Welcome to contact us. Email: service@ulord.one, or @ulordchain on GitHub or Twitter. Your suggestions are very important to us. We look forward to your support and participation. Technical Progress Ulord 1.To control whether external accounts could modify the attributes in their namespaces, a new method was added: approve_ item_ Attributes and cancel_ item_ attributes_ approval.When the permission was revoked, all the previously set attributes of the account would be deleted.