I configured FreeBSD does not start (GPT + ZFS)

[Haowu Ge]

I tried to install via mfsbsd on bsdinstaller GPT + ZFS environment
System will not boot, suggesting that "no operating system found"

Notebook BIOS BIOS Legacy mode has been set
gpart set-a active ada0 also tried, it does not start

https://www.7axu.com/files/images/BSDINSTALLER.jpg
https://www.7axu.com/files/images/GPART.jpg
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Regards.
By: Haowu Ge; PGP:DD1AA2E8
WWW: https://www.7axu.com/