How does word add a directory to the original directory?

Click the directory location directly, and then click Update Directory. Let me demonstrate the detailed operation steps below? (ゝω? )

(Computer model: HP Shadow Wizard 8Pro, software and version number: WPS11.1.0.13703)

1. Open the Word document whose table of contents needs to be updated.

2. Click the directory location, and then click Update Directory.

3. After the prompt pops up, select Update the whole directory, and then click OK.

Then you can get the updated catalogue.

The above is a tutorial for word to add a directory under the original catalogue. Why not try what you have learned? *(ˊ? ˋ*)*?