Acquisition of Chongqing Zhizao and Changzhou Huixiang - Disposal agreement (Details) - CNY (¥)
Dec. 26, 2019
Mar. 31, 2022
Dec. 19, 2019
Discontinued Operations      
Cash consideration   ¥ 400,000,000  
Chongqing Zhizao [Member] | Disposal by sale      
Discontinued Operations      
Equity interest disposed 100.00%   100.00%
Cash consideration     ¥ 1.000
Disposal loss ¥ 4,503,000