[1] He was promoted to Beijing Sinobo Guoan's first team squad by manager José González in 2017.
[2] On 19 May 2018, he made his senior debut in a 2–0 away win over Changchun Yatai.
[3] Beijing Guoan manager Roger Schmidt named Guo as number one in the rest of the season.
He played 22 matches in his debut season and won 2018 Chinese FA Cup title with Guoan.
[4] Guo received his first call up for the China national football team by manager Marcello Lippi for the training camp of 2019 AFC Asian Cup.