First, log in as soon as you open it. That's the truth. You need to log in on the next trading day. The problem you mentioned may have appeared when you logged in on the day you opened the account.

The second possibility is that the software you log in needs to be opened, so even if you have an account, you will be prompted that the account is illegal.

If you have questions about futures, you can consult and exchange.

More than ten years of experience.