diff --git a/diy1.py b/diy1.py
index 66f4f71..cc35677 100644
--- a/diy1.py
+++ b/diy1.py
@@ -6,8 +6,9 @@ list1 = ["石头","剪刀","布"]
 computer = random.choice(list1)
 print("电脑出拳" + computer)
 
-if player==computer:
-    print("平局")
+if player in list1:
+    if player==computer:    
+        print("平局")
 elif player=="石头" and computer=="剪刀":
     print("恭喜，你赢了")
 elif player=="剪刀" and computer=="布":