1. Negotiate with Shandong Construction Engineering Education: You can try to communicate and negotiate with this educational institution first to understand the specific reasons and try to solve the problem.
2. Complain to the local education authorities: If negotiation fails, you can complain to the local education authorities (such as the Education Bureau and the Education Department) and ask them to investigate and solve the problem.
3. Seek legal help: If the above two methods fail, you can consider protecting your rights and interests through legal channels, such as suing educational institutions through lawyers and asking them to issue academic certificates in accordance with the agreement or legal provisions.