2020-04-21 08:55:30 [调试] 打开端口(/dev/ttyS0,9600)成功!
2020-04-21 10:08:59 [调试] 打开端口(/dev/ttyS0,9600)成功!
2020-04-21 10:46:39 [调试] 打开端口(/dev/ttyS0,9600)成功!