Hi @Hsu Yao Chang
Although not exactly what you want, Atlassian have written this (https://confluence.atlassian.com/doc/customizing-the-login-page-163938553.html) which details how to customise the login page. This could be what you're looking for in terms of telling users how to log in etc, but not how to change the default message as shown/requested above.
Hi Community! I’m Elaine, Confluence Product Manager. You may have read my earlier post about page tree in space navigation sidebar. I'm excited to share another improvement that helps you organize ...
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