Failed to get libraries information on 6.0.1/6.0.2

A fixed version is ready.

For users that already have the problem, use the following command to fix it.

sqlite3 /path/to/seahub.db
UPDATE api2_tokenv2 SET created_at='0001-01-01 00:00:00' WHERE created_at='0000-00-00 00:00:00';
.quit