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

SHARE-BASED COMPENSATION - Schedule of Compensation Expense Recognized for Non-vested Shares (Details)

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SHARE-BASED COMPENSATION - Schedule of Compensation Expense Recognized for Non-vested Shares (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Options      
SHARE-BASED COMPENSATION      
Total-share based compensation expense ¥ 1,550,137 ¥ 1,035,787 ¥ 552,409
Options | Cost of revenues      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 53,104 59,874 62,224
Options | Research and development      
SHARE-BASED COMPENSATION      
Total-share based compensation expense   4,785 6,944
Options | Sales and marketing      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 53,133 35,546 6,806
Options | General and administrative      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 1,443,900 935,582 476,435
Non-vested shares      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 1,517,904 423,968 487,563
Non-vested shares | Cost of revenues      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 21,722 29,057 27,806
Non-vested shares | Research and development      
SHARE-BASED COMPENSATION      
Total-share based compensation expense     3,692
Non-vested shares | Sales and marketing      
SHARE-BASED COMPENSATION      
Total-share based compensation expense 63,321 40,655 11,741
Non-vested shares | General and administrative      
SHARE-BASED COMPENSATION      
Total-share based compensation expense ¥ 1,432,861 ¥ 354,256 ¥ 444,324