Prepayment and other current assets

6 Months Ended

Jun. 30, 2026

Note 4 — Prepayment and other current assets

Prepayment and other current assets consisted of the following:


		As of		As of		As of
		December 31,		June 30,		June 30,
		2025		2026		2026
		RMB		RMB		US$
Prepaid expenses		11,937,161		8,071,162		1,189,542
Prepayment for intangible assets		43,352,840		25,070,945		3,695,000
Employee loans		2,729,457		1,874,808		276,313
Other project investment		1,683,616		—		—
Other receivables		1,937,493		3,007,897		443,309
Total		61,640,567		38,024,812		5,604,164

Prepayment for intangible assets consist of deposits paid to vendors for the development of course content.

The Group provided loans to certain employees, primarily for housing and other employee-related purposes and all employee loans are due within one year and expected to be repaid by December 31, 2026.