Second warning: please speak in English or at least provide an accurate translation of your content!
As you described it, you still have the time to reactivate your old account unless it’s scheduled for deletion, then back it up with this guide:
Then restore the backup you made on the new hosting account by following this guide:
And then follow the guide to change your website URL I sent on the post above.
If your old hosting account already got deleted, I’m sorry to say your website is lost if you don’t have any backup, as @JavesPotato already said above me.