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Revenue - Schedule of Revenue (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Revenue [Line Items]      
Total revenues ¥ 1,391,157,811 ¥ 1,560,005,807 ¥ 1,011,063,766
Sales of Food, Beverage and Packaged Products by Company Owned and Operated Stores [Member]      
Schedule of Revenue [Line Items]      
Total revenues 1,188,292,854 1,389,640,747 938,096,823
Franchise Fees [Member]      
Schedule of Revenue [Line Items]      
Total revenues 24,214,820 15,443,024 4,537,599
Revenues from Other Franchise Support Activities [Member]      
Schedule of Revenue [Line Items]      
Total revenues 149,457,775 66,878,149 18,965,417
Revenues from Wholesale Activities [Member]      
Schedule of Revenue [Line Items]      
Total revenues 20,585,161 27,204,236 6,533,166
Revenue from E-Commerce Sales [Member]      
Schedule of Revenue [Line Items]      
Total revenues 808,861 59,067,398 41,635,451
Revenues from Other Activities [Member]      
Schedule of Revenue [Line Items]      
Total revenues ¥ 7,798,340 ¥ 1,772,253 ¥ 1,295,310