'Have A Nice Day' trivia and fun facts
Bas tittle
At the press conference for the movie's world premiere in Berlin, Jian Liu mentioned that he was not completely happy with the Chinese title the movie premiered with, "Hao jile" ("Excellent"), and was more proud of the English title he had given it, "Have a Nice Day", feeling it particularly appropriate because it alludes to how the events of the whole movie all occur within 24 hours.
Animations
Almost all the animations of this film were done by Jian Liu oneself.
Voice work
The voice cast is made up of nonprofessional friends of Jian Liu from Nanjing, many of them artists or workers in animation, and most dialogue is in the local dialect of the city.
Work hard
Made by Jian Liu across five years, from 2013 to 2017.
Prohibited movie
Selected to have its French premiere in competition for the Cristal for a Feature Film at the Annecy International Animation Film Festival in 2017. However, the Chinese government requested that the work be withdrawn from the festival. Initially resistant, after a request to withdraw it was also made personally by producer Cheng Yang, the organizers of the festival decided to acquiesce to the request out of concern for the safety of Yang, Jian Liu and their collaborators.