[2] In February Wei competed at the WOGA Classic in the United States where she placed thirteenth in the all-around but recorded the third highest score on the balance beam.

[8] Wei was later selected to represent China at the inaugural Junior World Championships alongside Ou Yushan and Guan Chenchen.

Individually, Wei finished sixth in the all-around and won two medals in the event finals: silver on balance beam behind Elena Gerasimova and bronze on uneven bars behind Vladislava Urazova and Viktoria Listunova.

[10] In late January it was announced that Wei would make her senior debut at the Stuttgart World Cup taking place in March.

[14] In the all-around final, Wei improved her ranking from qualifications to win the silver medal behind Liu despite a fall on her acrobatic series on beam.

[16] Wei expressed satisfaction with her performance despite the fall on beam and said she hoped to learn the double-twisting Yurchenko (DTY) vault to improve her chances of making the Chinese team for the postponed 2020 Summer Olympics.

[17] Wei repeated her placements from qualifications in the event finals, placing sixth on uneven bars and winning silver on beam behind Guan.

In the uneven bars final Wei successfully competed her 6.6 difficulty level routine and received the silver medal after losing a tiebreak to fellow 2021 Worlds medalist Luo Rui with a score of 14.966.

[23] Wei competed at the postponed 2021 World University Games alongside Ou Yushan, Du Siyu, Luo Huan, and Zhang Jin; together they won team gold.