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Property, Equipment and Software, Net - Additional Information (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expenses ¥ 9,327 ¥ 7,174 ¥ 11,511
Impairment charges ¥ 0 ¥ 0 ¥ 0