auto save

diy2.py

@@ -6,7 +6,7 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name !=userpassword: 
+    if name !=username: 
         print("登陆成功")
     if password != userpassword:
         print("密码输入有误请重新输入")