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Short-Term Investments (Tables)
12 Months Ended
Dec. 31, 2021
Short-term Investments [Abstract]  
Summary of Short-Term Investment
 
  
As of December 31,
 
 
  
2020
 
  
2021
 
 
  
RMB
 
  
RMB
 
Wealth management products
     536,401        884,996