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ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS (Details)
1 Months Ended 12 Months Ended
Jun. 26, 2020
item
$ / shares
shares
May 21, 2020
USD ($)
item
$ / shares
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2022
CNY (¥)
Y
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Y
shares
Jun. 30, 2020
CNY (¥)
Jun. 30, 2022
USD ($)
Y
Jun. 30, 2021
USD ($)
Y
shares
Jun. 14, 2021
Y
shares
Jun. 30, 2020
USD ($)
$ / shares
shares
Class of Warrant or Right [Line Items]                      
Number of offerings | item 2 2                  
Number of warrants to purchase ordinary shares | shares   911,112                 1,680,000
Exercise price of warrants (in dollars per share) | $ / shares $ 1.25 $ 2.25                 $ 1.25
Fair value of warrants | $   $ 1,689,389           $ 27,030,000 $ 34,860,000   $ 1,639,333
Fair value of the warrant liability       ¥ 16,677,328   ¥ 190,635,850   $ 2,490,000 $ 29,520,000    
Fair value changes of warrants liability       ¥ (174,485,575) $ (26,051,481) ¥ (35,365,792) ¥ 0        
Class A ordinary shares                      
Class of Warrant or Right [Line Items]                      
Number of warrants to purchase ordinary shares | shares 1,680,000 911,112       8,814,102     8,814,102 6,014,102  
Fair value changes of warrants liability | $     $ 5,340,000                
Risk-free interest rate                      
Class of Warrant or Right [Line Items]                      
Warrants outstanding, measurement input   0.40   3.00   0.95   3.00 0.95 0.90 0.35
Warrant life                      
Class of Warrant or Right [Line Items]                      
Warrants outstanding, measurement input | Y       4.46   5.46   4.46 5.46 5.50  
Warrants and rights outstanding, term   5 years 6 months                 5 years 6 months
Volatility                      
Class of Warrant or Right [Line Items]                      
Warrants outstanding, measurement input   99.50   109   111   109 111 111 104.26
Expected dividend yield                      
Class of Warrant or Right [Line Items]                      
Warrants outstanding, measurement input   0                 0