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Share Based Compensation (Details) ¥ / shares in Units, ¥ in Thousands |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |
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Feb. 06, 2025 shares | Jan. 24, 2025 | Jun. 06, 2024 $ / shares shares | Aug. 03, 2023 shares | Aug. 03, 2022 shares | Jun. 24, 2022 shares | Jul. 31, 2017 $ / shares shares | Oct. 18, 2016 shares | Oct. 17, 2016 shares | Apr. 21, 2016 shares | Aug. 31, 2014 shares | Jan. 31, 2025 $ / shares | Jun. 30, 2022 $ / shares shares | Mar. 31, 2025 CNY (¥) ¥ / shares shares | Mar. 31, 2025 USD ($) $ / shares | Mar. 31, 2024 CNY (¥) | Sep. 30, 2021 shares | Mar. 31, 2025 $ / shares shares | Sep. 30, 2024 ¥ / shares shares | Nov. 18, 2022 shares | Mar. 31, 2018 shares
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of total exercised ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 25.00% |  |  |  |  |  |
Compensation expenses (in Dollars) | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 1,531 |  |  |  |  |
Percentage of shares holding |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.80% | 8.80% |  |  |  |  |  |
Percentage of outstanding share capital voting |  |  |  |  |  |  |  |  |  |  |  |  |  | 49.10% | 49.10% |  |  |  |  |  |
Issued ordinary shares | 120 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share consolidation ratio |  | 100,000:1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yijia Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved |  |  |  |  |  |  | 86,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 86,000,000
Stock Option A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of share-based compensation, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Number of options, vested or expected to vest |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,250 |  |  |  | 10,250 | 10,250 |  |
Weighted average intrinsic value of share options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Option B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation stock options outstanding number |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,850 |  |  |  | 23,850 | 23,850 |  |
Weighted average intrinsic value (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Share Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 36,342.5 |  |  |  |  |  |  |  |  |
Percentage of maximum number of shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  | 10.00% |  |  |
2019 Share Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options vested |  |  |  | 3,590 | 3,590 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Share Incentive Plan [Member] | Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued in ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  | 72,000 |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Share Incentive Plan [Member] | Chief Financial Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 36,342.5 |  |  |  |  |  |
2019 Share Incentive Plan [Member] | Chief Financial Officer [Member] | Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued in ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  | 50,360 |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of share-based compensation, shares |  |  |  |  |  |  |  |  |  |  |  |  | 43,180 |  |  |  |  |  |  |  |
Stock options vested |  |  |  | 3,590 | 3,590 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2022 Share Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options, vested or expected to vest |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,100 |  |  |  | 34,100 |  |  |
Share based compensation stock options outstanding number |  |  |  |  |  |  |  |  |  |  |  |  |  | 41,280 |  |  |  | 41,280 |  |  |
Exercise price (in Yuan Renminbi per share) | ¥ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 2,000 |  |  |  |  |  |  |
Contractual life term |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years 10 months 2 days | 2 years 10 months 2 days |  |  |  |  |  |
Compensation expenses (in Yuan Renminbi) | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 1,531 |  |  |  |  |
Class B Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares vote |  |  |  |  |  |  |  |  |  |  |  |  |  | ten | ten |  |  |  |  |  |
Issued ordinary shares |  |  | 61,427,890 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value (in Dollars per share) | (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 | ¥ 0.0000001 |  |
Class B Ordinary Shares [Member] | Yijia Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued in ordinary shares |  |  |  |  |  | 75,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class B Ordinary Shares [Member] | 2022 Share Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of issuance shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500 |  |  |  | 2,500 |  | 2,500,000 |
Class B Ordinary Shares [Member] | 2024 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value (in Dollars per share) | $ / shares |  |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares vote |  |  |  |  |  |  |  |  |  |  |  |  |  | one | one |  |  |  |  |  |
Number of issued ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |
Issued ordinary shares | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value (in Dollars per share) | (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 | ¥ 0.01 |  |
IPO [Member] | Stock Option B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expenses (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management Employees And Non Employees [Member] | Stock Option A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share options granted |  |  |  |  |  |  |  | 269 | 269 | 269 | 269 |  |  |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 310,000 |  |  |  |  |  |
Share options granted, vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |
Management And Employees [Member] | Stock Option B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share options granted |  |  |  |  |  |  | 431 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share options granted, exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 310 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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