diff --git a/lib/provider/ClashProvider.ts b/lib/provider/ClashProvider.ts
index 0b18f0bad..227b4761b 100644
--- a/lib/provider/ClashProvider.ts
+++ b/lib/provider/ClashProvider.ts
@@ -233,7 +233,7 @@ export const parseClashConfig = (
             uuid: item.uuid,
             alterId: item.alterId ? `${item.alterId}` : '0',
             method: item.cipher || 'auto',
-            udp: resolveUdpRelay(item.udp, udpRelay),
+            'udp-relay': resolveUdpRelay(item.udp, udpRelay),
             tls: item.tls ?? false,
             network: item.network || 'tcp',
             ...(item.network === 'ws' ? {
diff --git a/lib/provider/V2rayNSubscribeProvider.ts b/lib/provider/V2rayNSubscribeProvider.ts
index 73c6dc01c..e18a1bd0e 100644
--- a/lib/provider/V2rayNSubscribeProvider.ts
+++ b/lib/provider/V2rayNSubscribeProvider.ts
@@ -94,7 +94,7 @@ export const getV2rayNSubscription = async (
       .filter(item => item.startsWith("vmess://"));
 
     return configList
-      .map<VmessNodeConfig|undefined>(item => {
+      .map<VmessNodeConfig|undefined>((item): VmessNodeConfig|undefined => {
         const json = JSON.parse(fromBase64(item.replace('vmess://', '')));
 
         // istanbul ignore next
@@ -119,9 +119,7 @@ export const getV2rayNSubscription = async (
           tls: json.tls === 'tls',
           host: json.host || '',
           path: json.path || '/',
-          ...(udpRelay ? {
-            udp: udpRelay,
-          } : null),
+          'udp-relay': udpRelay === true,
           ...(json.tls === 'tls' ? {
             skipCertVerify: skipCertVerify ?? false,
             tls13: tls13 ?? false,
diff --git a/lib/provider/__tests__/ClashProvider.test.ts b/lib/provider/__tests__/ClashProvider.test.ts
index 4ffaff8d3..b6667e8d3 100644
--- a/lib/provider/__tests__/ClashProvider.test.ts
+++ b/lib/provider/__tests__/ClashProvider.test.ts
@@ -100,7 +100,7 @@ test('getClashSubscription', async t => {
     method: 'auto',
     tls: false,
     network: 'tcp',
-    udp: false,
+    'udp-relay': false,
   });
   t.deepEqual(config.shift(), {
     type: NodeTypeEnum.Vmess,
@@ -113,7 +113,7 @@ test('getClashSubscription', async t => {
     alterId: '32',
     method: 'auto',
     network: 'ws',
-    udp: false,
+    'udp-relay': false,
     tls: true,
     tls13: false,
     skipCertVerify: false,
@@ -221,7 +221,7 @@ test('getClashSubscription udpRelay', async t => {
     method: 'auto',
     tls: false,
     network: 'tcp',
-    udp: true,
+    'udp-relay': true,
   });
 });
 
diff --git a/lib/provider/__tests__/V2rayNSubscribeProvider.test.ts b/lib/provider/__tests__/V2rayNSubscribeProvider.test.ts
index 0c5da9b96..ebe7a3c50 100644
--- a/lib/provider/__tests__/V2rayNSubscribeProvider.test.ts
+++ b/lib/provider/__tests__/V2rayNSubscribeProvider.test.ts
@@ -29,6 +29,7 @@ test('getV2rayNSubscription', async t => {
     tls: false,
     type: NodeTypeEnum.Vmess,
     uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
+    'udp-relay': false,
   });
   t.deepEqual(configList[1], {
     alterId: '64',
@@ -42,6 +43,7 @@ test('getV2rayNSubscription', async t => {
     tls: false,
     type: NodeTypeEnum.Vmess,
     uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
+    'udp-relay': false,
   });
 });
 
@@ -61,6 +63,7 @@ test('getV2rayNSubscription compatible mode', async t => {
     tls: false,
     type: NodeTypeEnum.Vmess,
     uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
+    'udp-relay': false,
   });
 });
 
@@ -80,6 +83,6 @@ test('getV2rayNSubscription udpRelay skipCertVerify', async t => {
     tls: false,
     type: NodeTypeEnum.Vmess,
     uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
-    udp: true,
+    'udp-relay': true,
   });
 });
diff --git a/lib/types.ts b/lib/types.ts
index bed894ab6..e9455b68b 100644
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -210,7 +210,7 @@ export interface VmessNodeConfig extends SimpleNodeConfig {
   readonly tls: boolean;
   readonly host?: string;
   readonly path?: string;
-  readonly udp?: boolean; // TODO: 统一为 udp-relay
+  readonly 'udp-relay'?: boolean;
   readonly tls13?: boolean;
   readonly skipCertVerify?: boolean;
   readonly wsHeaders?: Record<string, string>;
diff --git a/lib/utils/index.ts b/lib/utils/index.ts
index 519d3a6a8..8a79d34ee 100644
--- a/lib/utils/index.ts
+++ b/lib/utils/index.ts
@@ -923,7 +923,7 @@ export const getQuantumultXNodes = function(
               `method=chacha20-ietf-poly1305` :
               `method=${nodeConfig.method}`),
             `password=${nodeConfig.uuid}`,
-            ...(nodeConfig.udp ? [
+            ...(nodeConfig['udp-relay'] ? [
               'udp-relay=true',
             ] : []),
             ...(nodeConfig.tfo ? [
diff --git a/test/utils/index.test.ts b/test/utils/index.test.ts
index bf418f76d..f32505735 100644
--- a/test/utils/index.test.ts
+++ b/test/utils/index.test.ts
@@ -1196,7 +1196,7 @@ test('getQuantumultXNodes', t => {
       port: 8080,
       tls: false,
       host: '',
-      udp: true,
+      'udp-relay': true,
       uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
     },
     {
@@ -1264,7 +1264,7 @@ test('getQuantumultXNodes', t => {
       port: 443,
       tls: true,
       tls13: true,
-      udp: true,
+      'udp-relay': true,
       uuid: '1386f85e-657b-4d6e-9d56-78badb75e1fd',
     }]),
     'vmess=1.1.1.1:443, method=chacha20-ietf-poly1305, password=1386f85e-657b-4d6e-9d56-78badb75e1fd, udp-relay=true, obfs=over-tls, tls13=true, tag=测试'