在我们自己的应用程序中，可以考虑在发生认证失败的情况时清除用户名和密码，并向屏幕上添加一条错误消息。
In your own applications, you might consider clearing the username and password when failure occurs because of authentication and adding an error message to the screen.
没有SSO，用户的认证将丢失并且这些认证将失败。
Without SSO, the user's authentication is now lost and those authorization will fail.
没有SSO，用户的认证将丢失并且这些认证将失败。
Without SSO, the user's authentication is now lost and those authorization will fail.
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