2021-12-20 08:53:12 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-12-20 13:25:31 [调试] 打开端口(/dev/ttyS3,9600)成功!
2021-12-20 13:41:35 [调试] 打开端口(/dev/ttyS3,9600)成功!