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Parent-Only Financial Statements (Details) - Schedule of Condensed Statements of Cash Flows - Parent [Member] | 12 Months Ended
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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

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