SHARE-BASED COMPENSATION (Tables)
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12 Months Ended |
Dec. 31, 2025 |
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| SHARE-BASED COMPENSATION |
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| Summary of the share options activities |
| | | | | | | | | | | | | | | Weighted | | | | | | | Weighted | | average | | | | | | | average | | remaining | | Aggregate | | | Number of | | exercise | | contractual | | intrinsic | | | shares | | price | | years | | value | | | | | US$ | | | | US$ | Outstanding at January 1, 2025 | | 3,753,328 | | 2.45 | | 3.65 | | 792,578 | Exercised | | (115,220) | | 0.20 | | — | | — | Expired | | (140) | | 0.20 | | — | | — | Outstanding at December 31, 2025 | | 3,637,968 | | 2.52 | | 2.72 | | 1,347,928 | Exercisable as of December 31, 2025 | | 3,637,968 | | 2.52 | | 2.72 | | 1,347,928 |
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| Summary of the restricted share units activities |
| | | | | | | | | Weighted | | | | | average grant | | | Number of | | date fair | | | shares | | value | | | | | US$ | Unvested as of January 1, 2025 | | 2,753,342 | | 2.05 | | | | | | Granted | | 6,339,600 | | 0.89 | Vested | | (1,023,514) | | 3.11 | Forfeited | | (398,900) | | 1.15 | | | | | | Unvested as of December 31, 2025 | | 7,670,528 | | 1.00 |
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| Schedule of share-based compensation expenses recognized |
| | | | | | | | | For the Year Ended | | | December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Cost of revenues | | 1,237,902 | | 751,445 | | 858,055 | Selling and marketing expenses | | 9,991,688 | | 7,110,420 | | 5,396,473 | Research and development expenses | | 21,653,946 | | 7,325,327 | | 9,890,499 | General and administrative expenses | | 14,775,768 | | 9,045,786 | | 11,586,370 | Total share-based compensation expense | | 47,659,304 | | 24,232,978 | | 27,731,397 |
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| Employee Stock Option |
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| SHARE-BASED COMPENSATION |
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| Schedule of share-based compensation expenses recognized |
| | | | | For the Year Ended | | | December 31, | | | 2023 | | | RMB | Selling and marketing expenses | | 905,764 | Research and development expenses | | 2,191,242 | General and administrative expenses | | 3,047,542 | Total share options compensation expenses | | 6,144,548 |
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| Unvested restricted share units |
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| SHARE-BASED COMPENSATION |
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| Schedule of share-based compensation expenses recognized |
| | | | | | | | | For the Year Ended | | | December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Cost of revenues | | 1,237,902 | | 751,445 | | 858,055 | Selling and marketing expenses | | 9,085,924 | | 7,110,420 | | 5,396,473 | Research and development expenses | | 19,462,704 | | 7,325,327 | | 9,890,499 | General and administrative expenses | | 11,728,226 | | 9,045,786 | | 11,586,370 | Total restricted share units compensation expenses | | 41,514,756 | | 24,232,978 | | 27,731,397 |
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