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Parent-Only Financial Statements (Details) - Schedule of Condensed Statements of Cash Flows - Parent [Member]
12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Condensed Cash Flow Statements, Captions [Line Items]        
Net cash provided by (used in) operating activities ¥ 344,012 $ 48,571 ¥ 3,911,561 ¥ (535,017)
Net cash used in investing activities (68,918,960) (9,730,605) (155,900,936) (201,554,446)
Net cash provided by financing activities 72,802,734 10,278,952 144,043,186 201,251,124
Effect of exchange rate changes on cash and cash equivalents (3,047,562) (430,284) 7,883,387 926,910
Net increase (decrease) in cash and cash equivalents 1,180,224 166,634 (62,802) 88,571
Cash and cash equivalents at beginning of the year 25,769 3,639 88,571
Cash and cash equivalents at end of the year ¥ 1,205,993 $ 170,273 ¥ 25,769 ¥ 88,571