2022-01-21 08:50:20 [调试] 打开端口(/dev/ttyS2,9600)成功!
2022-01-21 09:19:42 [调试] 打开端口(/dev/ttyS2,9600)成功!
2022-01-21 13:08:33 [调试] 打开端口(/dev/ttyS2,9600)成功!