2021-04-05 08:42:36 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-04-05 15:43:12 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-04-05 18:43:49 [调试] 打开端口(/dev/ttyS2,9600)成功!