Summary of Principal Accounting Policies - Schedule of Reconciliations of Assets and Liabilities (Details) - Fair Value, Recurring [Member] - Level 3 [Member] |
Dec. 31, 2024
CNY (¥)
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
CNY (¥)
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Dec. 31, 2022
CNY (¥)
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| Schedule of Reconciliations of Assets and Liabilities [Line Items] | ||||
| Net unrealized fair value change recognized in other comprehensive (loss) income | ¥ 6,000 | ¥ (2,934) | ||
| Balance (in Dollars) | ¥ 103,709,272 | $ 14,208,112 | ¥ 103,703,272 | ¥ 103,706,206 |
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- Definition Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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