert
 logger = get_logger()
 
 __all__ = [
-    'Tokenize', 'SequenceClassificationPreprocessor',
-    'TextGenerationPreprocessor', 'TokenClassificationPreprocessor',
+    'Tokenize',
+    'SequenceClassificationPreprocessor',
+    'TextGenerationPreprocessor',
+    'TokenClassificationPreprocessor',
     'PairSentenceClassificationPreprocessor',
     'Text2TextGenerationPreprocessor',
-    'SingleSentenceClassificationPreprocessor', 'FillMaskPreprocessor',
-    'ZeroShotClassificationPreprocessor', 'NERPreprocessor',
-    'SentenceEmbeddingPreprocessor', 'PassageRankingPreprocessor',
-    'FaqQuestionAnsweringPreprocessor', 'SequenceLabelingPreprocessor',
-    'RelationExtractionPreprocessor', 'DocumentSegmentationPreprocessor',
-    'FillMaskPoNetPreprocessor'
+    'SingleSentenceClassificationPreprocessor',
+    'FillMaskPreprocessor',
+    'ZeroShotClassificationPreprocessor',
+    'NERPreprocessor',
+    'SentenceEmbeddingPreprocessor',
+    'PassageRankingPreprocessor',
+    'FaqQuestionAnsweringPreprocessor',
+    'SequenceLabelingPreprocessor',
+    'RelationExtractionPreprocessor',
+    'DocumentSegmentationPreprocessor',
+    'FillMaskPoNetPreprocessor',
+    'WordSegmentationBlankSetToLabelPreprocessor',
 ]
 
 
diff --git a/modelscope/trainers/nlp/csanmt_translation_trainer.py b/modelscope/trainers/nlp/csanmt_translation_trainer.py
index 62ae91a8..c93599c7 100644
--- a/modelscope/trainers/nlp/csanmt_translation_trainer.py
+++ b/modelscope/trainers/nlp/csanmt_translation_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os.path as osp
 from typing import Dict, Optional
 
diff --git a/modelscope/trainers/nlp/passage_ranking_trainer.py b/modelscope/trainers/nlp/passage_ranking_trainer.py
index e54c2904..711fd0c4 100644
--- a/modelscope/trainers/nlp/passage_ranking_trainer.py
+++ b/modelscope/trainers/nlp/passage_ranking_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import time
 from dataclasses import dataclass
 from typing import Any, Callable, Dict, List, Optional, Tuple, Union
diff --git a/modelscope/trainers/nlp/sequence_classification_trainer.py b/modelscope/trainers/nlp/sequence_classification_trainer.py
index 64fd59b4..ec46e037 100644
--- a/modelscope/trainers/nlp/sequence_classification_trainer.py
+++ b/modelscope/trainers/nlp/sequence_classification_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import time
 from typing import Dict, Optional, Tuple, Union
 
diff --git a/modelscope/trainers/nlp/space/dialog_intent_trainer.py b/modelscope/trainers/nlp/space/dialog_intent_trainer.py
index c559ee5b..2e59cd80 100644
--- a/modelscope/trainers/nlp/space/dialog_intent_trainer.py
+++ b/modelscope/trainers/nlp/space/dialog_intent_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os
 import time
 from typing import Callable, Dict, Optional, Tuple, Union
diff --git a/modelscope/trainers/nlp/space/dialog_modeling_trainer.py b/modelscope/trainers/nlp/space/dialog_modeling_trainer.py
index 6bdd8a3a..726404d4 100644
--- a/modelscope/trainers/nlp/space/dialog_modeling_trainer.py
+++ b/modelscope/trainers/nlp/space/dialog_modeling_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os
 import time
 from typing import Callable, Dict, Optional, Tuple, Union
diff --git a/modelscope/trainers/nlp/space/metrics/metrics_tracker.py b/modelscope/trainers/nlp/space/metrics/metrics_tracker.py
index 865600d3..340077a6 100644
--- a/modelscope/trainers/nlp/space/metrics/metrics_tracker.py
+++ b/modelscope/trainers/nlp/space/metrics/metrics_tracker.py
@@ -1,6 +1,4 @@
-"""
-MetricsTracker class
-"""
+# Copyright (c) Alibaba, Inc. and its affiliates.
 
 import math
 from collections import defaultdict
diff --git a/modelscope/trainers/nlp_trainer.py b/modelscope/trainers/nlp_trainer.py
index 4a14be31..b54aa666 100644
--- a/modelscope/trainers/nlp_trainer.py
+++ b/modelscope/trainers/nlp_trainer.py
@@ -1,3 +1,5 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
 import os
 from typing import Callable, Optional, Tuple, Union