v3.26.1
Leases (Details) - CNY (¥)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Leases [Line Items]    
Operating lease expense ¥ 471,689 ¥ 1,396,169
Minimum [Member]    
Leases [Line Items]    
Operating lease term 24 months  
Maximum [Member]    
Leases [Line Items]    
Operating lease term 26 months