记一次mihomo代理udp时死活都会跳过兜底规则的解决方法

Posted by Rainyin on January 26, 2026

省流：强制给节点开启udp=true

这几天沉迷roblox无法自拔，但由于家境贫寒买不起正常的大厂加速器，索性直接走megabox代理出去好了，反正roblox延迟高点也不大

然后就遇到了这个东西：

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[UDP] 198.18.0.1:62620 --> 128.116.48.33:60905 doesn't match any rule using DIRECT

诶？我兜底规则呢??? whatthefuck.webp 但是明明兜底规则使用tcp的时候是正常的啊？

于是和Gemini大战二十回合，然后这个弱智让我加roblox的geoip走代理…

我真没招了.jpg

最后迫不得已使用万能的google search，but搜索结果不说有很多吧，也几乎等于0…

唉…只能去试着翻mihomo文档了

然后给我翻出来了个这个： docs.webp

诶是不是节点默认没开udp的原因？ 于是用clashverge的全局扩展脚本强制给udp=true加上了，问题还真tm解决了…

附我的全局扩展脚本，抄的网络，根据我自己的使用需求改了下

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const customRules = [
    // 在此添加自定义代理规则。
    // 例如：
    // "DOMAIN-SUFFIX,gstatic.com,节点选择",
    "AND,((NETWORK,UDP),(DST-PORT,443)),REJECT",
    //阻断tuic
    "DOMAIN-SUFFIX,hypixel.net,节点选择",
];

// 默认测试网址
const test_url = "http://www.gstatic.com/generate_204";
// 测试网址检测间隔
const test_interval = 240;
// 测试网址的间隔差值，超过这个差值就会切换节点，越小切换越频繁
const test_tolerance = 80;

// 国内DNS服务器,只写最快的一个，写多了会导致访问速度变慢和内核内存占用变大
const domesticNameservers = [
    "tls://223.5.5.5", // 阿里云公共DNS
];
// 国外DNS服务器，同上
const foreignNameservers = [
    "tls://dns.opendns.com", // OpenDNS
];

// 规则集通用配置
const ruleProviderCommon = {
    type: "http",
    format: "mrs",
    interval: 86400,
};

// 代理组通用配置
const groupBaseOption = {
    "interval": 300,
    "timeout": 3000,
    "url": test_url,
    "lazy": true,
    "hidden": false,
    "disable-udp": false,
};

// 代理规则
const rules = [
    // 自定义规则
    ...customRules,
    // 规则集
    "RULE-SET,ipprivate,局域网,no-resolve",
    "RULE-SET,private,局域网",
    "RULE-SET,roblox,Roblox",
    "RULE-SET,google,Google",
    "RULE-SET,bing,Bing",
    "RULE-SET,onedrive,Onedrive",
    "RULE-SET,microsoft,Microsoft",
    "RULE-SET,ipdirect,中国,no-resolve",
    "RULE-SET,direct,中国",
    "RULE-SET,youtube,YouTube",
    // 未匹配的规则 (兜底)
    "MATCH,漏网之鱼",
];

// 规则集配置
const ruleProviders = {
    ipprivate: {
        ...ruleProviderCommon,
        behavior: "ipcidr",
        url: "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@meta/geo/geoip/private.mrs",
        path: "./ruleset/lancidr.mrs",
    },
    private: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@meta/geo/geosite/private.mrs",
        path: "./ruleset/private.mrs",
    },
    direct: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@meta/geo/geosite/cn.mrs",
        path: "./ruleset/direct.mrs",
    },
    ipdirect: {
        ...ruleProviderCommon,
        behavior: "ipcidr",
        url: "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@meta/geo/geoip/cn.mrs",
        path: "./ruleset/cncidr.mrs",
    },
    google: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/google.mrs",
        path: "./ruleset/google.mrs",
    },
    microsoft: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/microsoft.mrs",
        path: "./ruleset/microsoft.mrs",
    },
    bing: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/bing.mrs",
        path: "./ruleset/bing.mrs",
    },
    onedrive: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/onedrive.mrs",
        path: "./ruleset/onedrive.mrs",
    },
    youtube: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/youtube.mrs",
        path: "./ruleset/youtube.mrs",
    },
    roblox: {
        ...ruleProviderCommon,
        behavior: "domain",
        url: "https://github.com/MetaCubeX/meta-rules-dat/raw/refs/heads/meta/geo/geosite/roblox.mrs",
        path: "./ruleset/roblox.mrs",
    },
};

