Toc is a tag-related structure.
In tw, when you want to create a child of the current tid. You need to copy the name of the current tid, first . Then create a new tid, then paste the parent title as tag. I think it is a little boring when the count of your children nodes become more and more.
I get this link:
https://giffmex.org/tw.adaptations/noteslam.online.html
hich much simplified this process. But I dont know how to use it in my tw. Any hint about this. Or If you have a better way to create a toc quickly plz let me know thank you.