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

Related Party Transactions - Additional Information (Details)

v3.22.1
Related Party Transactions - Additional Information (Details) - CNY (¥)
1 Months Ended 5 Months Ended 12 Months Ended
Mar. 14, 2020
Jan. 31, 2022
Apr. 30, 2020
Dec. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
May 31, 2021
Nov. 30, 2020
Mar. 30, 2020
Mar. 05, 2020
RELATED PARTY TRANSACTIONS                    
Amounts due to a related party           ¥ 631,000        
Related parties debt extended maturity period           2021-09        
ApplySquare Education & Technology Co., Ltd. ("ApplySquare")                    
RELATED PARTY TRANSACTIONS                    
Expense incurred and paid to related party         ¥ 50,913          
Expense recorded and paid to related party         ¥ 275,967          
ApplySquare Education & Technology Co., Ltd. ("ApplySquare") | Subsequent Event                    
RELATED PARTY TRANSACTIONS                    
Related party contract value to develop sales delivering services and data services   ¥ 6,500,000                
Number of years charge of data and system maintenance services   1 year                
Affiliate Company | Purchase of Online Educational Platform Services                    
RELATED PARTY TRANSACTIONS                    
Cost of revenues           ¥ 115,968        
CEO, Director, Shareholder, and Mr. Xiaofeng Ma                    
RELATED PARTY TRANSACTIONS                    
Amounts due to a related party                   ¥ 431,000
CEO, Director, Shareholder, and Mr. Xiaofeng Ma | Muhua Shangce                    
RELATED PARTY TRANSACTIONS                    
Amounts due to a related party                 ¥ 200,000  
Mr. Xiaofeng Ma | Muhua Shangce                    
RELATED PARTY TRANSACTIONS                    
Amounts due to a related party           ¥ 500,000 ¥ 700,000 ¥ 500,000    
Related party interest rate terms         fourteen-month interest free ten-month interest-free        
Related party transactions derecognized         ¥ 1,200,000          
Mr. Xiaofeng Ma | Joint Liability Guarantee | Muhua Shangce                    
RELATED PARTY TRANSACTIONS                    
Related party debt     ¥ 3,000,000.0              
Annual interest rate     4.35%              
Shanghai Aixue Culture Communication Co., Ltd. | President | Huanqiuyimeng                    
RELATED PARTY TRANSACTIONS                    
Expenses prepaid on behalf of related party ¥ 672,254     ¥ 1,038,494            
Payment made from related party's operating expenses ¥ 483,902     1,037,126            
Due from related parties       ¥ 1,368