diff --git a/modelscope/models/nlp/masked_language_model.py b/modelscope/models/nlp/masked_language_model.py
index 76677040..cb12a4dd 100644
--- a/modelscope/models/nlp/masked_language_model.py
+++ b/modelscope/models/nlp/masked_language_model.py
@@ -1,14 +1,16 @@
 from typing import Any, Dict, Optional, Union
 
 import numpy as np
+
+from ...utils.constant import Tasks
 from ..base import Model, Tensor
 from ..builder import MODELS
-from ...utils.constant import Tasks
 
 __all__ = ['MaskedLanguageModel']
 
 
 @MODELS.register_module(Tasks.fill_mask, module_name=r'sbert')
+@MODELS.register_module(Tasks.fill_mask, module_name=r'veco')
 class MaskedLanguageModel(Model):
 
     def __init__(self, model_dir: str, *args, **kwargs):
@@ -17,8 +19,8 @@ class MaskedLanguageModel(Model):
         super().__init__(model_dir, *args, **kwargs)
 
         self.config = AutoConfig.from_pretrained(model_dir)
-        self.model = AutoModelForMaskedLM.from_pretrained(model_dir, config=self.config)
-
+        self.model = AutoModelForMaskedLM.from_pretrained(
+            model_dir, config=self.config)
 
     def forward(self, inputs: Dict[str, Tensor]) -> Dict[str, np.ndarray]:
         """return the result by the model
@@ -35,9 +37,8 @@ class MaskedLanguageModel(Model):
                         'logits': array([[-0.53860897,  1.5029076 ]], dtype=float32) # true value
                     }
         """
-        rst =  self.model(
-                          input_ids=inputs["input_ids"],
-                          attention_mask=inputs['attention_mask'],
-                          token_type_ids=inputs["token_type_ids"]
-                         )
+        rst = self.model(
+            input_ids=inputs['input_ids'],
+            attention_mask=inputs['attention_mask'],
+            token_type_ids=inputs['token_type_ids'])
         return {'logits': rst['logits'], 'input_ids': inputs['input_ids']}
diff --git a/modelscope/pipelines/builder.py b/modelscope/pipelines/builder.py
index 38172c99..dc7b6aa6 100644
--- a/modelscope/pipelines/builder.py
+++ b/modelscope/pipelines/builder.py
@@ -24,8 +24,8 @@ DEFAULT_MODEL_FOR_PIPELINE = {
     Tasks.image_generation:
     ('person-image-cartoon',
      'damo/cv_unet_person-image-cartoon_compound-models'),
-    Tasks.fill_mask:
-    ('sbert')
+    Tasks.fill_mask: ('sbert', 'damo/nlp_structbert_fill-mask_chinese-large'),
+    Tasks.fill_mask: ('veco', 'damo/nlp_veco_fill-mask_large')
 }
 
 
diff --git a/modelscope/pipelines/nlp/fill_mask_pipeline.py b/modelscope/pipelines/nlp/fill_mask_pipeline.py
index ac22cf3b..aebf4e09 100644
--- a/modelscope/pipelines/nlp/fill_mask_pipeline.py
+++ b/modelscope/pipelines/nlp/fill_mask_pipeline.py
@@ -10,6 +10,7 @@ __all__ = ['FillMaskPipeline']
 
 
 @PIPELINES.register_module(Tasks.fill_mask, module_name=r'sbert')
+@PIPELINES.register_module(Tasks.fill_mask, module_name=r'veco')
 class FillMaskPipeline(Pipeline):
 
