v3.26.1
Income Taxes (Details)
¥ in Thousands, $ in Thousands
6 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
CNY (¥)
Income Taxes [Line Items]      
Income tax expenses (in Yuan Renminbi) $ 3 ¥ 20 ¥ 25
PRC [Member]      
Income Taxes [Line Items]      
Uniform tax rate 25.00% 25.00%  
Unrecognized tax benefits  
Income tax expenses (in Yuan Renminbi)   ¥ 20 ¥ 25
Hong Kong [Member]      
Income Taxes [Line Items]      
Applicable tax rate 16.50% 16.50%