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Prepaid Expenses and Other Current Assets, Net - Schedule of Prepaid Expenses and Other Current Assets, Net (Details) ¥ in Thousands, $ in Thousands | Jun. 30, 2025 CNY (¥) | Jun. 30, 2025 USD ($) | Dec. 31, 2024 CNY (¥)
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Schedule of Prepaid Expenses and Other Current Assets, Net [Abstract] |  |  |  |
Deductible input tax |  | ¥ 5,689 |  | ¥ 4,355
Prepaid expenses | [1] | 823 |  | 1,504
Deposits |  | 293 |  | 106
Receivable from third party |  | 2,723 |  | 5,490
Others |  | 93 |  | 160
Subtotal |  | 9,621 |  | 11,615
Less: Allowance for credit losses | [2] | (546) |  | (546)
Total prepaid expenses and other current assets, net |  | ¥ 9,075 | $ 1,267 | ¥ 11,069
[1] | Prepaid expenses mainly represent prepaid commissions for promotion services, rent, communication expenses, maintenance premiums, and other expenses related to the daily operation of the enterprise.
[2] | The credit loss provision primarily includes advertising expenses that cannot be recovered and compensation claims. No additional provision was made for six months ended June 30, 2024 and 2025.

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