1. Problems with conversion tools or settings: Some conversion tools or settings may cause confusion of page numbers in the table of contents, such as header and footer settings, margins, printing settings, etc. Try changing the conversion tool or resetting the conversion options, and then try to convert the Word document to PDF format again.

2. First, in the open document, select the first-level title, and click Other in the font format. If the original title format is messy, click Clear Format. Create a new style-select the title 1 in the new style, and the font type, text size and alignment are all set according to the requirements of the article. As shown in the figure.

3. Step 1: Open Word, put the cursor in the directory, and the directory background turns gray, as shown below, and enter the following steps. Step 2: After completing the above operations, click the "Update Directory" button in the menu bar above, as shown below, and enter the following steps.

4. First select the Word document, and double-click to open it. Secondly, in this interface, find the content to be typeset. Then in this interface, typeset the content to be typeset. Secondly, in this interface, click the "Reference" tab in the top toolbar. Then in this interface, click the "Update Directory" button.

5. In Directory-Right Click-Update Domain-Update the whole directory. If you are wrong, it is your own problem.

6. In word, click Reference-Contents-Custom Contents to open the dialog box, and select the contents tab page. Dialog box can set the table of contents format, including whether to display page number, alignment, leader, etc. Locate the Modify button in the lower right corner. Pop-up style dialog box.