Bookmarks are sorted by serial number, year, month, day, page number and words learned. In this way, write down the stages of daily study. If a day really can't last, then the date of that day must be blank, and it must be made up in time in the future, so that you can monitor your learning process through visual methods. When you get into the habit of writing every day, you don't have to say "persistence", because the habit will take you forward.
The attached picture is a bookmark I made when I was reading, for reference only.