Azur stems from the movie "Never Give Up". In this film, Daniel Wu plays a villain. When he was finally surrounded, his partner said, "Azur, stop, there are policemen outside", which made the Internet popular.

"Never Give Up" is an action film directed by Chen Musheng, and it is the fifth in the series "Never Give Up".

The film tells the story of police legend Yung, who became increasingly negative after being killed by a criminal group headed by Zu because of carelessness. Later, with the help of Feng's stimulation, he regained his courage and finally successfully solved the case.