Revenues and Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Disaggregation of Revenue [Abstract]

Schedule of Disaggregation of Revenue

disaggregated revenues by types were as follows:

	Years ended December 31,
	2021			2022			2023
	RMB			RMB			RMB
Disaggregation of revenues
Revenue by types:
Gross revenues:
Interest, professional skills and      professional certification preparation courses		794,700			1,115,542			1,452,563
Degree- or diploma-oriented post-secondary courses		1,636,256			1,087,413			535,061
Subtotal Online educational courses		2,430,956			2,202,955			1,987,624
Others		79,444			125,863			176,014
Total revenues		2,510,400			2,328,818			2,163,638
Less: VAT related surcharges		(2,583	)		(5,717	)		(4,054	)
Total net revenues		2,507,817			2,323,101			2,159,584

Schedule of Movements of the Deferred Revenue

The movements of the deferred revenue for the years ended December 31, 2022 and 2023 were as follows (1):

	As of December 31,
	2022			2023
	RMB			RMB
Beginning balance (current and non-current)		2,348,179			1,690,946
Additions		1,606,642			1,468,899
Deductions		(2,263,875	)		(2,045,922	)
Ending balance (current and non-current)		1,690,946			1,113,923
Deferred revenue, current		986,086			553,812
Deferred revenue, non-current		704,860			560,111

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