When registering new members，fill in the registration options，then click the ‘create account’ button.
Next will wait for the server to respond.A minute or so，will open the 503 error page.
prompt:
Service Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
Apache Server at www.djsj.org Port 80
But members can register successfully,Because new users can log in.
How did this happen?Should i check where?
