diff --git a/diy1.py b/diy1.py
index ce831b6..9e03b56 100644
--- a/diy1.py
+++ b/diy1.py
@@ -5,8 +5,8 @@ scores = {'语文':89, '数学':95, '英语':80}
 
 def get_average(scores):
     score = 0  
-    for subject, score in scores.items():
-        score += score
+    for subject, sco in scores.items():
+        score += sco
         print('现在的总分是%d'%score)
     ave_score = score/len(scores)
     print('平均分是%d'%ave_score)