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v3.25.1

Subsequent events (Details Narrative) - CNY (¥) | 1 Months Ended |
--- | --- | ---
Mar. 25, 2025 | Oct. 11, 2024
Subsequent Event [Line Items] |  |
Principal amount |  | ¥ 25,000,000
Aggregate purchase price |  | ¥ 23,000,000
Subsequent Event [Member] |  |
Subsequent Event [Line Items] |  |
Conversion of convertible notes | 34,878,261 |
Subsequent Event [Member] | Class A Ordinary Shares [Member] |  |
Subsequent Event [Line Items] |  |
Additional shares | 40,000 |
Subsequent Event [Member] | Restricted Class A Ordinary Shares [Member] |  |
Subsequent Event [Line Items] |  |
Additional shares | 1,810,658 |
Subsequent Event [Member] | Class B Ordinary Shares [Member] |  |
Subsequent Event [Line Items] |  |
Additional shares | 44,878,261 |

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