diff --git a/modelscope/preprocessors/nlp.py b/modelscope/preprocessors/nlp.py
index 0904fdcf..b1344abb 100644
--- a/modelscope/preprocessors/nlp.py
+++ b/modelscope/preprocessors/nlp.py
@@ -12,7 +12,8 @@ from .builder import PREPROCESSORS
 
 __all__ = [
     'Tokenize', 'SequenceClassificationPreprocessor',
-    'TextGenerationPreprocessor'
+    'TextGenerationPreprocessor',
+    "ZeroShotClassificationPreprocessor"
 ]