[batch] fix duration calculation (#5987)
[batch] fix duration calculation (#5987)

* [batch] fix duration calculation

* add log

cseed/hail,danking/hail,hail-is/hail,cseed/hail,cseed/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,danking/hail,danking/hail,hail-is/hail,hail-is/hail,danking/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,danking/hail,hail-is/hail