EXHIBIT A

SCHEDULE OF TRANSACTIONS

GGV Capital V L.P.
Sale Date	ADSs Sold (1)		Weighted Average Price Per ADS		Low Price Per ADS		High Price Per ADS
10/20/2020		129,909	$	31.5520	$	30.74	$	32.42
10/21/2020		118,599	$	31.3407	$	30.44	$	32.55
10/22/2020		99,687	$	28.2561	$	27.60	$	30.28
10/23/2020		96,460	$	27.6342	$	27.02	$	28.48
10/26/2020		73,560	$	26.6267	$	26.14	$	28.14
11/4/2020		96,460	$	31.4165	$	30.12	$	33.13
11/5/2020		96,460	$	31.4718	$	30.81	$	34.85
11/6/2020		96,460	$	31.0881	$	31.42	$	34.74
Total		807,595

GGV Capital V Entrepreneurs Fund L.P.
Sale Date	ADSs Sold (1)		Weighted Average Price Per ADS		Low Price Per ADS		High Price Per ADS
10/20/2020		4,317	$	31.5505	$	30.74	$	32.42
10/21/2020		4,353	$	31.3392	$	30.44	$	32.55
10/22/2020		3,659	$	28.2544	$	27.60	$	30.28
10/23/2020		3,540	$	27.6325	$	27.02	$	28.48
10/26/2020		766	$	26.6183	$	26.14	$	28.14
11/4/2020		3,540	$	31.4148	$	30.12	$	33.13
11/5/2020		3,540	$	31.4701	$	30.81	$	34.85
11/6/2020		3,540	$	31.0864	$	31.42	$	34.74
Total		27,255

(1) Each ADS represents 2 Class A ordinary shares.