diff --git a/README.md b/README.md
index 0c5d656..bd578d1 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,9 @@ Create the operator via the following factory method:
 The model name in string, defaults to None.
 If None, the operator will be initialized without specified model.
 
-Supported model names: refer to `supported_model_names` below. 
+Supported model names: NLP transformers models listed in [Huggingface Models](https://huggingface.co/models).
+Please note that only models listed in `supported_model_names` are tested.
+You can refer to [Towhee Pipeline]() for benchmark.
 
 ***checkpoint_path***: *str*
 
diff --git a/auto_transformers.py b/auto_transformers.py
index bf278d7..b91d264 100644
--- a/auto_transformers.py
+++ b/auto_transformers.py
@@ -73,19 +73,19 @@ class AutoTransformers(NNOperator):
         else:
             self.device = 'cuda' if torch.cuda.is_available() else 'cpu'
         self.model_name = self.map_model_names(model_name)
-        if tokenizer:
-            self.tokenizer = tokenizer
-        else:
-            self.tokenizer = AutoTokenizer.from_pretrained(self.model_name)
-        if not self.tokenizer.pad_token:
-            self.tokenizer.pad_token = '[PAD]'
         self.norm = norm
         self.checkpoint_path = checkpoint_path
 
         if self.model_name:
-            model_list = self.supported_model_names()
+            # model_list = self.supported_model_names()
             # assert model_name in model_list, f"Invalid model name: {model_name}. Supported model names: {model_list}"
             self.model = Model(self._model)
+            if tokenizer:
+                self.tokenizer = tokenizer
+            else:
+                self.tokenizer = AutoTokenizer.from_pretrained(self.model_name)
+            if not self.tokenizer.pad_token:
+                self.tokenizer.pad_token = '[PAD]'
         else:
             log.warning('The operator is initialized without specified model.')
             pass
@@ -205,14 +205,6 @@ class AutoTransformers(NNOperator):
             log.error(f'Unsupported format "{format}".')
         return Path(output_file).resolve()
 
-    @property
-    def supported_formats(self):
-        onnxes = self.supported_model_names(format='onnx')
-        if self.model_name in onnxes:
-            return ['onnx']
-        else:
-            return ['pytorch']
-
     @property
     def supported_formats(self):
         return ['onnx']
@@ -220,7 +212,60 @@ class AutoTransformers(NNOperator):
     @staticmethod
     def supported_model_names(format: str = None):
         full_list = [
-
+            'sentence-t5-xxl',
+            'sentence-t5-xl',
+            'sentence-t5-large',
+            'text-embedding-ada-002',
+            'text-similarity-davinci-001',
+            'text-similarity-babbage-001',
+            'text-similarity-curie-001',
+            'paraphrase-mpnet-base-v2',
+            'text-similarity-ada-001',
+            'gtr-t5-xxl',
+            'gtr-t5-large',
+            'gtr-t5-xl',
+            'paraphrase-multilingual-mpnet-base-v2',
+            'paraphrase-distilroberta-base-v2',
+            'all-mpnet-base-v1',
+            'all-roberta-large-v1',
+            'all-mpnet-base-v2',
+            'all-MiniLM-L12-v2',
+            'all-distilroberta-v1',
+            'all-MiniLM-L12-v1',
+            'gtr-t5-base',
+            'paraphrase-multilingual-MiniLM-L12-v2',
+            'paraphrase-MiniLM-L12-v2',
+            'all-MiniLM-L6-v1',
+            'paraphrase-TinyBERT-L6-v2',
+            'all-MiniLM-L6-v2',
+            'paraphrase-albert-small-v2',
+            'multi-qa-mpnet-base-cos-v1',
+            'paraphrase-MiniLM-L3-v2',
+            'multi-qa-distilbert-cos-v1',
+            'msmarco-distilbert-base-v4',
+            'multi-qa-mpnet-base-dot-v1',
+            'msmarco-distilbert-base-tas-b',
+            'distiluse-base-multilingual-cased-v2',
+            'multi-qa-distilbert-dot-v1',
+            'multi-qa-MiniLM-L6-cos-v1',
+            'distiluse-base-multilingual-cased-v1',
+            'msmarco-bert-base-dot-v5',
+            'paraphrase-MiniLM-L6-v2',
+            'multi-qa-MiniLM-L6-dot-v1',
+            'msmarco-distilbert-dot-v5',
+            'bert-base-nli-mean-tokens',
+            'bert-large-uncased-whole-word-masking',
+            'average_word_embeddings_komninos',
+            'distilbert-base-uncased',
+            'average_word_embeddings_glove.6B.300d',
+            'dpr-ctx_encoder-multiset-base',
+            'dpr-ctx_encoder-single-nq-base',
+            'microsoft/deberta-xlarge',
+            'facebook/bart-large',
+            'bert-base-uncased',
+            'microsoft/deberta-xlarge-mnli',
+            'gpt2-xl',
+            'bert-large-uncased'
         ]
         full_list.sort()
         if format is None:
@@ -230,13 +275,11 @@ class AutoTransformers(NNOperator):
             assert set(to_remove).issubset(set(full_list))
             model_list = list(set(full_list) - set(to_remove))
         elif format == 'torchscript':
-            to_remove = [
-            ]
+            to_remove = []
             assert set(to_remove).issubset(set(full_list))
             model_list = list(set(full_list) - set(to_remove))
         elif format == 'onnx':
-            to_remove = [
-            ]
+            to_remove = []
             assert set(to_remove).issubset(set(full_list))
             model_list = list(set(full_list) - set(to_remove))
         # todo: elif format == 'tensorrt':