1, the intermediary was afraid that you would run the bill, so the deposit of 1W was collected by the intermediary and never given to the developer.
2. The seller is not a developer, but a related person who works for the developer, and operates the internal housing.
If you can confirm that the seal of the house purchase contract is the special seal of the developer, then the house can still be bought.
Generally speaking, no matter which account your money goes to, it is impossible for the developer to invoice you at the first time. It's all a receipt, and then the account is reimbursed, and then the invoice is issued to you.