Utility model patents and invention patents must have three characteristics. An invention patent does not have creativity, which means that the technical solution of your invention patent is not outstanding and there is no major technical improvement.
Unless your opinion statement explains this issue, the invention may be authorized and approved
The level of creative review for inventions and utility model patents is different, so you can obtain a utility model patent, that is, use Priority application
You can now use the priority to apply for a utility model patent, and at the same time make a statement on your invention patent. If it is temporarily impossible to guarantee the authorization of the invention patent, ensure the utility model patent first. Get the certificate.
The examiner will state the situation based on your opinions and decide whether the invention overcomes inventiveness issues. Generally, inventiveness issues are easy to solve, as long as you can find some evidence.