v3.26.1
Income Tax Expense - Schedule of Movement of Valuation Allowance (Details) - CNY (¥)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Movement of Valuation Allowance [Abstract]      
At the beginning of year ¥ 12,183,421 ¥ 10,041,747 ¥ 9,116,290
Current year additions 6,492,530 8,090,197 2,096,152
Current year reversals (205,135) (3,884,082) (722,911)
Current year expiration of carry-forwards (335,678) (2,064,441) (447,784)
Net change in the valuation allowance 5,951,717 2,141,674 (925,457)
At the end of year ¥ 18,135,138 ¥ 12,183,421 ¥ 10,041,747