diff --git a/clip.py b/clip.py
index ec05a33..beebab4 100644
--- a/clip.py
+++ b/clip.py
@@ -22,7 +22,7 @@ from towhee.operator.base import NNOperator, OperatorFlag
 from towhee.types.arg import arg, to_image_color
 from towhee import register
 from transformers import CLIPTokenizer, CLIPTextModel ,CLIPModel,CLIPProcessor
-#from towhee.dc2 import accelerate
+# from towhee.dc2 import accelerate
 
 
 def create_model(model_name, modality, checkpoint_path, device):
@@ -42,8 +42,7 @@ def create_model(model_name, modality, checkpoint_path, device):
         clip = CLIPModelText(hf_clip_model)
     else:
         raise ValueError("modality[{}] not implemented.".format(modality))
-    model = Model(clip)
-    return model
+    return clip
 
 class CLIPModelVision(nn.Module):
     def __init__(self, model):
@@ -63,17 +62,25 @@ class CLIPModelText(nn.Module):
         text_embeds = self.backbone.get_text_features(input_ids, attention_mask)
         return text_embeds
     
-#@accelerate
+# @accelerate
 class Model:
-    def __init__(self, model):
-        self.model = model
+    def __init__(self, model_name, modality, checkpoint_path, device):
+        self.model = create_model(model_name, modality, checkpoint_path, device)
+        self.device = device
     
     def __call__(self, *args, **kwargs):
-        outs = self.model(*args, **kwargs)
+        new_args = []
+        for item in args:
+            new_args.append(item.to(self.device))
+        new_kwargs = {}
+        for k, value in kwargs.items():
+            new_kwargs[k] = value.to(self.device)
+        outs = self.model(*new_args, **new_kwargs)
         return outs
 
+
 @register(output_schema=['vec'])
-class Clip(NNOperator): 
+class Clip(NNOperator):
     """
     CLIP multi-modal embedding operator
     """
@@ -82,11 +89,11 @@ class Clip(NNOperator):
         self.modality = modality
         self.device = device
         self.checkpoint_path = checkpoint_path
-        cfg = self._configs()[model_name]
+        real_name = self._configs()[model_name]
 
-        self.model = create_model(cfg, modality, checkpoint_path, device)
-        self.tokenizer = CLIPTokenizer.from_pretrained(cfg)
-        self.processor =  CLIPProcessor.from_pretrained(cfg)
+        self.model = Model(real_name, modality, checkpoint_path, device)
+        self.tokenizer = CLIPTokenizer.from_pretrained(real_name)
+        self.processor =  CLIPProcessor.from_pretrained(real_name)
 
     def inference_single_data(self, data):
         if self.modality == 'image':
@@ -113,14 +120,14 @@ class Clip(NNOperator):
 
     def _inference_from_text(self, text):
         tokens = self.tokenizer([text], padding=True, return_tensors="pt")
-        text_features = self.model(tokens['input_ids'].to(self.device), tokens['attention_mask'].to(self.device))
+        text_features = self.model(tokens['input_ids'], tokens['attention_mask'])
         return text_features
 
     @arg(1, to_image_color('RGB'))
     def _inference_from_image(self, img):
         img = to_pil(img)
         inputs = self.processor(images=img, return_tensors="pt")
-        image_features = self.model(inputs['pixel_values'].to(self.device))
+        image_features = self.model(inputs['pixel_values'])
         return image_features
 
     def train(self, **kwargs):