v3.26.1
Losses (Earning) Per Share - Schedule of Computation of Basic and Diluted Earnings (Loss) Per Share (Details)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
6 Months Ended
Mar. 31, 2026
USD ($)
$ / shares
shares
Mar. 31, 2026
CNY (¥)
¥ / shares
shares
Mar. 31, 2025
CNY (¥)
¥ / shares
shares
Losses (Earning) Per Share [Abstract]      
Net loss $ (2,596) ¥ (17,908) ¥ (677,712)
Weighted average number of ordinary shares used in computing net loss per share—Basic | shares [1] 123,715,022,675 123,715,022,675 2,463,106,810
Weighted average number of ordinary shares used in computing net loss per share— Diluted | shares [1] 123,715,022,675 123,715,022,675 2,463,106,810
Net (loss) earnings per share — Basic | (per share) $ (0) ¥ (0) ¥ (0)
Net (loss) earnings per share — Diluted | (per share) (0) ¥ (0) (0)
Net loss per share from continuing operations—Basic | ¥ / shares     (0)
Net loss per share from continuing operations—Diluted | ¥ / shares     ¥ (0)
Net earnings from per share discontinued operations—Basic | $ / shares    
Net earnings from per share discontinued operations—Diluted | $ / shares    
[1] Retroactively restated to give effect to a share consolidation at a ratio of one hundred thousandth to one (100,000:1) ordinary shares effective on January 24, 2025 and the Capital Reduction effective on May 9, 2025.