v3.25.1
Segment Reporting - Schedule of Revenues Disaggregated by Segment (Details)
 12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Revenue:        
Total revenue ¥ 1,343,440,196 $ 184,050,552 ¥ 1,627,257,689 ¥ 1,469,074,275
Franchised-and-managed restaurants [Member]        
Revenue:        
Total revenue 635,360,312 87,044,006 705,244,948 588,463,368
Wholesale and others        
Revenue:        
Total revenue 111,439,245 15,267,114 134,198,399 180,588,258
Operating Segments [Member]        
Revenue:        
Total revenue 1,343,440,196 184,050,552 1,627,257,689 1,469,074,275
Intersegment Eliminations [Member]        
Revenue:        
Total revenue [1] (1,707,841) (233,974) (6,284,350) (1,514,259)
Hotel business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 1,066,710,224 146,138,702 1,191,906,073 936,801,282
Hotel business [Member] | Operating Segments [Member] | Leased-and-operated hotels [Member]        
Revenue:        
Total revenue 437,521,898 59,940,254 490,924,060 338,506,220
Hotel business [Member] | Operating Segments [Member] | Franchised-and-managed restaurants [Member]        
Revenue:        
Total revenue 625,072,856 85,634,630 696,321,236 582,441,077
Hotel business [Member] | Operating Segments [Member] | Wholesale and others        
Revenue:        
Total revenue 4,115,470 563,818 4,660,777 15,853,985
Restaurant business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 278,437,813 38,145,824 441,635,966 533,787,252
Restaurant business [Member] | Operating Segments [Member] | Franchised-and-managed restaurants [Member]        
Revenue:        
Total revenue 10,287,456 1,409,376 8,923,712 6,022,291
Restaurant business [Member] | Operating Segments [Member] | Wholesale and others        
Revenue:        
Total revenue 109,031,616 14,937,270 135,821,972 164,958,264
Restaurant business [Member] | Operating Segments [Member] | Leased-and-operated restaurants [Member]        
Revenue:        
Total revenue ¥ 159,118,741 $ 21,799,178 ¥ 296,890,282 ¥ 362,806,697
[1] The inter segment eliminations mainly consist of labor services related to restaurant staff and prepared meals and frozen foods provided by restaurant business segment to hotel business segment.