How to set a default display for ui-view in angularjs

I am using the angular1.X version, and the routing is using angular-ui-router,. I would like to ask the gods how to set a default display for ui-view as soon as they enter the page.

Mar.01,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b31a5d-2bdb9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31a5d-2bdb9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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