No, only clean install.
Installed using this twrp https://forum.xda-developers.com/mi-cc9/development/recovery-twrp-pyxis-unofficial-t3990493
This is how i flashed the rom
1. twrp.img
2. vmbmeta.img
3. Xiaomi.eu rom
4. Fstab.zip
Did you install it in a different way?
Sent from my MI CC 9 using...