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Commitments and Contingencies (Details) - Schedule of future minimum lease payments under non-cancelable operating - Dec. 31, 2021
¥ in Thousands, $ in Thousands
CNY (¥)
USD ($)
Schedule of future minimum lease payments under non-cancelable operating [Abstract]    
2022 ¥ 4,815 $ 756
2023 4,395 690
2024 4,374 686
2025 365 57
Total ¥ 13,949 $ 2,189