Long Term Deposits and Other Assets (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of long term deposits and other assets

	As of December 31,
	2019		2020		2020
	RMB		RMB		USD
Rent deposits		392		572		88
Advertising deposits		2,369		810		124
Long term deposits and other assets		2,761		1,382		212