diff --git a/fastNLP/core/controllers/trainer.py b/fastNLP/core/controllers/trainer.py
index 4ff8ba80..f26d841c 100644
--- a/fastNLP/core/controllers/trainer.py
+++ b/fastNLP/core/controllers/trainer.py
@@ -219,10 +219,10 @@ class Trainer(TrainerEventTrigger):
 
         """ 设置内部的 Evaluator """
         if metrics is None and evaluate_dataloaders is not None:
-            raise ValueError("You have set 'validate_dataloader' but forget to set 'metrics'.")
+            raise ValueError("You have set 'evaluate_dataloader' but forget to set 'metrics'.")
 
         if metrics is not None and evaluate_dataloaders is None:
-            raise ValueError("You have set 'metrics' but forget to set 'validate_dataloader'.")
+            raise ValueError("You have set 'metrics' but forget to set 'evaluate_dataloader'.")
 
         self.evaluator = None
         self.monitor = monitor