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
9/29/2020		40,721	$	18.7552	$	18.25	$	19.28
9/30/2020		30,775	$	19.0090	$	18.66	$	19.66
10/7/2020		67,514	$	22.9510	$	22.60	$	23.56
10/8/2020		66,822	$	22.9895	$	22.80	$	23.30
10/9/2020		289,380	$	26.2035	$	23.74	$	27.05
10/12/2020		174,104	$	27.2831	$	26.59	$	28.45
10/13/2020		122,065	$	26.7669	$	26.11	$	28.44
Total		791,381

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
9/29/2020		1,495	$	18.7510	$	18.25	$	19.28
9/30/2020		1,129	$	19.0034	$	18.66	$	19.66
10/7/2020		2,478	$	22.9485	$	22.60	$	23.56
10/8/2020		2,453	$	22.9869	$	22.80	$	23.30
10/9/2020		10,620	$	26.2029	$	23.74	$	27.05
10/12/2020		6,390	$	27.2821	$	26.59	$	28.45
10/13/2020		4,480	$	26.7655	$	26.11	$	28.44
Total		29,045

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