v3.25.1
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Finite-lived intangible assets:      
Gross carrying value ¥ 122,132,935   ¥ 156,814,563
Accumulated amortization 46,455,384   39,093,870
Net carrying value 75,677,551 $ 10,367,782 117,720,693
Trademarks [Member]      
Finite-lived intangible assets:      
Gross carrying value 21,129,394   21,129,394
Accumulated amortization 12,600,294   11,918,554
Net carrying value 8,529,100 1,168,482 9,210,840
Technology [Member]      
Finite-lived intangible assets:      
Gross carrying value 4,200,000   4,200,000
Accumulated amortization 2,310,000   1,890,000
Net carrying value 1,890,000 258,929 2,310,000
Network rights [Member]      
Finite-lived intangible assets:      
Gross carrying value 210,755   210,755
Accumulated amortization 209,550   209,550
Net carrying value 1,205 165 1,205
Purchased software [Member]      
Finite-lived intangible assets:      
Gross carrying value 29,279,182   24,888,810
Accumulated amortization 28,875,979   22,772,548
Net carrying value 403,203 55,239 2,116,262
Reacquired rights [Member]      
Finite-lived intangible assets:      
Gross carrying value 2,531,418   2,531,418
Accumulated amortization 2,024,376   1,868,033
Net carrying value 507,042 69,464 663,385
Others [Member]      
Finite-lived intangible assets:      
Gross carrying value 435,185   435,185
Accumulated amortization 435,185   435,185
Net carrying value
Da Niang Trademark [Member]      
Intangible asset with indefinite life:      
Gross carrying value 64,347,001   103,419,001
Accumulated amortization  
Net carrying value ¥ 64,347,001 $ 8,815,503 ¥ 103,419,001