Revenue from Contracts with Customers - Schedule of Deferred Revenue (Details) |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Schedule of Deferred Revenues [Line Items] | |||
| Total deferred revenue | ¥ 303,553,899 | $ 43,407,630 | ¥ 351,400,097 |
| Initial fees received from franchisees owners [Member] | |||
| Schedule of Deferred Revenues [Line Items] | |||
| Total deferred revenue | 121,584,464 | 17,386,347 | 145,314,471 |
| Cash received for membership fees and not recognized as revenue [Member] | |||
| Schedule of Deferred Revenues [Line Items] | |||
| Total deferred revenue | 77,614,234 | 11,098,688 | 103,514,777 |
| Cash received for prepaid card and sublease [Member] | |||
| Schedule of Deferred Revenues [Line Items] | |||
| Total deferred revenue | 38,918,849 | 5,565,321 | 39,922,504 |
| Deferred revenue related to the membership program [Member] | |||
| Schedule of Deferred Revenues [Line Items] | |||
| Total deferred revenue | ¥ 65,436,352 | $ 9,357,274 | ¥ 62,648,345 |