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Other non-current Assets - Schedule of Other Non-current Assets (Detail)
¥ in Thousands, $ in Thousands
Mar. 31, 2021
USD ($)
Mar. 31, 2021
CNY (¥)
Mar. 31, 2020
CNY (¥)
Other Assets, Noncurrent Disclosure [Abstract]      
Deposits   ¥ 3,767 ¥ 3,076
Long-term loans receivable   344 0
Deferred initial public offering related costs   0 7,943
Total $ 627 ¥ 4,111 ¥ 11,019