Wu Qinglong and Tao Zhe cooperated in 2009. In 2009, Wu Qinglong and Tao Zhe collaborated on a golden song "Unrequited Love". Secret Love is a song sung by Tao Zhe, written by a doll and composed by Tao Zhe and Wu Qinglong. It is included in the album 69 Movements released by Tao Zhe in 2009. In 2009, after the release of this song, it was nominated for the top ten hottest songs of Baidu Entertainment.