diff --git a/jk.py b/jk.py
index aece3c5..9dbb8e7 100644
--- a/jk.py
+++ b/jk.py
@@ -1,12 +1,15 @@
-player=input("请出拳(石头/剪刀/布):")
-print("玩家出拳:"+player)
 import random
+player=input("请出拳(石头/剪刀/布):")
 list=["石头","剪刀","布"]
 computer=random.choice(list)
+print("玩家出拳:"+player)
 print("计算机出拳:"+computer)
-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")
+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("很遗憾,你输了")
 else:
-    print("很遗憾,你输了")
\ No newline at end of file
+    print("输入错误")
\ No newline at end of file