no.
the owner has paid the maintenance fund for the purchase of commercial housing, indicating that he has passed the qualification examination and signed the Commercial Housing Purchase and Sales Contract. The contract has indicated the building unit level and household number of the owner's house purchase, and the receipt for paying the maintenance fund also indicates the building unit level and household number of the owner's house purchase, indicating that the exact location of the owner's house purchase has been determined and the contract is being fulfilled. In this case, it is not feasible for the owner to unilaterally ask the developer to change the contract on the grounds of personal preference, and there is no legal basis.