Package pro.fessional.wings.slardar.security

The UserId range in wings convention,
a positive number is a login user,
otherwise it is a non-login user.

(1) Big positive numbers are business users;
    small positive numbers are built-in users;
    0-99 are reserved Wings users.
(2) Negative numbers are special users.
(3) Zero has no privileges, root has the highest privileges,
    it is recommended not to login.