// 显示节点配置
const proxyGroups = [
    {
        ...groupBaseOption,
        name: "节点选择",
        type: "select",
        proxies: ["延迟选优", "手动选择", "故障转移", "负载均衡(散列)", "负载均衡(轮询)"],
        icon: "https://fastly.jsdelivr.net/gh/Koolson/Qure@master/IconSet/Color/Airport.png",
    },
    {
        ...groupBaseOption,
        name: "手动选择",
        type: "select",
        "include-all": true,
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/adjust.svg",
    },
    {
        ...groupBaseOption,
        name: "负载均衡(轮询)",
        type: "load-balance",
        strategy: "round-robin",
        "include-all": true,
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/balance.svg",
    },
    {
        ...groupBaseOption,
        name: "负载均衡(散列)",
        type: "load-balance",
        strategy: "consistent-hashing",
        "include-all": true,
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/merry_go.svg",
    },
    {
        ...groupBaseOption,
        name: "故障转移",
        type: "fallback",
        "include-all": true,
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/ambulance.svg",
    },
    {
        ...groupBaseOption,
        name: "延迟选优",
        type: "url-test",
        interval: test_interval,
        tolerance: test_tolerance,
        "include-all": true,
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/speed.svg",
    },
    {
        ...groupBaseOption,
        name: "局域网",
        type: "select",
        proxies: [
            "DIRECT",
        ],
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/link.svg",
    },
    {
        ...groupBaseOption,
        name: "Roblox",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "DIRECT",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://www.roblox.com/favicon.ico",
    },
    {
        ...groupBaseOption,
        name: "Google",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://www.clashverge.dev/assets/icons/google.svg",
    },
    {
        ...groupBaseOption,
        name: "Bing",
        type: "select",
        proxies: [
            "DIRECT",
            "节点选择",
            "手动选择",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://www.bing.com/favicon.ico",
    },
    {
        ...groupBaseOption,
        name: "Onedrive",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "DIRECT",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://fastly.jsdelivr.net/gh/Koolson/Qure@master/IconSet/Color/OneDrive.png",
    },
    {
        ...groupBaseOption,
        name: "Microsoft",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "DIRECT",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/microsoft.svg",
    },
    {
        ...groupBaseOption,
        name: "中国",
        type: "select",
        proxies: [
            "DIRECT",
            "节点选择",
            "手动选择",
        ],
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/link.svg",
    },
    {
        ...groupBaseOption,
        name: "YouTube",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/youtube.svg",
    },
    {
        ...groupBaseOption,
        name: "漏网之鱼",
        type: "select",
        proxies: [
            "节点选择",
            "手动选择",
            "DIRECT",
            "延迟选优",
            "故障转移",
        ],
        icon: "https://fastly.jsdelivr.net/gh/clash-verge-rev/clash-verge-rev.github.io@main/docs/assets/icons/fish.svg",
    },
];

// DNS配置
const dnsConfig = {
    "enable": true,
    "ipv6": true,
    "prefer-h3": false,
    "use-hosts": false,
    "use-system-hosts": true,
    "listen": "0.0.0.0:1053",
    "cache-algorithm": "arc",
    "enhanced-mode": "fake-ip",
    "fake-ip-range": "198.18.0.1/16",
    "fake-ip-filter-mode": "blacklist",
    "fake-ip-filter": [
        "+.lan",
        "+.local",
        "+.msftconnecttest.com",
        "+.msftncsi.com",
        "localhost.ptlogin2.qq.com",
        "localhost.sec.qq.com",
        "localhost.work.weixin.qq.com",
        "*.localdomain",
        "*.example",
        "*.invalid",
        "*.localhost",
        "*.test",
        "*.local",
        "*.home.arpa"
    ],
    "nameserver": [...domesticNameservers],
    "nameserver-policy": {
        "rule-set:google,youtube,roblox,bing": foreignNameservers,
        "geosite:geolocation-!cn": foreignNameservers,
    },
    "proxy-server-nameserver": [...domesticNameservers, ...foreignNameservers],
};

// 域名嗅探
const snifferConfig = {
    "enable": true,
    "force-dns-mapping": true,
    "parse-pure-ip": true,
    "override-destination": true,
    "sniff": {
        "TLS": {
            "ports": [443, 8443],
        },
        "HTTP": {
            "ports": [80, "8080-8880"],
            "override-destination": true,
        },
        "QUIC": {
            "ports": [443, 8443]
        },
    }
};

// 主函数
function main(config) {
    const proxyCount = config?.proxies?.length ?? 0;
    const proxyProviderCount =
        typeof config?.["proxy-providers"] === "object"
            ? Object.keys(config["proxy-providers"]).length
            : 0;
    if (proxyCount === 0 && proxyProviderCount === 0) {
        throw new Error("配置文件中未找到任何代理");
    }

    if (config.proxies && Array.isArray(config.proxies)) {
        config.proxies.forEach(proxy => {
            proxy.udp = true;    
        });
    }

    // 配置
    config["profile"] = {
        "store-selected": true,
        "store-fake-ip": true,
    };
    // Geo设置
    config["geodata-loader"] = "standard";
    config["geosite-matcher"] = "mph";
    // 全局客户端指纹
    config["global-client-fingerprint"] = "chrome";
    config["global-ua"] = "chrome";
    // 统一延迟
    config["unified-delay"] = true;
    // TCP 并发
    config["tcp-concurrent"] = true;
    // 域名服务
    config["foreign_nameservers"] = foreignNameservers;
    config["domestic_nameservers"] = domesticNameservers;
    // DNS配置
    config["dns"] = dnsConfig;
    // 域名嗅探
    config["sniffer"] = snifferConfig;
    // 规则
    config["rule-providers"] = ruleProviders;
    config["rules"] = rules;
    // 代理组
    config["proxy-groups"] = proxyGroups;
    // 返回修改后的配置
    return config;
}
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