diff --git a/README.md b/README.md
index 6b45e09..52f72db 100644
--- a/README.md
+++ b/README.md
@@ -356,3 +356,4 @@ Get a list of all supported model names or supported model names for specified m
 ***format***: *str*
 
 ​	The model format such as 'pytorch', 'torchscript'.
+
diff --git a/auto_transformers.py b/auto_transformers.py
index ce5b15c..90dc590 100644
--- a/auto_transformers.py
+++ b/auto_transformers.py
@@ -45,7 +45,7 @@ class AutoTransformers(NNOperator):
             self.model = AutoModel.from_pretrained(model_name)
             self.model.eval()
         except Exception as e:
-            model_list = self.get_model_name()
+            model_list = self.supported_model_names()
             if model_name not in model_list:
                 log.error(f"Invalid model name: {model_name}. Supported model names: {model_list}")
             else:
@@ -103,7 +103,7 @@ class AutoTransformers(NNOperator):
 
     @staticmethod
     def supported_model_names(format: str = None):
-        model_list = [
+        full_list = [
             "bert-large-uncased",
             "bert-base-cased",
             "bert-large-cased",
@@ -231,13 +231,15 @@ class AutoTransformers(NNOperator):
             "Musixmatch/umberto-commoncrawl-cased-v1",
             "Musixmatch/umberto-wikipedia-uncased-v1",
         ]
-        model_list.sort()
+        full_list.sort()
         if format is None:
-            pass
+            model_list = full_list
         elif format == 'pytorch':
-            pass
+            to_remove = []
+            assert set(to_remove).issubset(set(full_list))
+            model_list = list(set(full_list) - set(to_remove))
         elif format == 'torchscript':
-            model_list.remove(
+            to_remove = [
                 'EleutherAI/gpt-j-6B',
                 'EleutherAI/gpt-neo-1.3B',
                 'allenai/led-base-16384',
@@ -283,7 +285,9 @@ class AutoTransformers(NNOperator):
                 'flaubert/flaubert_base_uncased',
                 'flaubert/flaubert_base_cased',
                 'flaubert/flaubert_large_cased'
-            )
+            ]
+            assert set(to_remove).issubset(set(full_list))
+            model_list = list(set(full_list) - set(to_remove))
         else:  # todo: format in {'onnx', 'tensorrt'}
             log.error(f'Invalid format "{format}". Currently supported formats: "pytorch", "torchscript".')
         return model_list