v3.26.1
Condensed Financial Information of the Parent Company - Schedule of Condensed Statements of Cash Flows (Details) - Parent Company [Member]
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Cash flows from operating activities:        
Net loss ¥ (130,930,401) $ (18,722,798) ¥ (37,391,312) ¥ (36,950,478)
Adjustments to reconcile net loss to net cash used in operating activities:        
Equity loss in subsidiaries, VIEs and VIEs’ subsidiaries 81,582,534 11,666,147 37,013,556 36,950,478
Share base payment 16,423,683 2,348,555
Changes in operating liabilities:        
Other receivables (57,693,075) (8,250,000)
Amount due from a related party (46,364,252) (6,630,000) 402,458 35,500
Accrued liabilities 349,655 50,000    
Amount due to a related party (437,958) (62,626)
Net cash provided by operating activities (137,069,814) (19,600,722) 24,702 35,500
Cash flows from investing activities:        
Payment for investment in a subsidiary (993,020) (142,000)
Net cash used in investing activities (993,020) (142,000)
Cash flows from financing activities:        
Net proceeds from IPO 163,932,614 23,442,051
Payment for deferred offering cost (23,876,547) (3,414,300)
Net cash provided by financing activities 140,056,067 20,027,751
Effect of exchange rate change (1,919,541) (274,491) (5,231)
Net increase in cash and cash equivalents 73,692 10,538 19,471 35,500
Cash and cash equivalents at beginning of the years 54,971 7,861 35,500
Cash and cash equivalents at end of the years ¥ 128,663 $ 18,399 ¥ 54,971 ¥ 35,500