According to Weibo's inquiry, Gu Jiangshan and Jin Xian are both domestic voice actors, and they have cooperated twice. The first time was in the online drama Answer blows with blows on 20 17, in which Gu Jiangshan voiced Gu Qingpei and Jin Xian voiced Yuan Yang. Based on Shui Qiancheng's novel of the same name, this online drama mainly tells the story of two protagonists from tit-for-tat to hand in hand. The dubbing performances of Gu Jiangshan and Jin Xian were excellent, and they were recognized by many audiences. The second time was the radio drama "A tooth for a tooth" in 2020. Gu Jiangshan and Jin Xian cooperated again and continued to voice Pei He. This radio drama, written and supervised by Shui Qiancheng, tells the story of two people who are attracted to each other and love each other and kill each other in the modern workplace environment. The dubbing performances of Gu Jiangshan and Jin Xian once again won the audience's love and praise.