In this case, it is not supported in patent law to keep the application number and deal with the slowdown of all procedures. At present, the application fee can't be postponed now, and it can only be paid to 500 yuan according to the requirements in the fee notice. You can now resubmit the fee waiver request, which can reduce the actual audit fee and the annual fee for the first three years after authorization.
The second method is to abandon this application and reapply. However, the original application number cannot be retained, and the date will be changed to a new submission date.