2. After entering the document, select all the contents to be numbered, click "Start", then click "Paragraph" and then click "Code" to enter a new page.

3. Then select "Define a new encoding format". After entering the page, the default encoding style is "1, 2,3". Add before the coding format column 1 (add after 1) and delete the dot at the same time.

4. Finally, if the alignment mode is "Left Alignment", you can check the effect in the preview box and click "OK" after confirmation.