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Related Party Transactions (Details) - Schedule of Amounts Due from Related Parties ¥ in Thousands, $ in Thousands | Jun. 30, 2024 CNY (¥) | Jun. 30, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
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Youche Jingpin [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Amounts due from related parties | ¥ 20 | $ 3 | ¥ 20
Shanghai Youcang [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Amounts due from related parties | 100 | 13 | 111
Jia Li [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Amounts due from related parties | 248 | 35 |
Bingyi Zhao [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Amounts due from related parties | 38 | 5 | 11
Related Party [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Amounts due from related parties | ¥ 406 | $ 56 | ¥ 142

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