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v3.22.1

Principal Accounting Policies (Details 4) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Principal Accounting Policies |  |  |
Balance at the beginning of the year | ¥ 113,253 | ¥ 77,147 | ¥ 130,648
Provisions | 265,930 | 40,600 | (30,946)
Write-offs | (9,201) | (4,494) | (22,555)
Balance at the end of the year | ¥ 369,982 | ¥ 113,253 | ¥ 77,147

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