IP属地的精度为province，但是实际显示到了city

<img width="1179" height="918" alt="Image" src="https://github.com/user-attachments/assets/627257cd-0588-44a1-b128-1c4ede8320bc" />
artalk.yml配置如下

```yaml
log:
  enabled: true
  filename: ./data/artalk.log
ip_region:
  enabled: true
  db_path: ./data/ip2region.xdb
  precision: province
http:
  proxy_header: X-Real-IP
```