diff --git a/sd.py b/sd.py
index 10c881b..31e2173 100644
--- a/sd.py
+++ b/sd.py
@@ -1,9 +1,11 @@
 import random
 player=input("玩家出拳")
 print("玩家出拳结果:"+player)
-a=["石头","剪刀","布"]
+#玩家出拳结果
+list=["石头","剪刀","布"]
 computer=random.choice(a)
 print("电脑出拳结果:"+computer)
+#电脑出拳结果
 if player in a:
     if player==computer:
         print("平局")
@@ -11,5 +13,7 @@ if player in a:
         print("你赢了")
     else:
         print("你输了")
+    #判断输赢
 else:
-    print("输入错误")
\ No newline at end of file
+    print("输入错误")
+#判断输入是否有误
\ No newline at end of file