there is no button of "update" or "review" to edit the stock sale. how do I edit the stock sale?

Have you tried this yet?

Enter/Edit/Delete Stock here:

1. Open your return (if not already open)
2. Enter "stock" in the Search box.
3. Click on "jump to stock" link.
4. You should land on your Investment Income summary page where you can add/edit/delete your information.