Ceng Zhiwei is a witch in ghost movies. What movie is it?

Detective Bao Li's "Ask M to Chase the Murder" (1994)

Director: Chen Xunqi

Screenwriter: Chen Xunqi/Wong Kar-wai/Chung-Sing Choh

Starring: Ceng Zhiwei/Weng Huide/Chen Xunqi

Country of manufacture: Hong Kong

Language: Cantonese

Also known as: Oh! Yes, sir! ! !

IMDb link: TT 0111166.