The usual method:
This application is free, and then submit a new one. The application date is calculated according to the new application date.
Where the priority of the earlier application is claimed and a new application is submitted, the date of application shall be regarded as the earlier application.
Actively modify this application, but actively modify the terms that have the opportunity to be modified: three months after the invention is submitted for practical examination and received for practical examination, and two months after the application for utility model and appearance is submitted. Take the initiative to modify, do not exceed the scope of the original application record.
As long as it is not a substantive mistake, it is ok not to correct it. Don't worry about the language expression of individual words, the meaning is correct and can be understood by technicians and examiners in this field.