Liu Ke according to the reference of Baidu Encyclopedia, the ending song of "Fire on the Avenue" is "Spark", which was written, composed and sung by Cui and released on September 15, 2023. Liu Ke, a Chinese mainland singer, was born in August 1967. He is party member of the Communist Party of China, with a postgraduate degree and a doctor of engineering. He is a professor-level senior engineer. He used to be the deputy mayor of Wuzhou Municipal People's Government, the deputy secretary, vice chairman and general manager of the Party Committee of guangxi traffic Investment Group Co., Ltd., the standing committee member and deputy mayor of Liuzhou Municipal Committee of Guangxi, and the secretary and chairman of the Party Committee of Guangxi Financing Guarantee Group Co., Ltd.