v3.25.1
Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2024
Earnings (Loss) Per Share [Abstract]  
Schedule of Basic and Diluted Earning Per Share

Basic and diluted earnings (loss) per share for each of the years presented is calculated as follows:

 

   Year Ended December 31, 
   2022   2023   2024   2024 
   RMB   RMB   RMB   USD 
Numerator:                
Net (loss) income used in calculating earnings per share-basic and diluted   (425,153,181)   269,316,308    110,002,230    15,070,246 
Denominator:                    
Weighted average number of Class A ordinary shares outstanding used in calculating basic and diluted earnings per share   68,201,056    67,321,003    66,776,243    66,776,243 
Weighted average number of Class B ordinary shares outstanding used in calculating basic and diluted earnings per share   34,762,909    34,762,909    34,762,909    34,762,909 
Allocation of undistributed (loss) earnings — basic and diluted:                    
To Class A Shares   (281,612,076)   177,605,302    72,341,905    9,910,802 
To Class B Shares   (143,541,105)   91,711,006    37,660,325    5,159,444 
Basic and diluted (loss) earnings per share:                    
To Class A Shares   (4.13)   2.64    1.08    0.15 
To Class B Shares   (4.13)   2.64    1.08    0.15