The swimming pool promised by the developer is useless. Can the property be changed for use?

The swimming pool promised by the developer belongs to * * * facilities, and the property cannot be changed without permission, which is a violation of the property service contract.

The realty service contract refers to the service contract concluded between the realty service enterprise and the owners' committee, which stipulates that the realty service enterprise shall manage the house and its supporting equipment and facilities, maintain the environmental sanitation and public order in the relevant areas, and the owners shall pay remuneration.