After logging on to the CloudSSO user portal, users are redirected to a specific page in the Alibaba Cloud Management Console. By default, this is the console homepage, but you can customize this landing page for different access scenarios.
Set the initial landing page for RAM role-based logon
You can set the Relay State parameter on the details page of an access configuration. You can only specify a page in the Alibaba Cloud Management Console. If you leave this field empty, users will be redirected to the console homepage. For more information, see Create an access configuration or Modify the basic information of an access configuration.

Set the initial landing page for RAM user-based logon
You can set the Default Logon Page on the Settings page. You can only specify a page in the Alibaba Cloud Management Console.

References
Log on to the CloudSSO user portal and access Alibaba Cloud resources