diff --git a/modelscope/metainfo.py b/modelscope/metainfo.py
index 63af2ec4..78cc9219 100644
--- a/modelscope/metainfo.py
+++ b/modelscope/metainfo.py
@@ -45,6 +45,7 @@ class Pipelines(object):
     word_segmentation = 'word-segmentation'
     text_generation = 'text-generation'
     sentiment_analysis = 'sentiment-analysis'
+    fill_mask = 'fill-mask'
 
     # audio tasks
     sambert_hifigan_16k_tts = 'sambert-hifigan-16k-tts'
diff --git a/modelscope/pipelines/nlp/fill_mask_pipeline.py b/modelscope/pipelines/nlp/fill_mask_pipeline.py
index 291b1cdf..863d9a6d 100644
--- a/modelscope/pipelines/nlp/fill_mask_pipeline.py
+++ b/modelscope/pipelines/nlp/fill_mask_pipeline.py
@@ -1,5 +1,6 @@
 from typing import Dict, Optional, Union
 
+from modelscope.metainfo import Pipelines
 from modelscope.models import Model
 from modelscope.models.nlp.masked_language_model import \
     AliceMindBaseForMaskedLM
@@ -11,7 +12,7 @@ from ..builder import PIPELINES
 __all__ = ['FillMaskPipeline']
 
 
-@PIPELINES.register_module(Tasks.fill_mask, module_name=r'fill_mask')
+@PIPELINES.register_module(Tasks.fill_mask, module_name=Pipelines.fill_mask)
 class FillMaskPipeline(Pipeline):
 
     def __init__(self,