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CONVERTIBLE NOTES - Summary of Changes In Convertible Debt, Net of Unamortized Discount (Details)	12 Months Ended
	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Debt Instrument [Line Items]
Balance at January 1,	¥ 92,848,377
Issuance of convertible debt, face value	37,199,800
Debt discount from derivative liability (embedded conversion option)	(37,199,800)
Debt discount from extension fee	(2,940,840)
Deferred financing fees	(3,483,254)
Conversion of convertible debt into ordinary shares	(50,182,932)
Amortization of debt discount	16,607,603
Exchange rate change on convertible notes face value	8,135,104
Convertible debt, net at December 31,	60,984,058	$ 8,841,857	¥ 92,848,377
Convertible Notes Payable, Net
Debt Instrument [Line Items]
Exchange rate change on convertible notes face value	¥ 5,838,382		¥ (2,296,722)

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- Definition

Represent of Amortization Of Debt Discount.

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Amount of debt discount from derivative liability.

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- Definition

Amount of debt discount during the period from extension fee.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for office expenses. Used to reflect the Amount of increase decrease in convertible notes face value, exchange rate change.

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Amount issuance of convertible debt, face value.

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Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21538-112644

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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.

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

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