2021-01-16 08:51:55 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-01-16 10:48:30 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-01-16 10:54:21 [调试] 打开端口(/dev/ttyS2,9600)成功!