$ tiup cluster audit |grep upgrade
fxw5PHDyRQH 2021-01-28T01:39:16+08:00 /home/fdc/.tiup/components/cluster/v1.3.1/tiup-cluster upgrade tidbonline v4.0.6
fTQt5sbrCBF 2022-06-07T00:27:10+08:00 /home/fdc/.tiup/components/cluster/v1.9.6/tiup-cluster upgrade tidbonline v5.3.1
fTQv2V0csc7 2022-06-07T00:41:22+08:00 /home/fdc/.tiup/components/cluster/v1.9.6/tiup-cluster upgrade tidbonline v5.3.1
fTQBhcVB75L 2022-06-07T01:59:46+08:00 /home/fdc/.tiup/components/cluster/v1.9.6/tiup-cluster upgrade tidbonline v5.3.1
看最后一个id的log吗？