How WPS automatically generates catalogs

We first open the document, we can see "Heading 1 Heading 2 Heading 3" in the upper left corner, we select one, and then enter a title name.

Here is an example, such as the table of contents from top to bottom is the first chapter of the second section, then we "chapter One" to select the title entry, "First and second section" on the choice of title second input.

Then we click on "Reference" and click "Insert Directory"

In directory settings, select a good symbol type, display level, and so on, click OK.

The catalog is automatically generated!