2021-05-21 08:48:52 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-05-21 09:17:27 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-05-21 11:08:37 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-05-21 15:19:49 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-05-21 15:30:14 [调试] 打开端口(/dev/ttyS3,9600)成功!