add follow line in xml
<os>
<loader type='rom'>/usr/share/ovmf/OVMF.fd</loader>
</os>
add follow line in xml
<os>
<loader type='rom'>/usr/share/ovmf/OVMF.fd</loader>
</os>
1: sudo apt-get install tftpd tftp openbsd-inetd //下載tftp 2:sudo vim /etc/inetd.conf //修改配製文件,將默