Ask for the title of a children's adventure novel

I think you mean The Adventures of Tom Sawyer.

Introduction: Tom lost his mother when he was a child and was adopted by menstruation. Clever and naughty Tom can't stand the discipline of menstruation and school teachers, and often plays truant and gets into trouble. Late one night, he and his good friend Huck went to the cemetery to play and accidentally witnessed a murder. Afraid that the murderer would find out that they knew about it, they fled to a desert island with Qiao Qi and Huck. People thought they were drowned, but they appeared at the memorial service held for them. After fierce ideological struggle, Tom finally bravely stood up and testified against the murderer. Soon after, on a camping trip, he and Betsy got lost in the cave. They were hungry and cold for three days and nights, facing the threat of death ... Finally, they went out of the cave and joined their relatives. After that, the hole was sealed. Tom said there was a fugitive in the cave, Joe! Joe had been dead for many days when the villagers found him in the cave. Finally, Tom and Huck went back to the cave and finally found the gold coins buried by Joe.