2021-01-14 18:01:53 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-01-14 21:25:23 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-01-14 21:27:49 [调试] 打开端口(/dev/ttyS2,9600)成功!