2021-08-28 09:32:09 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-08-28 13:00:18 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-08-28 17:05:38 [调试] 打开端口(/dev/ttyS2,9600)成功!