Interest Expense (Details) - Schedule of Interest Expense ¥ in Thousands, $ in Thousands	12 Months Ended
Mar. 31, 2024 CNY (¥)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 CNY (¥)	Mar. 31, 2022 CNY (¥)
Schedule of Interest Expense [Abstract]
Amortization charges on promissory notes	¥ 5,058		¥ 9,706	¥ 17,144
Interest expense on borrowings	2,268		3,644	3,740
Total	¥ 7,326	$ 1,015	¥ 13,350	¥ 20,884

Amount of amortization expense attributable to debt issuance costs.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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