For the modification that can be directly derived from the contents recorded in the original application documents, it can be explained in detail in the opinion statement how to derive the currently modified contents from the contents recorded in the original specification and claims. In order to persuade the examiner better, you can meet with the examiner or discuss it by phone.
For the part that is really modified beyond the original application documents, it shall be deleted according to the requirements of the notice of examination opinions to overcome the defect that the modification is beyond the scope, otherwise the application will be rejected.