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Operating Leases - Schedule of Operating Leases (Details) - CNY (¥)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Operating Leases [Line Items]
Operating lease cost	¥ 2,600,988	¥ 6,051,298	¥ 11,385,312
Short-term lease cost	429,324	198,306	295,564
Total lease cost	3,030,312	6,249,604	11,680,876
Operating cash flows for operating leases	¥ 2,360,943	¥ 4,648,690	¥ 5,822,406
Weighted average remaining lease term of operating leases (years)	3 years 3 months 3 days	3 years 6 months 10 days
Weighted average discount rate of operating leases	6.24%	6.24%

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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