     def __init__(self, model: MaskedLanguageModel,
@@ -36,22 +37,28 @@ class FillMaskPipeline(Pipeline):
             Dict[str, str]: the prediction results
         """
         import numpy as np
-        logits = inputs["logits"].detach().numpy()
-        input_ids = inputs["input_ids"].detach().numpy()
+        logits = inputs['logits'].detach().numpy()
+        input_ids = inputs['input_ids'].detach().numpy()
         pred_ids = np.argmax(logits, axis=-1)
-        rst_ids = np.where(input_ids==self.mask_id[self.model.config.model_type], pred_ids, input_ids)
+        rst_ids = np.where(
+            input_ids == self.mask_id[self.model.config.model_type], pred_ids,
+            input_ids)
         pred_strings = []
         for ids in rst_ids:
             if self.model.config.model_type == 'veco':
-                pred_string = self.tokenizer.decode(ids).split('</s>')[0].replace("<s>", "").replace("</s>", "").replace("<pad>", "")
-            elif self.model.config.vocab_size == 21128: # zh bert
+                pred_string = self.tokenizer.decode(ids).split(
+                    '</s>')[0].replace('<s>',
+                                       '').replace('</s>',
+                                                   '').replace('<pad>', '')
+            elif self.model.config.vocab_size == 21128:  # zh bert
                 pred_string = self.tokenizer.convert_ids_to_tokens(ids)
-                pred_string = ''.join(pred_string).replace('##','')
-                pred_string = pred_string.split('[SEP]')[0].replace('[CLS]', '').replace('[SEP]', '').replace('[UNK]', '')
-            else:   ## en bert
+                pred_string = ''.join(pred_string).replace('##', '')
+                pred_string = pred_string.split('[SEP]')[0].replace(
+                    '[CLS]', '').replace('[SEP]', '').replace('[UNK]', '')
+            else:  ## en bert
                 pred_string = self.tokenizer.decode(ids)
-                pred_string = pred_string.split('[SEP]')[0].replace('[CLS]', '').replace('[SEP]', '').replace('[UNK]', '')
+                pred_string = pred_string.split('[SEP]')[0].replace(
+                    '[CLS]', '').replace('[SEP]', '').replace('[UNK]', '')
             pred_strings.append(pred_string)
 
-        return {'pred_string': pred_strings} 
-
+        return {'pred_string': pred_strings}
diff --git a/tests/pipelines/test_fill_mask.py b/tests/pipelines/test_fill_mask.py
index 12f7ff3b..8b021c03 100644
--- a/tests/pipelines/test_fill_mask.py
+++ b/tests/pipelines/test_fill_mask.py
@@ -5,24 +5,41 @@ import unittest
 
 from maas_hub.snapshot_download import snapshot_download
 
+from modelscope.models import Model
 from modelscope.models.nlp import MaskedLanguageModel
 from modelscope.pipelines import FillMaskPipeline, pipeline
 from modelscope.preprocessors import FillMaskPreprocessor
 from modelscope.utils.constant import Tasks
-from modelscope.models import Model
 from modelscope.utils.hub import get_model_cache_dir
 from modelscope.utils.test_utils import test_level
 
+
 class FillMaskTest(unittest.TestCase):
-    model_id_sbert = {'zh': 'damo/nlp_structbert_fill-mask-chinese_large',
-                      'en': 'damo/nlp_structbert_fill-mask-english_large'}
+    model_id_sbert = {
+        'zh': 'damo/nlp_structbert_fill-mask-chinese_large',
+        'en': 'damo/nlp_structbert_fill-mask-english_large'
+    }
     model_id_veco = 'damo/nlp_veco_fill-mask_large'
 
-    ori_texts = {"zh": "段誉轻挥折扇，摇了摇头，说道：“你师父是你的师父，你师父可不是我的师父。你师父差得动你，你师父可差不动我。",
-                 "en": "Everything in what you call reality is really just a reflection of your consciousness. Your whole universe is just a mirror reflection of your story."}
+    ori_texts = {
+        'zh':
+        f'段誉轻挥折扇，摇了摇头，说道：“你师父是你的师父，你师父可不是我的师父。'
+        f'你师父差得动你，你师父可差不动我。',
+        'en':
+        f'Everything in what you call reality is really just a r'
+        f'eflection of your consciousness. Your whole universe is'
+        f'just a mirror reflection of your story.'
+    }
 
-    test_inputs = {"zh": "段誉轻[MASK]折扇，摇了摇[MASK]，[MASK]道：“你师父是你的[MASK][MASK]，你师父可不是[MASK]的师父。你师父差得动你，你师父可[MASK]不动我。",
-                  "en": "Everything in [MASK] you call reality is really [MASK] a reflection of your [MASK]. Your whole universe is just a mirror [MASK] of your story."}
+    test_inputs = {
+        'zh':
+        f'段誉轻[MASK]折扇，摇了摇[MASK]，[MASK]道：“你师父是你的[MASK][MASK]'
+        f'，你师父可不是[MASK]的师父。你师父差得动你，你师父可[MASK]不动我。',
+        'en':
+        f'Everything in [MASK] you call reality is really [MASK] a '
+        f'reflection of your [MASK]. Your whole universe is just a '
+        f'mirror [MASK] of your story.'
+    }
 
