20 10
Steps:
1, open Word.
20 10, position the mouse in front of the text of the paper, then switch to the Citation tab, click the Table of Contents button in the Table of Contents option group, and select an automatic table of contents style from the immediately opened drop-down list, such as "Automatic Table of Contents 1".
2. Click the selected directory to quickly generate the directory corresponding to the current document and insert it into the document. It's done.