Announcement

It is not enough to update every day, and my writing ability is limited. I feel that I can't write anymore and I can't control the rhythm.

At the same time, my knowledge reserve is limited. There are too many materials to search, and I can't take care of my school affairs, so I have to stop updating this book. Sorry.

Some book friends still want to read it, so I won't finish it. I will start to update it randomly. I will put it in the free. (But don't scold me if it's free)