Other Assets - Schedule of Other Assets (Details) |
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
|---|---|---|---|
| Current | |||
| Total Current | ¥ 114,898,590 | $ 15,741,042 | ¥ 117,047,122 |
| Non-current | |||
| Total Non-current | 102,545,847 | 14,048,723 | 104,725,600 |
| Less: impairment provision | (192,305,859) | (26,345,795) | (193,714,980) |
| Receivable from on-line payment platforms [Member] | |||
| Current | |||
| Total Current | 33,710,165 | 4,618,274 | 39,540,599 |
| Interest receivable [Member] | |||
| Current | |||
| Total Current | 1,413,179 | 193,605 | 13,666,330 |
| Deposits [Member] | |||
| Current | |||
| Total Current | 13,408,363 | 1,836,938 | 16,066,771 |
| Advance to suppliers [Member] | |||
| Current | |||
| Total Current | 14,671,464 | 2,009,982 | 12,190,988 |
| VAT recoverable [Member] | |||
| Current | |||
| Total Current | 16,958,328 | 2,323,281 | 13,096,157 |
| Non-current | |||
| Total Non-current | 13,963,593 | 1,913,004 | 17,872,226 |
| Others [Member] | |||
| Current | |||
| Total Current | 34,737,091 | 4,758,962 | 22,486,277 |
| Non-current | |||
| Total Non-current | 37,059,802 | 5,077,172 | 31,613,426 |
| Rental deposit [Member] | |||
| Non-current | |||
| Total Non-current | 51,522,452 | 7,058,547 | 56,649,069 |
| Purchase and rental deposits for buildings [Member] | |||
| Non-current | |||
| Total Non-current | ¥ 192,305,859 | $ 26,345,795 | ¥ 192,305,859 |