1, select reference. In the document, click the reference option above. Select Update Directory. Select the icon to update the table of contents. Select to update the entire directory. When you choose to update the entire directory, click OK. Update complete. After confirmation, you can update the document directory.

2. First, open the WPS document on your computer, click View in the toolbar above, and then click Outline View. Then, you can see the contents of the whole document in the outline view interface, and start updating the table of contents here. If the generated directory is Chapter, select level 1, level 2 is under Chapter, and so on.

3. Open the WPS document and click the "Style" menu. When editing a document, you need to update the table of contents if titles are added or deleted. The specific steps are as follows: in the new style window, set the name, font, font size and other information of the style.