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Property, Equipment and Leasehold Improvement, Net | 12 Months Ended
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Dec. 31, 2022
Property, Equipment and Leasehold Improvement, Net |
Property, Equipment and Leasehold Improvement, Net | 6.Property, Equipment and Leasehold Improvement, Net The following is a summary of property, equipment and leasehold improvement, net: ​
​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2021 | ​ | 2022
​ | ​ | RMB | ​ | RMB
Electronic equipment |  | 76,401 |  | 80,099
Furniture and office equipment |  | 1,729 |  | 3,273
Vehicles |  | 2,793 |  | 2,818
Leasehold improvement |  | 10,012 |  | 15,407
Total property, equipment and leasehold improvement |  | 90,935 |  | 101,597
Less: accumulated depreciation |  | (57,544) |  | (75,051)
Property, equipment and leasehold improvement, net |  | 33,391 |  | 26,546
​ Depreciation expenses were RMB17.7 million, RMB19.2 million and RMB18.1 million for the years ended December 31, 2020, 2021 and 2022, respectively. No impairment charge was recognized for any of the years presented.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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