According to the supplementary materials provided by you, the visa officer will decide whether your application is approved, subject to administrative review or rejected.
Some visa applications need further administrative processing, that is, more processing time is needed after interviewing consular officials. There are many reasons why visas need administrative processing. During the interview, if the visa application will be subject to administrative treatment, they will be clearly informed. For all applicants, administrative processing usually ends within six weeks after the interview. In practice, due to the optimization of processing flow and the improvement of efficiency, most applications requiring administrative review are usually processed within six weeks after visa interview.