diff --git a/blip.py b/blip.py
index e224790..ea6e062 100644
--- a/blip.py
+++ b/blip.py
@@ -39,6 +39,8 @@ class Blip(NNOperator):
 
         self._modality = modality
         self.device = "cuda" if torch.cuda.is_available() else "cpu"
+        self.model.to(self.device)
+        self.model.eval()
 
         self.tfms = transforms.Compose([
             transforms.Resize((image_size,image_size),interpolation=InterpolationMode.BICUBIC),
@@ -47,7 +49,6 @@ class Blip(NNOperator):
             ])
 
     def __call__(self, data):
-        print('call')
         if self._modality == 'image':
             vec = self._inference_from_image(data)
         elif self._modality == 'text':
diff --git a/requirements.txt b/requirements.txt
index b601a2f..9c8c547 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ torchvision>=0.10.0
 Pillow
 towhee
 timm
-transformers
+transformers>=4.15.0