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Short-Term Investments | 12 Months Ended
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Dec. 31, 2021
Short-term Investments [Abstract] |
Short-Term Investments | 4. SHORT-TERM INVESTMENTS
|  | As of December 31, |
|  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |
Wealth management products |  |  | 536,401 |  |  |  | 884,996 |
The investment income from wealth management products for the years ended December 31, 2019, 2020 and 2021 was RMB9,718, R MB 9,095 and R MB 24,744, respectively.

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