2022-02-15 08:49:50 [调试] 打开端口(/dev/ttyS2,9600)成功!
2022-02-15 12:47:02 [调试] 打开端口(/dev/ttyS2,9600)成功!
2022-02-15 17:39:31 [调试] 打开端口(/dev/ttyS2,9600)成功!