Long Term Deposits and Other Assets (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of long term deposits and other assets

	As of December 31,
	2020		2021		2021
	RMB		RMB		USD
Rent deposits		572		418		66
Advertising deposits		810		734		115
Long term deposits and other assets		1,382		1152		181