save project

diy1.py

@@ -7,10 +7,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功。")
         break
-    if name != username:
+    elif name != username:
         print("该用户不存在，请重新输入账号！")
         continue
-    if password != userpassword:
+    else password != userpassword:
         print("密码错误，请重新输入！")
     print("欢迎来到minecraft官方服务器")
 # 如果用户输入的账号、密码正确，提示登陆成功
\ No newline at end of file