Place the cursor on the generated directory and click Reference-Update Directory; The Update Domain dialog box pops up, and you can choose to update the whole directory.

First open word, edit the number of pages in the directory name, and then set the page end alignment. Select all directories, and then click the paragraph spacing option in the menu bar. Then click the tab stop in the lower left corner of indentation and spacing in the paragraph setting box. We can see the character length of words.

Select Insert-Page Number to open the Page Number dialog box. Uncheck the Show Page Numbers on First Page check box, and then click the Format button to open the Page Number Format dialog box. Type the number "0" in the box after "Starting Page Number". Press "OK" to exit.