diff --git a/ppcls/engine/trainer.py b/ppcls/engine/trainer.py
index 53235cc0ee7bd670dec13ecbd40fb726423d1f00..08fe90bf906fef624e782dcd54612512acc7dd00 100644
--- a/ppcls/engine/trainer.py
+++ b/ppcls/engine/trainer.py
@@ -236,7 +236,7 @@ class Trainer(object):
                         model_name=self.config["Arch"]["name"],
                         prefix="best_model")
                 logger.info("[Eval][Epoch {}][best metric: {}]".format(
-                    epoch_id, acc))
+                    epoch_id, best_metric["metric"]))
                 self.model.train()
 
             # save model