Jiang Xiaoyu once said that she was an angel who was punished to the human world because she made a mistake. All the suffering she suffered in the human world was God's punishment for her. One day, God forgives her and she will go back. Therefore, if one day she suddenly disappears and you don't look for her, she must have returned to heaven.
Gu Chuan thought that God had finally forgiven her and she had finally returned to heaven.