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Accrued Expenses and Other Current Liabilities (Tables)
12 Months Ended
Jun. 30, 2021
Payables and Accruals [Abstract]  
Schedule of accrued expenses and other current liabilities
   June 30,   June 30, 
   2021   2020 
Salary and reimbursement payable  $407,118   $795,855 
Professional fees payable   64,118    629,524 
Credit card payable   19,457    217,940 
Others   39,084    
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Total  $529,777   $1,643,319