Example: After adding the referral code OKXDEX to the link, it becomes https://web3.okx.com/ul/joindex?ref=OKXDEX You may manually add or change to other referral code in the link. Supported share link types General invitation link : https://web3.okx.com/ul/joindex This is a general referral page link, which is consistent with the format of the link you copied and shared from the Referral dashboard. Example of a referral code added to a general invitation link: https://web3.okx.com/ul/joindex?