2021-08-23 08:11:35 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-08-23 15:49:35 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-08-23 16:35:48 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-08-23 16:38:07 [错误] 打开端口(/dev/ttyS5,115200)失败!