A. 1. Check spam/junk folder: Sometimes, refund notifications may end up in your spam or junk email folder. Make sure to check there. 2. Verify your email address: Ensure that the email address associated with your Hacoo account is correct and up to date. 3. Review refund policy: Familiarize yourself with Hacoo's refund policy to understand the typical timeframe for notifications.

B. 4. Contact customer service: If you still haven't received a notification, reach out to customer service to inquire about the status of your refund.