server:
  socks5:
    addr: ":1080"
backends:
- addr: 192.168.25.1:1080
  check_config:
    check_url: https://www.google.com/robots.txt
    initial_alive: true
    timeout: 5
- addr: 192.168.154.227:9050
  check_config:
    check_url: https://www.google.com/robots.txt
    initial_alive: true
    timeout: 30
