How long can a priority patent application be granted?

According to Article 10 of the Measures for the Administration of Patent Priority Examination, if China National Intellectual Property Administration agrees to give priority examination, it shall close the case within the following time limit from the date of consent: the application for a patent for invention shall notify the first examination opinion within 45 days and close the case within 1 year; The application for a patent for utility model and design shall be closed within 2 months; Under special circumstances, if the applicant's reply is overtime or the case is complicated, the closing time will be affected.