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Intangible assets, net
12 Months Ended
Dec. 31, 2022
Intangible assets, net  
Intangible assets, net

10. Intangible assets, net

Intangible assets, net consisted of the following:

    

As of December 31,

    

2021

    

2022

RMB

RMB

Software

69,732

93,861

Less: accumulated amortization

(38,706)

(57,172)

Intangible assets, net

31,026

 

36,689

Amortization of intangible assets was allocated as follows:

Year ended December 31,

   

2020

   

2021

   

2022

RMB

RMB

RMB

Cost of revenues

96

77

Selling and marketing expenses

 

1,027

876

 

257

General and administrative expenses

 

2,535

5,845

 

9,590

Research and development expenses

 

16,820

15,077

 

12,721

Total amortization

 

20,478

21,875

 

22,568

The estimated amortization for existing intangible assets in each of the next five years is RMB20,202, RMB11,356, RMB5,131, nil and nil, respectively.