Summary of Principal Accounting Policies (Details) ¥ in Thousands, $ in Thousands |
1 Months Ended | 6 Months Ended | |||||
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Sep. 30, 2025
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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Mar. 31, 2026
USD ($)
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Mar. 31, 2026
CNY (¥)
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Sep. 30, 2025
CNY (¥)
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Mar. 31, 2025
CNY (¥)
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Mar. 31, 2026
CNY (¥)
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| Summary of Principal Accounting Policies [Line Items] | |||||||
| Accumulated deficits | ¥ 4,605,215 | $ 670,212 | ¥ 4,605,215 | ¥ 4,623,123 | |||
| Net cash used in operating activities | 1,232 | ¥ 8,501 | ¥ 7,948 | ||||
| Current liabilities exceeded current assets | 909,308 | 909,308 | 900,550 | ||||
| Revenues | $ 28,680 | ¥ 197,832 | 175,675 | ||||
| Reserve registered capital percentage | 10.00% | 10.00% | |||||
| Non-current restricted cash | 5,000 | $ 725 | 5,000 | 5,000 | |||
| Advances to suppliers | 2,593 | 2,593 | 5,511 | ||||
| Allowance for doubtful accounts | 41 | 41 | ¥ 261 | ||||
| Impairment losses on goodwill | 644,908 | ||||||
| Commission revenue | 197,832 | 175,675 | |||||
| Value added tax percentage | 6.00% | 6.00% | |||||
| Cost of revenue | $ 27,863 | ¥ 192,200 | 171,379 | ||||
| Tax benefit largest amount | 50.00% | 50.00% | |||||
| Share based compensation expenses | |||||||
| Impairment of ROU assets | |||||||
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | Chief Executive Officer [Member] | Chief Executive Officer [Member] | |||||
| CODM description | The Company’s chief operating decision maker (“CODM”) is the Chief Executive Officer, who reviews the unaudited condensed consolidated results of operations when making decisions about allocating resources and assessing performance of the Company. | The Company’s chief operating decision maker (“CODM”) is the Chief Executive Officer, who reviews the unaudited condensed consolidated results of operations when making decisions about allocating resources and assessing performance of the Company. | |||||
| outstanding principal amount and accrued interest | ¥ 27,342 | ||||||
| Impairment losses | ¥ 7,119 | ||||||
| Alpha Mind [Member] | |||||||
| Summary of Principal Accounting Policies [Line Items] | |||||||
| Impairment losses on goodwill | ¥ 685,957 | ¥ 1,284,218 | |||||
| Modern Service [Member] | |||||||
| Summary of Principal Accounting Policies [Line Items] | |||||||
| Value added tax percentage | 6.00% | 6.00% | |||||
| United State [Member] | |||||||
| Summary of Principal Accounting Policies [Line Items] | |||||||
| Foreign currency exchange rate | 0.01 | 0.01 | |||||
| China [Member] | |||||||
| Summary of Principal Accounting Policies [Line Items] | |||||||
| Foreign currency exchange rate | 0.06898 | 0.06898 | |||||
| X | ||||||||||
- Definition Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on receivable, classified as other and current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Other costs incurred during the reporting period related to other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Description of nature of expense information used by chief operating decision maker (CODM) to manage operation when segment expense information by category is not disclosed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Current liabilities exceeded current assets, amount. No definition available.
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- Definition Represents the value of impairment losses on advance to suppliers. No definition available.
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- Definition Amount of outstanding principal amount and accrued interest. No definition available.
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- Definition Reserve registered capital percentage. No definition available.
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- Definition Value Added Tax Percentage. No definition available.
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