阿里香港的cdt用起来真的很爽，唯一的缺陷就是用不了gpt。不过 sing-box 支持分流，看着文档配了下gpt的分流就彻底爽用了。

{
  "log": {
    "level": "warn",
    "timestamp": true
  },
  "inbounds": [
    {
      "type": "vless",
      "tag": "vless-in",
      "listen": "::",
      "listen_port": 443,
      "sniff": true,
      "sniff_override_destination": true,
      "sniff_timeout": "300ms",
      "domain_strategy": "prefer_ipv4",
      "users": [
        {
          "name": "",
          "uuid": "",
          "flow": "xtls-rprx-vision"
        }
      ],
      "tls": {
        "enabled": true,
        "server_name": "",
        "reality": {
          "enabled": true,
          "handshake": {
            "server": "",
            "server_port": 443
          },
          "private_key": "",
          "short_id": ""
        }
      }
    }
  ],
  "outbounds": [
    {
      "type": "direct",
      "tag": "direct-out"
    },
    {
      "type": "vless",
      "tag": "us-out",
      "server": "",
      "server_port": 8443,
      "uuid": "",
      "flow": "xtls-rprx-vision",
      "network": "tcp",
      "tls": {
        "enabled": true,
        "server_name": "",
        "utls": {
          "enabled": true,
          "fingerprint": "chrome"
        },
        "reality": {
          "enabled": true,
          "public_key": "",
          "short_id": ""
        }
      }
    }
  ],
  "route": {
    "rules": [
      {
        "rule_set": [
          "geosite-claude",
          "geosite-openai",
          "geosite-google-gemini"
        ],
        "outbound": "us-out"
      }
    ],
    "rule_set": [
      {
        "type": "remote",
        "tag": "geosite-openai",
        "format": "binary",
        "url": "https://github.com/SagerNet/sing-geosite/raw/rule-set/geosite-openai.srs",
        "download_detour": "direct-out"
      },
      {
        "type": "remote",
        "tag": "geosite-google-gemini",
        "format": "binary",
        "url": "https://github.com/SagerNet/sing-geosite/raw/rule-set/geosite-google-gemini.srs",
        "download_detour": "direct-out"
      },
      {
        "type": "remote",
        "tag": "geosite-claude",
        "format": "binary",
        "url": "https://github.com/SagerNet/sing-geosite/raw/refs/heads/rule-set/geosite-anthropic.srs",
        "download_detour": "direct-out"
      }
    ],
    "final": "direct-out"
  }
}