Leases - Schedule of Operating Lease (Details) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
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| Schedule of Operating Lease [Abstract] | ||||||||
| Right-of-use assets | ¥ 6,350,997 | ¥ 3,739,296 | $ 903,568 | |||||
| Less: impairment | (512,701) | (1,857,761) | (72,943) | |||||
| Right-of-use assets | 5,838,296 | 1,881,535 | 830,625 | |||||
| Operating lease liabilities – current | 2,281,725 | 812,669 | 324,625 | |||||
| Operating lease liabilities – non-current | 4,403,452 | 1,898,004 | 626,487 | |||||
| Total operating lease liabilities | 6,685,177 | 2,710,673 | $ 951,112 | |||||
| Beginning balance | 1,857,761 | $ 264,307 | 3,244,676 | |||||
| Addition | ||||||||
| Derecognition | (1,345,060) | (191,364) | (1,386,915) | |||||
| Ending balance | ¥ 512,701 | 72,943 | 1,857,761 | ¥ 3,244,676 | ||||
| Weighted average remaining lease term (years) | 4 years 21 days | 4 years 21 days | ||||||
| Weighted average discount rate | 3.62% | 3.62% | ||||||
| Lease expense | ||||||||
| Operating lease expense | ¥ 1,374,121 | 195,499 | 3,887,462 | |||||
| Short-term lease expense | 24,304,964 | 3,457,911 | 19,401,914 | |||||
| Sublease income | (14,153,470) | (2,013,640) | (11,725,219) | [1] | ¥ (707,009) | |||
| Total lease expense | 11,525,615 | 1,639,770 | 11,564,157 | |||||
| Other information | ||||||||
| Cash paid for operating leases | 1,309,059 | 186,242 | 5,561,964 | |||||
| Right-of-use assets obtained in exchange for operating new lease liabilities | ¥ 5,201,567 | $ 740,036 | ¥ 2,272,088 | |||||
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