*After giving effect of the 2-for-1 reverse stock split effective on January 31, 2024.

Non-GAAP Reconciliation
(Unaudited)
	For the Six Months Ended June 30,
	2023			2024
	RMB			RMB		US$
Net loss	(134,319,481	)		(59,145,670	)	(8,299,049	)
Add:
Share-based compensation expenses	137,598			285,507		40,061
Non-GAAP adjusted net loss	(134,181,883	)		(58,860,163	)	(8,258,988	)