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Prepayment for Acquisition (Details)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Jul. 05, 2023
Dec. 31, 2022
CNY (¥)
Jun. 27, 2022
Prepayment for Acquisition [Line Items]          
Prepaid expenses non current   ¥ 3,596,823  
Amount invest ¥ 4,500,000        
Investment interest rate 13.50% 13.50% 10.512%   10.512%
Bad debt allowance of include interest ¥ 3,845,273 $ 542,911 [1]   [1]  
[1] The balance represents the principal and interests of the loan to Shenzhen Expecs Technology Co., Ltd. Refer to Note 8 for details.