According to the characters in Xu Shanchuan and Shen Xiaoying's novel Echo, we can know that Xu Shanchuan and Shen Xiaoying are a couple in name only. In the play, Xu Shanchuan likes Xia Bingqing, but for the sake of the children, he didn't propose to divorce Shen Xiaoying, but he didn't know that while cheating outside, Shen Xiaoying also cheated on the gym coach. Shen Xiaoying is not his daughter, but a gym coach.

Echo is a novel written by the author in the east and west. It was first published in People's Literature 202 1 third issue, and first published in People's Literature 202 1 sixth issue.