2022-06-12 08:48:59 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-06-12 12:28:13 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-06-12 18:02:44 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-06-12 18:57:59 [错误] 打开端口(/dev/ttyS5,115200)失败!