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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Summary of Estimated Useful Lives of Class of Asset
 
 
 
 
 
 
Category
   Estimated Useful Life    Estimated Residual Value
Office and electronic equipment
  
3-5
years
   5%
Motor vehicles
   4 years    5%
Leasehold improvements
   Over the shorter of the expected life of     
     leasehold improvements or the lease term    Nil