diff --git a/diy1.py b/diy1.py
index b25aaf2..14b4524 100644
--- a/diy1.py
+++ b/diy1.py
@@ -4,9 +4,12 @@ import random
 list=["石头","剪刀","布"]
 computer=random.choice(list)
 print(computer)
+if player in list:
 if player==computer:
     print(平局)
 elif (player=="石头"and computer=="剪刀")or(player=="剪刀"and computer=="布")or(player=="布"and computer=="石头")
     print("恭喜你，赢了")
 else:
-    print("你输了")
\ No newline at end of file
+    print("你输了")
+else:
+    print("输入有误")
\ No newline at end of file