Revenues and Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Disaggregation of Revenue [Abstract]

Schedule of Disaggregation of Revenue

disaggregated revenues by types were as follows:

	Years ended December 31,
	2020			2021			2022
	RMB			RMB			RMB
Disaggregation of revenues
Revenue by types:
Gross revenues:
Degree- or diploma-oriented post-secondary courses		1,904,957			1,636,256			1,087,413
Professional certification preparation,    professional skills and interest courses		268,118			794,700			1,115,542
Subtotal Online educational courses		2,173,075			2,430,956			2,202,955
Commissions		19,985			50,465			46,271
Others		11,286			28,979			79,592
Total revenues		2,204,346			2,510,400			2,328,818
Less: VAT related surcharges		(555	)		(2,583	)		(5,717	)
Total net revenues		2,203,791			2,507,817			2,323,101

Schedule of Movements of the Deferred Revenue

The movements of the deferred revenue for the years ended December 31, 2021 and 2022 were as follows (1):

	As of December 31,
	2021			2022
	RMB			RMB
Beginning balance (current and non-current)		3,024,443			2,348,179
Additions		1,930,075			1,606,642
Deductions		(2,606,339	)		(2,263,875	)
Ending balance (current and non-current)		2,348,179			1,690,946
Deferred revenue, current		1,266,948			986,086
Deferred revenue, non-current		1,081,231			704,860

(1)Amounts presented are inclusive of VAT (see VAT in Note 2).