1, the developer or real estate agent is busy: sometimes, the developer or real estate agent can't handle the online signing formalities in time because of heavy workload or other reasons. In this case, you can contact the developer or real estate agent to consult the progress.
2. Legal procedures: In the process of real estate transaction, various legal procedures and procedures may be involved, such as property right certificate, land use certificate and house mortgage. If the relevant legal procedures have not been completed or there are doubts, the online signing process will be delayed.
3. Payment problem: If you haven't paid the house yet, or there are problems with the payment method or amount, the online signing process will be delayed. Contact the developer or real estate agent to confirm the payment method and amount, and complete the payment in time.