| Summary of supplemental information related to operating leases |
| | | | | | | As of December 31, | | | 2024 | | 2025 | | | RMB | | RMB | Operating lease right-of-use assets | | 71,223,350 | | 75,954,225 | | | | | | Operating lease liabilities—current (Note 10) | | 1,253,020 | | 3,187,599 | Operating lease liabilities—non-current | | 89,990 | | 3,956,501 | Total operating lease liabilities | | 1,343,010 | | 7,144,100 |
| | | | | | | | | For the Year Ended December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Cash paid for amounts included in the measurement of operating lease liabilities | | 7,711,479 | | 5,263,335 | | 4,119,863 | Right-of-use assets obtained in exchange for new operating lease liabilities | | 3,744,607 | | 1,144,700 | | 9,706,409 | Modification to right-of-use assets | | (5,217,099) | | — | | — |
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| Schedule of maturities of lease liabilities under the group's non-cancellable operating leases |
| | | | | As of December 31, 2025 | | | RMB | Within 1 year | | 3,365,974 | After 1 year but within 2 years | | 4,030,116 | Total undiscounted lease payment | | 7,396,090 | Less: Imputed interest | | (251,990) | Present value of lease liabilities | | 7,144,100 |
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