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Summary of Significant Accounting Policies - Property and equipment, net (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2020
CNY (¥)
Property, Plant and Equipment [Line Items]        
Loss from disposal of furniture, fixture and equipment ¥ (22) $ (3) ¥ (81) ¥ (1,453)
Real estate property.        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 14 years 14 years    
Technology Equipment | Minimum        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 3 years 3 years    
Technology Equipment | Maximum        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 6 years 6 years    
Furniture, fixture and other equipment | Minimum        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 3 years 3 years    
Furniture, fixture and other equipment | Maximum        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 5 years 5 years    
Motor Vehicles        
Property, Plant and Equipment [Line Items]        
Estimated useful lives 5 years 5 years