when influxdb server shutdown, client still send metric, the background goroutine "w.writeProc()" will crash…

when influxdb server shutdown, client still send metric, the background goroutine "w.writeProc()" will crash…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). at normal case, will print the follow log