How to use the ref field: First, in the print options, click the update field before printing, and then select "Zhang San" to insert a bookmark. Bookmarks should be named. Insert a cross-reference where you want to modify it automatically. Select bookmarks in cross reference. Note: when changing Zhang San, don't delete all of them. Starting from the middle, delete all the words before and after the change. Click on the print preview, and it will be successful.
Can't bear to give points. Give me 15. I don't talk to him about ordinary people.