1. First, look for the account-related contact information on official website, a comprehensive platform for supervision and service of national off-campus education and training. Customer service e-mail, customer service telephone or online support are usually provided to users.
2. Secondly, use the found contact information to get in touch with the customer service team of the platform. Explain the situation and express the hope to restore the cancelled institutional account.
3. Then the customer service of the platform will ask for some personal or institutional information to verify the identity and make a request.
4. Finally, wait for the customer service staff to verify and wait for the account to be restored.