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Income Tax (Details) - Schedule of actual income tax expenses reported in consolidated statements of comprehensive income(loss) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of actual income tax expenses reported in consolidated statements of comprehensive income(loss) [Abstract] |  |  |
Income/(loss) before income taxes | ¥ (406,980) | ¥ (215,461) | ¥ 67,899
Computed expected tax expense/(benefit) | (86,039) | (53,809) | 16,975
Increase/(decrease) in income taxes resulting from: |  |  |
Non-taxable income |  | (816) |
Non-taxable income due to disposal of subsidiaries |  | (2,440) |
Non-deductible expenses | 6,463 | 25,099 | 1,766
Additional deduction for research and development expenses | (6,554) | (2,353) | (283)
Preferential tax rate | 4,727 | 11,370 | 166
Tax loss expired | 12,128 | 6,271 | 1,619
EIT true-up difference |  | 478 |
Tax rate differential on deferred tax items |  | 31 | 5,152
Change in valuation allowance | 75,078 | 25,457 | (10,355)
Others |  | 320 | (586)
Total | ¥ 5,803 | ¥ 9,608 | ¥ 14,454

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit). + References No definition available. + Details
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