Yesterday the previewer was updated.,And then there was no typesetting in the chapters I posted.,I still found out by telling a book friend.。 Thanks to the book friend "wsv135412"

Then I found that this previewer can't be changed, and I can't change it by changing it, but it's okay to delete and resend it. So I deleted the previous three chapters and re-posted them. Thank you for any inconvenience you may have been made aware of