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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' (DEFICIT)/EQUITY ¥ in Thousands, $ in Thousands | Ordinary shares CNY (¥) shares | Treasury stock CNY (¥) shares | Additional paid-in capital CNY (¥) | Statutory reserves CNY (¥) | Accumulated other comprehensive (loss)/income CNY (¥) | Accumulated deficit CNY (¥) | Non-controlling interests CNY (¥) | CNY (¥) shares | USD ($) shares
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2019 | ¥ 189 | ¥ (18) |  |  | ¥ 4,429 | ¥ (2,003,031) |  | ¥ (1,998,431) |
Beginning balance (in shares) at Dec. 31, 2019 | shares | 285,428,430 | (25,428,430) |  |  |  |  |  |  |
Statement |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | (82,184) |  | (82,184) |
Issuance of ordinary shares at the initial public offering ("IPO") | ¥ 56 |  | ¥ 256,352 |  |  |  |  | 256,408 |
Issuance of ordinary shares at the initial public offering ("IPO") (in shares) | shares | 82,000,000 |  |  |  |  |  |  |  |
Conversion of preferred shares to ordinary shares upon the completion of the IPO shares | ¥ 391 |  | 2,100,665 |  |  |  |  | 2,101,056 |
Conversion of preferred shares to ordinary shares upon the completion of the IPO shares (in shares) | shares | 569,036,090 |  |  |  |  |  |  |  |
Accretions to preferred shares redemption value |  |  |  |  |  | (154,066) |  | (154,066) |
Share-based compensation |  |  | 49,170 |  |  |  |  | 49,170 |
Grant of vested options to settle annual bonus |  |  | 3,378 |  |  |  |  | 3,378 |
Issuance of treasury stock for share incentive plan | ¥ 4 | ¥ (4) |  |  |  |  |  |  |
Issuance of treasury stock for share incentive plan (in shares) | shares | 5,000,000 | (5,000,000) |  |  |  |  |  |  |
Vesting of restricted shares |  | ¥ 8 | (8) |  |  |  |  |  |
Vesting of restricted shares (in shares) | shares |  | 9,857,100 |  |  |  |  |  |  |
Vesting of restricted share units |  |  | 196 |  |  |  |  | ¥ 196 |
Vesting of restricted share units (in shares) | shares |  | 190,160 |  |  |  |  |  | 190,160 | 190,160
Exercise of share options |  | ¥ 2 |  |  |  |  |  | ¥ 2 |
Exercise of share options (in shares) | shares |  | 3,235,100 |  |  |  |  |  | 3,235,000 | 3,235,000
Foreign currency translation adjustment |  |  |  |  | (6,338) |  |  | ¥ (6,338) |
Appropriation to statutory reserves |  |  |  | ¥ 0 |  |  |  |  |
Ending balance at Dec. 31, 2020 | ¥ 640 | ¥ (12) | 2,409,753 |  | (1,909) | (2,239,281) |  | 169,191 |
Ending balance (in shares) at Dec. 31, 2020 | shares | 941,464,520 | (17,146,070) |  |  |  |  |  |  |
Statement |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | (127,250) |  | (127,250) |
Issuance of ordinary shares at the initial public offering ("IPO") | ¥ 48 |  | 183,140 |  |  |  |  | 183,188 |
Issuance of ordinary shares at the initial public offering ("IPO") (in shares) | shares | 73,710,080 |  |  |  |  |  |  |  |
Share-based compensation |  |  | 34,715 |  |  |  |  | 34,715 |
Issuance of treasury stock for share incentive plan | ¥ 10 | ¥ (10) |  |  |  |  |  |  |
Issuance of treasury stock for share incentive plan (in shares) | shares | 15,002,660 | (15,002,660) |  |  |  |  |  |  |
Vesting of restricted shares |  | ¥ 5 | (5) |  |  |  |  |  |
Vesting of restricted shares (in shares) | shares |  | 6,232,100 |  |  |  |  |  |  |
Vesting of restricted share units |  | ¥ 3 | 2,853 |  |  |  |  | ¥ 2,856 |
Vesting of restricted share units (in shares) | shares |  | 4,830,900 |  |  |  |  |  | 1,812,960 | 1,812,960
Exercise of share options |  | ¥ 3 |  |  |  |  |  | ¥ 3 |
Exercise of share options (in shares) | shares |  | 4,924,720 |  |  |  |  |  | 4,925,000 | 4,925,000
Foreign currency translation adjustment |  |  |  |  | (7,848) |  |  | ¥ (7,848) |
Appropriation to statutory reserves |  |  |  | 0 |  |  |  |  |
Ending balance at Dec. 31, 2021 | ¥ 698 | ¥ (11) | 2,630,456 |  | (9,757) | (2,366,531) |  | 254,855 |
Ending balance (in shares) at Dec. 31, 2021 | shares | 1,030,177,260 | (16,161,010) |  |  |  |  |  |  |
Statement |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | 86,517 | ¥ (13) | 86,504 |
Share-based compensation |  |  | 24,964 |  |  |  |  | 24,964 |
Issuance of treasury stock for share incentive plan | ¥ 13 | ¥ (13) |  |  |  |  |  |  |
Issuance of treasury stock for share incentive plan (in shares) | shares | 20,000,000 | (20,000,000) |  |  |  |  |  |  |
Vesting of restricted shares |  | ¥ 3 | (3) |  |  |  |  |  |
Vesting of restricted shares (in shares) | shares |  | 3,625,000 |  |  |  |  |  |  |
Vesting of restricted share units |  | ¥ 6 | 2,016 |  |  |  |  | ¥ 2,022 |
Vesting of restricted share units (in shares) | shares |  | 9,286,460 |  |  |  |  |  | 5,637,860 | 5,637,860
Exercise of share options |  | ¥ 5 |  |  |  |  |  | ¥ 5 |
Exercise of share options (in shares) | shares |  | 7,894,340 |  |  |  |  |  | 7,894,000 | 7,894,000
Foreign currency translation adjustment |  |  |  |  | 24,314 |  |  | ¥ 24,314 | $ 3,525
Appropriation to statutory reserves |  |  |  | 529 |  | (529) |  |  |
Ending balance at Dec. 31, 2022 | ¥ 711 | ¥ (10) | ¥ 2,657,433 | ¥ 529 | ¥ 14,557 | ¥ (2,280,543) | ¥ (13) | ¥ 392,664 | $ 56,932
Ending balance (in shares) at Dec. 31, 2022 | shares | 1,050,177,260 | (15,355,210) |  |  |  |  |  |  |

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