Google Translation:

Warning: Starting from January 14th, Friday 8:00 to Monday 19:00, during this time period no visitors can enter and that will continue until this information disappears! Please set your cookies

Google Translation:

The number of site population and the number of uploads is close to the server limit, and the invitation will not be opened on a large scale until the hardware performance is improved

During the Spring Festival, the upper limit of about 200 people may be raised.
In the future, the working group can send 8 invitations per month, and the VIP can send 5 invitations per month.