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SHORT-TERM INVESTMENTS (Tables) | 6 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2022 | Sep. 30, 2022
SHORT-TERM INVESTMENTS |  |
Schedule of Short-Term Investments | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, | ​ | As of June 30,
​ |  | 2021 |  | 2022
​ | ​ | RMB | ​ | RMB
Wealth management products |  | 884,996 |  | 812,225
| ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, | ​ | As of September 30,
​ |  | 2021 |  | 2022
​ | ​ | RMB | ​ | RMB
Wealth management products |  | 884,996 |  | 2,764,368

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