What do you mean the unique art authorization code is invalid?

The authorization code should be wrong or expired.

After entering the authorization code in the software, the software prompts "invalid", which means that the authorization code filled in cannot be recognized by the software. Generally speaking, this happens because there is a clerical error or confusion of numbers or letters in the process of manual copying. It is recommended to read the SMS authorization code carefully to avoid mistakes.

After entering the authorization code, the software prompts "expired", which means that the reporting year for filling in the authorization code is not the effective reporting year for the authorization code. It is recommended to check the valid year of the authorization code.