Hello, some Douyin broadcasters may use beauty filters or other things to beautify the characters. These functions may have a certain impact on the things behind them, so some deformation may occur, and the picture shown to the audience is different from the actual one. Beauty filters will automatically straighten curved objects and make dull objects brighter, especially facial lines, straight lines will become curves, if you hold a chopstick in your mouth, you will find that the chopstick is bent