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Person in charge: Sky Tianyi Han（1Hour）
participant:
Sky Tianyi Han (2 hours), Fengshuo Guo (2 hours)
Fengnian Guo (2 hours), Michael Yang (2 hours)
yuanduo li (2 hours), Chenkai Gu (2 hours)
Hanzhi li (2 hours), Jason Jiang (2 hours)