why the my lot not permited the link

Everything seems to have already been said :) But, there is something you can do...MyLot gives you a profile to showcase yourself to MyLot members. So when you are posting in discussions and someone likes what you have wrote. They might take a peek in your profile to see what you are about. You may use that area as your promotional tool.

Links are permitted in your discussions but not links with your referral link. If you put your referral link in the discussion your discussion may get deleted.