v3.22.2.2
Taxation recognized in statement of operations and comprehensive loss (Details)
¥ in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2021
USD ($)
Income Tax Expense (Benefit), Continuing Operations [Abstract]        
Deferred tax       $ 516
Income tax expense ¥ 0 $ 0 ¥ (516) $ 516