Income Taxes - Schedule of Deferred Tax Assets (Details) - CNY (¥) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Schedule of Deferred Tax Assets [Abstract] | ||
| Net operating loss carryforward | ¥ 118,846,734 | ¥ 98,783,665 |
| Accrued expense and others | (3,698,621) | 9,688,509 |
| Inventory impairment | 50,576,626 | 50,475,875 |
| Deferred tax assets | 165,724,739 | 158,948,049 |
| Less: valuation allowance | (165,724,739) | (158,948,049) |
| Deferred tax assets |
| X | ||||||||||
- Definition Amount of deferred tax liability accrued expense and others. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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