Yes, but there is a time limit; Specifically, the applicant for a patent for invention may, when making a request for substantive examination, take the initiative to modify the application for a patent for invention within 3 months from the date of receiving the notice that the application for a patent for invention has entered the substantive examination stage issued by the patent administration department of the State Council. An applicant for a patent for utility model or design may, within 2 months from the date of application, put forward amendments to the application for a patent for utility model or design. If the above time has passed or the notice of review opinions has been received, you need to contact the examiner to see if the modification is allowed;
The way of revision is to submit an amendment;