2023-07-04 08:31:04 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-04 13:45:46 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-04 16:28:57 [错误] 打开端口(/dev/ttyS5,115200)失败!