PROPERTY AND EQUIPMENT, NET - Schedule of property and equipment, net (Details)

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PROPERTY AND EQUIPMENT, NET - Schedule of property and equipment, net (Details)	1 Months Ended
	May 31, 2022	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		¥ 66,063,591		¥ 69,022,636
Less: accumulated depreciation and amortization		(35,827,606)		(36,261,660)
Property and equipment, net		30,235,985	$ 4,258,649	32,760,976
Commercial Loan
PROPERTY AND EQUIPMENT, NET
Debt instrument term	2 years
Building
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		53,049,213		53,049,213
Computer equipment
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		2,729,055		2,842,992
Furniture, fixtures and office equipment
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		1,686,997		1,620,039
Motor vehicles
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		1,469,021		1,469,021
Software
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		1,565,195		1,565,195
Leasehold improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross		¥ 5,564,110		¥ 8,476,176

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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-Name Accounting Standards Codification
-Section S99
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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.

+ References

No definition available.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

PROPERTY AND EQUIPMENT, NET - Schedule of property and equipment, net (Details)