Long Term Deposits and Other Assets (Details) - Schedule of long term deposits and other assets ¥ in Thousands, $ in Thousands	Jun. 30, 2022 CNY (¥)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Schedule Of Long Term Deposits And Other Assets Abstract
Rent deposits	¥ 940	$ 140	¥ 418
Advertising deposits	269	40	734
Long term deposits and other assets	¥ 1,209	$ 180	¥ 1,152

Amount of consideration paid in advance for advertising that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320

Name:	us-gaap_PrepaidAdvertising
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant