1. Inserting the next page section break at the end of the directory page will create a new blank page; Location: Page Layout-Delimiter-Next Page section break

2. Position the cursor on a new blank page, and then double-click the page number to enter the header and footer view;

3. Delete "1" in the * * * "1"page, then select "Insert-Domain", select "Total Pages in this Section" in the domain name category of the dialog box, and press OK.