I downloaded lastest wallet (1.0.12) >>> https://github.com/Bitspacedev/BitSpace/releases/tag/v1.0.12/bitspace-qt.exe ,
but when open wallet still show old version 1.0.0.0.
Is this normal ?

Yes it is normal. We didn´t changed number of version in wallet. Not big deal. Source is same. Only hardcoded main nodes changed.
If you downloaded latest wallet. You are fine.