Failed to upgrade mysql

[junglon]

Always failed when upgrade mysql

`mysql-8.0.30-linux-glibc2.12-x86_64.tar.xz download completed...
Moving MySQL files...
Starting MySQL...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
Starting restore all of databases, Please wait a moment...
MySQL all of databases restore failed, Please restore it manually
Restart MySQL...
Restart Apache...
Clear up start...
Clear up completed...

MySQL upgrade completed...
root@quill:~/lamp# mysql -u root -p
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
`
Please help