Enter [Account] and go to [Mining Group] page.
Click [Setting] behind the mining group whose payout address you want to edit.
Enter your new payout address and submit. Then you will receive an email for your update confirmation. Do not forget to check your Spam/Junk box if necessary.
Confirm your update from the email.
Reminder: For security reasons, your next payout time for the current mining group will be 48 hours after you change the payout address. Rewards will be saved to your balance during this period.