React navigation returns the specified page

The goBack method of

react navigation supports returning a specified page via state.key

the following figure shows the state, I printed in the componentDidMount method of the personal center page and saved the key in the global variable MINE_KEY
clipboard.png

clipboard.png

clipboard.png

.

could you tell me what"s wrong?

Mar.23,2021
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-64f5-1e58aaf-5a51a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e58aaf-5a51a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?