diff --git a/test_onnx.py b/test_onnx.py
index 5498278..2ded7d9 100644
--- a/test_onnx.py
+++ b/test_onnx.py
@@ -43,12 +43,19 @@ for name in models:
     logger.info(f'***{name}***')
     saved_name = name.replace('/', '-')
     onnx_path = f'saved/onnx/{saved_name}.onnx'
+
+    try:
+        op = TimmImage(model_name=name, device='cpu')
+        data = torch.rand((1,) + op.config['input_size'])
+    except Exception as e:
+        print(f'***Please re-download model {name}.***')
+        logger.error(f'Fail to call model: {e}')
+        continue
+
     if status:
         f.write(','.join(status) + '\n')
     status = [name] + ['fail'] * 5
 
-    op = TimmImage(model_name=name, device='cpu')
-    data = torch.rand((1,) + op.config['input_size'])
     try:
         out1 = op.model.forward_features(data).detach().numpy()
         logger.info('OP LOADED.')
diff --git a/timm_image.py b/timm_image.py
index b56f3b2..f21f784 100644
--- a/timm_image.py
+++ b/timm_image.py
@@ -65,7 +65,7 @@ class TimmImage(NNOperator):
         self.device = device
         self.model_name = model_name
         if self.model_name:
-            self.model = create_model(self.model_name, pretrained=pretrained, num_classes=num_classes)
+            self.model = create_model(self.model_name, pretrained=True, num_classes=num_classes)
             self.model.eval()
             self.model.to(self.device)
 
@@ -135,7 +135,7 @@ class TimmImage(NNOperator):
                                   path,
                                   input_names=['input_0'],
                                   output_names=['output_0'],
-                                  opset_version=12,
+                                  opset_version=14,
                                   dynamic_axes={
                                       'input_0': {0: 'batch_size'},
                                       'output_0': {0: 'batch_size'}