There, he and his teammates Yong Zhiwei and Qi Kaiyao powered past the Malaysian side in straight sets (6–0) to capture the men's team recurve title.

[3] On that same season, he and his compatriots Yong and Xing Yu confidently knocked out the Canadians 6–0 towards their golden finish in the men's team recurve at an Olympic test event in Rio de Janeiro.

[4] Gu was selected to compete for the Chinese squad at the 2016 Summer Olympics in Rio de Janeiro, shooting in both individual and team recurve tournaments.

[5] First, he recorded 670 points out of a possible 720 to lead the Chinese threesome for the seventeenth seed heading to the knockout stage, along with an aggregate score of 1,997 produced by the trio in the classification round.

[6] Sitting at sixth in the men's team recurve, Gu, along with Xing and Wang Dapeng, scored an upset 6–0 victory over the defending champion Italy in the quarterfinals, before they dropped the semifinal match to the Americans with a 2–6.