diff --git a/convlab/policy/emoTUS/evaluate.py b/convlab/policy/emoTUS/evaluate.py
index ef71889def18d2de891937a63f6c0658f27f061e..1ea73262ba0a7771633b9e93531e7fc3257ba778 100644
--- a/convlab/policy/emoTUS/evaluate.py
+++ b/convlab/policy/emoTUS/evaluate.py
@@ -259,7 +259,7 @@ class Evaluator:
         for metric_type, score in scores.items():
             result[metric_type] = {}
             for m, s in score.items():
-                result[metric_type][m] = sum(s[m])/len(s[m])
+                result[metric_type][m] = sum(s)/len(s)
                 print(f"{metric_type}-{m}: {result[metric_type][m]}")
 
         if not golden_emotion: