2022-01-18 08:49:37 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-18 12:34:51 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-18 18:07:29 [错误] 打开端口(/dev/ttyS5,115200)失败!