2022-07-12 08:42:16 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-07-12 20:49:14 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-07-12 21:36:42 [错误] 打开端口(/dev/ttyS5,115200)失败!