     #def test_run(self):
     #    # sbert
@@ -37,51 +54,52 @@ class FillMaskTest(unittest.TestCase):
     #        ori_text = self.ori_texts[language]
     #        test_input = self.test_inputs[language]
     #        print(
-    #            f'ori_text: {ori_text}\ninput: {test_input}\npipeline1: {pipeline1(test_input)}\npipeline2: {pipeline2(test_input)}'
+    #            f'ori_text: {ori_text}\ninput: {test_input}\npipeline1: '
+    #            f'{pipeline1(test_input)}\npipeline2: {pipeline2(test_input)}'
     #        )
 
-        ## veco
-        #model_dir = snapshot_download(self.model_id_veco)
-        #preprocessor = FillMaskPreprocessor(
-        #    model_dir, first_sequence='sentence', second_sequence=None)
-        #model = MaskedLanguageModel(model_dir)
-        #pipeline1 = FillMaskPipeline(model, preprocessor)
-        #pipeline2 = pipeline(
-        #    Tasks.fill_mask, model=model, preprocessor=preprocessor)
-        #for language in ["zh", "en"]:
-        #    ori_text = self.ori_texts[language]
-        #    test_input = self.test_inputs["zh"].replace("[MASK]", "<mask>")
-        #    print(
-        #        f'ori_text: {ori_text}\ninput: {test_input}\npipeline1: {pipeline1(test_input)}\npipeline2: {pipeline2(test_input)}'
-
+    ## veco
+    #model_dir = snapshot_download(self.model_id_veco)
+    #preprocessor = FillMaskPreprocessor(
+    #    model_dir, first_sequence='sentence', second_sequence=None)
+    #model = MaskedLanguageModel(model_dir)
+    #pipeline1 = FillMaskPipeline(model, preprocessor)
+    #pipeline2 = pipeline(
+    #    Tasks.fill_mask, model=model, preprocessor=preprocessor)
+    #for language in ["zh", "en"]:
+    #    ori_text = self.ori_texts[language]
+    #    test_input = self.test_inputs["zh"].replace("[MASK]", "<mask>")
+    #    print(
+    #        f'ori_text: {ori_text}\ninput: {test_input}\npipeline1: '
+    #        f'{pipeline1(test_input)}\npipeline2: {pipeline2(test_input)}'
 
     def test_run_with_model_from_modelhub(self):
-        for language in ["zh"]:
+        for language in ['zh']:
             print(self.model_id_sbert[language])
             model = Model.from_pretrained(self.model_id_sbert[language])
-            print("model", model.model_dir)
+            print('model', model.model_dir)
             preprocessor = FillMaskPreprocessor(
-                model.model_dir, first_sequence='sentence', second_sequence=None)
+                model.model_dir,
+                first_sequence='sentence',
+                second_sequence=None)
             pipeline_ins = pipeline(
-                task=Tasks.fill_mask, model=model,  preprocessor=preprocessor)
-            print(pipeline_ins(self_test_inputs[language]))
-
+                task=Tasks.fill_mask, model=model, preprocessor=preprocessor)
+            print(pipeline_ins(self.test_inputs[language]))
 
     #def test_run_with_model_name(self):
-        ## veco
-        #pipeline_ins = pipeline(
-        #    task=Tasks.fill_mask, model=self.model_id_veco)
-        #for language in ["zh", "en"]:
-        #    input_ = self.test_inputs[language].replace("[MASK]", "<mask>")
-        #    print(pipeline_ins(input_))
+    ## veco
+    #pipeline_ins = pipeline(
+    #    task=Tasks.fill_mask, model=self.model_id_veco)
+    #for language in ["zh", "en"]:
+    #    input_ = self.test_inputs[language].replace("[MASK]", "<mask>")
+    #    print(pipeline_ins(input_))
 
-        ## structBert
-        #for language in ["zh"]:
-        #    pipeline_ins = pipeline(
-        #        task=Tasks.fill_mask, model=self.model_id_sbert[language])
-        #    print(pipeline_ins(self_test_inputs[language]))
+    ## structBert
+    #for language in ["zh"]:
+    #    pipeline_ins = pipeline(
+    #        task=Tasks.fill_mask, model=self.model_id_sbert[language])
+    #    print(pipeline_ins(self_test_inputs[language]))
 
 
 if __name__ == '__main__':
     unittest.main()
-