diff --git a/opencompass/datasets/gsm8k.py b/opencompass/datasets/gsm8k.py
index ffe0fdd8a..a408ed6e9 100644
--- a/opencompass/datasets/gsm8k.py
+++ b/opencompass/datasets/gsm8k.py
@@ -43,10 +43,10 @@ def gsm8k_dataset_postprocess(text: str) -> str:
 @TEXT_POSTPROCESSORS.register_module('gsm8k')
 def gsm8k_postprocess(text: str) -> str:
     text = text.split('Question:')[0]
-    numbers = re.findall(r'\-?\d+\.\d+|\-?\d+', text)
+    numbers = re.findall(r'-?\d[\d,].?\d', text)
     if not numbers:
-        return 'NULL'
-    return numbers[-1]
+    return 'NULL'
+    return numbers[-1].replace(",","")
 
 
 class Gsm8kEvaluator(BaseEvaluator):