No appointment time was found after the registration of Health Cloud.

Make an online appointment for supplementary immunization through the "Healthy Cloud" app. After the registration of Health Cloud, I didn't find an appointment time to make an online appointment to strengthen immunization through the "Health Cloud" APP or my valid ID card went to the vaccination clinic at the appointment time. A contract that stipulates that creditor's rights and debts will be generated between the parties in the future to conclude a formal contract. We need to make an appointment for special reasons, and then conclude this agreement by fulfilling the appointment, and finally achieve the goal by fulfilling this agreement.