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Income Taxes (Details) - Schedule of significant components of deferred taxes liability - CNY (¥)
¥ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of significant components of deferred taxes liability [Abstract]      
Acquired intangible assets ¥ 1,101 ¥ 1,543 ¥ 2,427