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Property, equipment and software, net - Summary of property, equipment and software, net (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
--- | --- | --- | ---
Property, Plant and Equipment [Line Items] |  |  |
Total property, equipment and software |  | ¥ 12,654 | ¥ 27,645
Less: accumulated depreciation - Furniture, electronic equipment and vehicles |  | (4,434) | (3,314)
accumulated amortization - Vehicles |  | (193) | (188)
accumulated amortization - Software |  | (809) | (3,435)
accumulated amortization - Leasehold improvement |  | (1,510) | (348)
Property, equipment and software, net | $ 875 | 5,708 | 20,360
Furniture and electronic equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Total property, equipment and software |  | 6,373 | 5,398
Vehicles |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Total property, equipment and software |  | 296 | 425
Software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Total property, equipment and software |  | 1,516 | 18,948
Leasehold improvement |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Total property, equipment and software |  | ¥ 4,469 | ¥ 2,874

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