Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Consolidated Balance Sheets ¥ in Thousands, $ in Thousands	Mar. 31, 2026 USD ($)	Mar. 31, 2026 CNY (¥)	Sep. 30, 2025 CNY (¥)
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 644	¥ 4,441	¥ 10,879
Restricted cash- non-current	725	5,000	5,000
Total	$ 1,369	¥ 9,441	¥ 15,879

Amount of cash equivalent restricted as to withdrawal or usage. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.