1) First select the project name part of the home page.

2) Insert-bookmark, define the signature of the book, such as "projname"-add.

3) In the header, insert -domain-link and reference-ref, and select the book signature "Projname" just defined in the next window-OK. In this way, the project name is copied into the title as a field.

4) Insert the "field" in this way. When the original content changes, the corresponding content display in the header will not be updated automatically. You need to click the location with the mouse and press F9 to update it.

5) If you click the Print Update field option, it will be automatically updated during print preview or printing. Method: Tools-Options-Print-Update Domain.