diff --git a/backend/package.json b/backend/package.json
index 3ce700f..099d63b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.16.23",
+  "version": "2.16.24",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/core/proxy-utils/producers/clash.js b/backend/src/core/proxy-utils/producers/clash.js
index beb40d6..311ab64 100644
--- a/backend/src/core/proxy-utils/producers/clash.js
+++ b/backend/src/core/proxy-utils/producers/clash.js
@@ -81,6 +81,8 @@ export default function Clash_Producer() {
                     proxy['preshared-key'] =
                         proxy['preshared-key'] ?? proxy['pre-shared-key'];
                     proxy['pre-shared-key'] = proxy['preshared-key'];
+                } else if (proxy.type === 'snell' && proxy.version < 3) {
+                    delete proxy.udp;
                 } else if (proxy.type === 'vless') {
                     if (isPresent(proxy, 'sni')) {
                         proxy.servername = proxy.sni;
diff --git a/backend/src/core/proxy-utils/producers/clashmeta.js b/backend/src/core/proxy-utils/producers/clashmeta.js
index 838fbe6..563e6fb 100644
--- a/backend/src/core/proxy-utils/producers/clashmeta.js
+++ b/backend/src/core/proxy-utils/producers/clashmeta.js
@@ -86,6 +86,8 @@ export default function ClashMeta_Producer() {
                     proxy['preshared-key'] =
                         proxy['preshared-key'] ?? proxy['pre-shared-key'];
                     proxy['pre-shared-key'] = proxy['preshared-key'];
+                } else if (proxy.type === 'snell' && proxy.version < 3) {
+                    delete proxy.udp;
                 } else if (proxy.type === 'vless') {
                     if (isPresent(proxy, 'sni')) {
                         proxy.servername = proxy.sni;
diff --git a/backend/src/core/proxy-utils/producers/egern.js b/backend/src/core/proxy-utils/producers/egern.js
index 2b35d8a..3492b1d 100644
--- a/backend/src/core/proxy-utils/producers/egern.js
+++ b/backend/src/core/proxy-utils/producers/egern.js
@@ -249,6 +249,8 @@ export default function Egern_Producer() {
                         // sni: proxy.sni,
                         // skip_tls_verify: proxy['skip-cert-verify'],
                     };
+                } else if (proxy.type === 'snell' && proxy.version < 3) {
+                    delete proxy.udp;
                 } else if (proxy.type === 'vless') {
                     if (proxy.network === 'ws') {
                         proxy.transport = {
diff --git a/backend/src/core/proxy-utils/producers/shadowrocket.js b/backend/src/core/proxy-utils/producers/shadowrocket.js
index 24d7a41..fb79128 100644
--- a/backend/src/core/proxy-utils/producers/shadowrocket.js
+++ b/backend/src/core/proxy-utils/producers/shadowrocket.js
@@ -102,6 +102,8 @@ export default function ShadowRocket_Producer() {
                     proxy['preshared-key'] =
                         proxy['preshared-key'] ?? proxy['pre-shared-key'];
                     proxy['pre-shared-key'] = proxy['preshared-key'];
+                } else if (proxy.type === 'snell' && proxy.version < 3) {
+                    delete proxy.udp;
                 } else if (proxy.type === 'vless') {
                     if (isPresent(proxy, 'sni')) {
                         proxy.servername = proxy.sni;
diff --git a/backend/src/core/proxy-utils/producers/stash.js b/backend/src/core/proxy-utils/producers/stash.js
index b3fd147..3ee95c9 100644
--- a/backend/src/core/proxy-utils/producers/stash.js
+++ b/backend/src/core/proxy-utils/producers/stash.js
@@ -187,6 +187,8 @@ export default function Stash_Producer() {
                     proxy['preshared-key'] =
                         proxy['preshared-key'] ?? proxy['pre-shared-key'];
                     proxy['pre-shared-key'] = proxy['preshared-key'];
+                } else if (proxy.type === 'snell' && proxy.version < 3) {
+                    delete proxy.udp;
                 } else if (proxy.type === 'vless') {
                     if (isPresent(proxy, 'sni')) {
                         proxy.servername = proxy.sni;