auto save

diy2.py

@@ -7,7 +7,7 @@ while True:
         print("登录成功!")
         print("登录成功!")
         break
         break
     if name != username:
     if name != username:
-        print("用户名不存在，请重新输入！")
+        print("错，")
         continue
         continue
     if password != userpassword:
     if password != userpassword:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")