To link your account head over to https://minehut.com, once you log in and hover over to the side nav on the left-hand side and click Account Settings.
Once you are on the profile page, click on the Link Account button found near the bottom of the page.
After you click the Link Account button, you’ll be given a code to use to link your account. Join Minehut through the server IP minehut.com and type the command which the panel has given you.
Once you type in that command your account will be linked.