Thanks for your reply, after I update my windows version, it seems this problem sloved.
On 10/29/2020 16:24CHANU ROMAIN<romain.chanu@univ-lyon1.fr> wrote:

Hello,


Are you sure your image is correctly installed? From default iso, windows does not have virt-io driver and cloud-init. You need to install both.


Best regards,

Romain


From: liu <ssdutliu@163.com>
Sent: Wednesday, October 28, 2020 10:04 AM
To: openstack-discuss@lists.openstack.org
Subject: Windows client can't connect to internet
 
Dear OpenStack community,
    I just launch a windows client in my OpenStack platform, but it can't connect to the internet with the float IP. Before that use a ubuntu client I can access the internet. Any ideas about why this happened. Thank you for your help.

Liu