diff --git a/pdseg/eval.py b/pdseg/eval.py
index 8c0b34b685432ca2c50410905078c9af3a436977..b842431fb895c0985da1de5d5ef65073534a9835 100644
--- a/pdseg/eval.py
+++ b/pdseg/eval.py
@@ -112,7 +112,7 @@ def evaluate(cfg, ckpt_dir=None, use_gpu=False, use_mpio=False, **kwargs):
     ckpt_dir = cfg.TEST.TEST_MODEL if not ckpt_dir else ckpt_dir
 
     if not os.path.exists(ckpt_dir):
-        raise ValueError('The ckpt_dir {} is not found'.format(ckpt_dir))
+        raise ValueError('The TEST.TEST_MODEL {} is not found'.format(ckpt_dir))
 
     if ckpt_dir is not None:
         print('load test model:', ckpt_dir)