v3.26.1
Income Taxes - Schedule of Deferred Tax Balances (Details) - CNY (¥)
Jun. 30, 2026
Dec. 31, 2025
Deferred tax assets:    
Provision for expected credit losses ¥ 9,196,196 ¥ 133,501,610
Net operating losses carried forward 88,484,927 87,029,952
Excess marketing and advertising expense 2,357,152 2,357,152
Valuation allowance (99,878,778) (222,729,217)
Deferred tax assets, net ¥ 159,497 ¥ 159,497