The key to patents is to protect technology and creation. If there is no technical content, it will not be protected by the patent law and the application will not be approved.
Second, if there is no application prospect, there is no need to apply for it. The investment must be recovered. If the cost cannot be recovered, there is no need, except for those who just want a certificate.
What does the design concept of real estate refer to? You can consider whether you meet the conditions for applying for copyright