zongsforce 推荐的写法:
[Proxy]
AHK = ss, xxx...
BSG = ss, xxx...
[Proxy Group]
Airport = select, policy-path=订阅地址
HKG = fallback, AHK, include-other-group=Airport, , policy-regex-filter=(HK)
SGP = url-test, include-other-group=Airport, , policy-regex-filter=(SG)
[Rule]
DOMAIN,xxx,HKG
DOMAIN,xxx,BSG
......
FINAL,SGP