2023-07-18 08:31:44 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-18 13:40:31 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-18 21:37:49 [错误] 打开端口(/dev/ttyS5,115200)失败!