1. After even page and odd page are set, odd page and even page need to be set separately, that is, they need to be set twice;

2. Using chapters in titles can be achieved by inserting fields. Double-click the header to enter the header editing state, execute the Insert → Domain command, open the domain dialog box, select the link and reference options under the category, select the StyleRef option under the domain name, select the title to be displayed under the style name on the right, and confirm to return to exit the header and footer editing state.