Organization and Principal Activities (Details) - Schedule of Consolidated Statements of Cash Flow Activities - VIE [Member] ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	¥ 42,562	$ 5,995	¥ 155,897	¥ 70,255
Net cash used in investing activities	(42,554)	(5,994)	(122,236)	(250,714)
Net cash provided by (used in) financing activities	¥ 836	$ 118	¥ (198)	¥ 179,585

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 04
-Paragraph a
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
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-Topic 810
-SubTopic 10
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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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