You said that you have received n correction notices, just follow your previous method.
Briefly say the order:
1, log in to cpc；;
2. Click the reply in the main page to modify and enter the modification page;
3. Click on the general application, enter the application number, enter the notification name, click No reply, and click Search. If you are a legitimate electronic application user, there will be search results;
4. By adding and modifying two buttons, import the file to be uploaded to the intermediate file; After editing the file, click Save All and close, and the file will be automatically generated in a file directory;
5. Go back to the main page, find the correction just now under the intermediate file, sign it and send it.