| Schedule of company's share options activities |
| | | | | | | | | | | | | | | Weighted | | Weighted | | Weighted | | | | | | | Average | | Average | | Average | | Aggregated | | | Number of | | Exercise | | Remaining | | Grant-date | | intrinsic | | | Options | | Price | | Contractual life | | Fair Value | | value | | | | | US$ | | | | US$ | | RMB | Outstanding on January 1, 2023 | | 20,554,900 | | 0.11 | | 8.09 | | 0.49 | | 283,331 | Granted | | 2,984,900 | | 0.28 | | | | 2.14 | | | Exercised | | (6,994,625) | | 0.36 | | | | 0.40 | | | Forfeited | | (1,610,200) | | 0.20 | | | | 1.29 | | | Outstanding on December 31, 2023 | | 14,934,975 | | 0.14 | | 6.95 | | 0.76 | | 271,425 | Vested and exercisable on December 31, 2023 | | 2,896,945 | | 0.10 | | 6.44 | | 0.39 | | | | | | | | | | | | | | Outstanding on January 1, 2024 | | 14,934,975 | | 0.14 | | 6.95 | | 0.76 | | 271,425 | Granted | | 8,517,000 | | 0.32 | | | | 2.65 | | | Forfeited | | (985,700) | | 0.25 | | | | 1.84 | | | Outstanding on December 31, 2024 | | 22,466,275 | | 0.20 | | 7.51 | | 1.43 | | 501,656 | Vested and exercisable on December 31, 2024 | | 10,098,860 | | 0.11 | | 6.11 | | 0.49 | | | | | | | | | | | | | | Outstanding on January 1, 2025 | | 22,466,275 | | 0.20 | | 7.51 | | 1.43 | | 501,656 | Granted | | 2,409,800 | | 0.40 | | | | 2.18 | | | Exercised | | (361,212) | | 0.17 | | | | 1.07 | | | Forfeited | | (958,250) | | 0.29 | | | | 2.25 | | | Outstanding on December 31, 2025 | | 23,556,613 | | 0.22 | | 6.74 | | 1.48 | | 543,708 | Vested and exercisable at December 31, 2025 | | 13,982,607 | | 0.14 | | 5.58 | | 0.82 | | |
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| Schedule of changes in the RSUs relating to ordinary shares granted |
| | | | | | | | | Weighted-average | | | Number of RSUs | | grant date fair value | | | | | US$ | Awarded and unvested as of January 1, 2025 | | — | | — | Granted | | 2,798,862 | | 3.34 | Vested | | (19,614) | | 4.34 | Awarded and unvested as of December 31, 2025 | | 2,779,248 | | 3.34 |
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| Schedule of company's activities of restricted shares |
| | | | | Number of Shares | Unvested on January 1, 2023 | | 50,000,000 | Granted | | — | Vested | | (25,000,000) | Unvested on December 31, 2023 | | 25,000,000 | | | | Unvested on January 1, 2024 | | 25,000,000 | Granted | | — | Vested | | (25,000,000) | Unvested on December 31, 2024 | | — |
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| Schedule of share-based compensation recognized in operating expenses |
| | | | | | | | | For the year ended December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Operations and support | | — | | 29 | | 39 | Selling and marketing expenses | | 1,779 | | 14,222 | | 13,520 | General and administrative expenses | | 29,719 | | 34,404 | | 37,674 | Research and development expenses | | 5,612 | | 15,362 | | 23,086 | Total | | 37,110 | | 64,017 | | 74,319 |
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