2021-02-06 08:40:39 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-02-06 14:06:09 [调试] 打开端口(/dev/ttyS2,9600)成功!
2021-02-06 20:51:46 [调试] 打开端口(/dev/ttyS2,9600)成功!