diff --git a/modelscope/pipelines/cv/tinynas_classification_pipeline.py b/modelscope/pipelines/cv/tinynas_classification_pipeline.py
index d49166d1..a470e58b 100644
--- a/modelscope/pipelines/cv/tinynas_classification_pipeline.py
+++ b/modelscope/pipelines/cv/tinynas_classification_pipeline.py
@@ -90,7 +90,7 @@ class TinynasClassificationPipeline(Pipeline):
         output_prob = torch.nn.functional.softmax(inputs['outputs'], dim=-1)
         score = torch.max(output_prob)
         output_dict = {
-            OutputKeys.SCORES: score.item(),
-            OutputKeys.LABELS: label_dict[inputs['outputs'].argmax().item()]
+            OutputKeys.SCORES: [score.item()],
+            OutputKeys.LABELS: [label_dict[inputs['outputs'].argmax().item()]]
         }
         return output_dict