diff --git a/tests/test_hf_model.py b/tests/test_hf_model.py
index debef03..15c1c1e 100644
--- a/tests/test_hf_model.py
+++ b/tests/test_hf_model.py
@@ -213,12 +213,14 @@ class TestReward:
         score2 = model.get_score(tokenizer, chat_2)
         print('score1: ', score1)
         print('score2: ', score2)
-        assert score1.startswith('0.') & score2.startswith('-')
+        assert score1 > 0
+        assert score2 < 0
 
         # batch inference, get multiple scores at once
         scores = model.get_scores(tokenizer, [chat_1, chat_2])
         print('scores: ', scores)
-        assert scores[0].startswith('0.') & scores[1].startswith('-')
+        assert scores[0] > 0
+        assert scores[1] < 0
 
         # compare whether chat_1 is better than chat_2
         compare_res = model.compare(tokenizer, chat_1, chat_2)