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PROPERTY AND EQUIPMENT, NET (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2023
USD ($)
PROPERTY AND EQUIPMENT, NET          
Electronic equipment and others ¥ 19,618   ¥ 18,600   $ 2,763
Less: accumulated depreciation (13,449)   (9,395)   (1,894)
Property and equipment, net 6,169   9,205   $ 869
Depreciation expense ¥ 4,065 $ 573 ¥ 4,130 ¥ 3,399