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Net income/(loss) per share
 12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Net income/(loss) per share
19.Net income/(loss) per share

Basic and diluted net income/(loss) per share for each of the years presented are calculated as follow:


   Year ended December 31, 
   2018   2019   2020 
  

(in thousands of RMB, except share data and per share data)

 
Numerator:            
Net income/(loss) available to shareholders of the Company - basic and diluted   47,440    (219,404)   (410,985)
Denominator               
Weighted average number of ordinary shares - basic   45,626,027    48,391,607    55,661,445 
Effect of dilutive securities   1,371,748    -    10,180,575 
Dilutive effect of non-vested shares   46,997,775    48,391,607    65,842,020 
Denominator for diluted net (loss)/income per share               
Net income/(loss) - basic   1.04    (4.53)   (7.38)
Net income/(loss) - diluted   1.01    (4.53)   (6.24)