diff --git a/neural_compressor/adaptor/pytorch.py b/neural_compressor/adaptor/pytorch.py
index b0b51040510..23e12ab40f6 100644
--- a/neural_compressor/adaptor/pytorch.py
+++ b/neural_compressor/adaptor/pytorch.py
@@ -865,37 +865,89 @@ def model_calibration(self,
 
     def eval_func(self, model, dataloader, postprocess, metrics, measurer, iteration, conf=None):
         results = []
-        for idx, (input, label) in enumerate(dataloader):
-            if measurer is not None:
-                measurer.start()
-
-            output = pytorch_forward_wrapper(model, input, device=self.device, conf=conf)
-            if self.device != "cpu":  # pragma: no cover
-                output = output.to("cpu")
-                label = label.to("cpu")
-            if measurer is not None:
-                measurer.end()
-            if postprocess is not None:
-                output, label = postprocess((output, label))
-            if metrics:
-                for metric in metrics:
-                    if not hasattr(metric, "compare_label") or \
-                        (hasattr(metric, "compare_label") and metric.compare_label):
-                        metric.update(output, label)
-
-                # If distributed dataloader, gather all outputs to update metric
-                if getattr(dataloader, 'distributed', False) or \
-                  isinstance(dataloader.sampler, \
-                  torch.utils.data.distributed.DistributedSampler):
-                    hvd.init()
+        try:
+            for idx, (input, label) in enumerate(dataloader):
+                if measurer is not None:
+                    measurer.start()
+
+                output = pytorch_forward_wrapper(model, input, device=self.device, conf=conf)
+                if self.device != "cpu":  # pragma: no cover
+                    output = output.to("cpu")
+                    label = label.to("cpu")
+                if measurer is not None:
+                    measurer.end()
+                if postprocess is not None:
+                    output, label = postprocess((output, label))
+                if metrics:
                     for metric in metrics:
-                        metric.hvd = hvd
+                        if not hasattr(metric, "compare_label") or \
+                            (hasattr(metric, "compare_label") and metric.compare_label):
+                            metric.update(output, label)
+
+                    # If distributed dataloader, gather all outputs to update metric
+                    if getattr(dataloader, 'distributed', False) or \
+                      isinstance(dataloader.sampler, \
+                      torch.utils.data.distributed.DistributedSampler):
+                        hvd.init()
+                        for metric in metrics:
+                            metric.hvd = hvd
+
+                if self.fp32_preds_as_label:
+                    self.fp32_results.append(output) if self.is_baseline else \
+                        results.append(output)
+                if idx + 1 == iteration:
+                    break
+        except Exception as e:
+            logger.warning("The dataloader didn't include label, will try input without label!")
+            for idx, input in enumerate(dataloader):
+                if (isinstance(input, dict) or isinstance(input, UserDict)):
+                    if not self.benchmark:
+                        assert "label" in input, \
+                            "The dataloader must include label to measure the metric!"
+                        label = input["label"].to("cpu")
+                elif not self.benchmark:
+                    assert False, "The dataloader must include label to measure the metric!"
+
+                if measurer is not None:
+                    measurer.start()
+
+                output = pytorch_forward_wrapper(model, input, device=self.device, conf=conf)
+
+                if measurer is not None:
+                    measurer.end()
+
+                if self.device != "cpu" and not self.benchmark:  # pragma: no cover
+                    if isinstance(output, dict) or isinstance(input, UserDict):
+                        for key in output:
+                            output[key] = output[key].to("cpu")
+                    elif isinstance(output, list) or isinstance(output, tuple):
+                        for tensor in output:
+                            tensor = tensor.to("cpu")
+                    else:
+                        output = output.to("cpu")
 
-            if self.fp32_preds_as_label:
-                self.fp32_results.append(output) if self.is_baseline else \
-                    results.append(output)
-            if idx + 1 == iteration:
-                break
+                if postprocess is not None and not self.benchmark:
+                    output, label = postprocess((output, label))
+
+                if metrics and not self.benchmark:
+                    for metric in metrics:
+                        if not hasattr(metric, "compare_label") or \
+                            (hasattr(metric, "compare_label") and metric.compare_label):
+                            metric.update(output, label)
+
+                    # If distributed dataloader, gather all outputs to update metric
+                    if getattr(dataloader, 'distributed', False) or \
+                      isinstance(dataloader.sampler, \
+                      torch.utils.data.distributed.DistributedSampler):
+                        hvd.init()
+                        for metric in metrics:
+                            metric.hvd = hvd
+
+                if self.fp32_preds_as_label:
+                    self.fp32_results.append(output) if self.is_baseline else \
+                        results.append(output)
+                if idx + 1 == iteration:
+                    break
         return results
 
     def model_eval(self,