Was Rao Xueman's 'Hourglass' made into a movie?

Rao Xueman's " Hourglass " had been nominated for a screenplay, but it was not made into a movie. The novel is a story about love, youth and growth. The plot is compact and infectious, which is very popular among readers. However, Rao Xueman's other works such as " Left Ear " and " Slightly " had already been made into movies or TV series and were loved by the audience.