diff --git a/modelscope/models/nlp/sbert_for_sentiment_classification.py b/modelscope/models/nlp/sbert_for_sentiment_classification.py
index 00ec8b73..73143077 100644
--- a/modelscope/models/nlp/sbert_for_sentiment_classification.py
+++ b/modelscope/models/nlp/sbert_for_sentiment_classification.py
@@ -16,8 +16,6 @@ class SbertForSentimentClassification(SbertForSequenceClassificationBase):
 
         Args:
             model_dir (str): the model path.
-            model_cls (Optional[Any], optional): model loader, if None, use the
-                default loader to load model weights, by default None.
         """
         super().__init__(
             model_dir, *args, model_args={'num_labels': 2}, **kwargs)