Try logging in with an invalid user name or password, and notice that an appropriate default error message appears.

尝试输入非法的用户名和密码，你会看到默认的错误信息。

youdao

Try logging in with an invalid user name or password, and notice that an appropriate default error message appears.

尝试输入非法的用户名和密码，你会看到默认的错误信息。

youdao