v3.25.1
Parent Company Only Condensed Financial Information - Schedule of Condensed Statements of Cash Flows (Details) - Parent Company [Member]
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Schedule of Condensed Statements of Cash Flows [Line Items]        
Net cash used in operating activities ¥ (5,660,966) $ (775,549) ¥ (12,424,134) ¥ (4,198,307)
Net cash provided by investing activities 101,781,775 13,944,046 (352,234,205) (156,276,810)
Net cash provided by financing activities 143,247,486 19,624,825 362,690,064 155,679,057
Effect of exchange rate changes on cash and cash equivalents and restricted cash 916,355 125,540 (396,838) (2,025,056)
Net decrease in cash and cash equivalents and restricted cash 240,284,650 32,918,862 (2,365,113) (6,821,116)
Cash and cash equivalents and restricted cash at the beginning of the year 13,423,750 1,839,046 15,788,863 22,609,979
Cash and cash equivalents and restricted cash at the end of the year ¥ 253,708,400 $ 34,757,908 ¥ 13,423,750 ¥ 15,788,863