1. Contact the developer or seller: First, you can contact the developer or seller and ask them if the two accounts are related. They may explain the relationship between the two and help you solve any questions.
2. Verification information: You can carefully verify the information of the full invoice and the supervision account number to ensure that they are consistent. If you find any mistakes or inconsistencies, you can ask the developer or salesperson to correct them.
3. Consult relevant departments: If the developer or seller can't solve it, they can consult relevant local departments, such as real estate management bureau or tax department. They may help you solve this problem and provide more advice and guidance.
4. Consider legal channels: If the above measures can't solve the problem, you can consider solving it through legal channels. You can consult a lawyer to understand your rights and legal responsibilities and how to take action to solve this problem.
When dealing with this problem, please be sure to keep all relevant documents and evidence so that you can safeguard your rights and interests. The most important thing is to be patient and calm, not to make a decision easily, but to carefully evaluate your options and adopt the scheme that suits you best.