diff --git a/backend/package.json b/backend/package.json
index f77689f..303a7d5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.19.70",
+  "version": "2.19.71",
   "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/sing-box.js b/backend/src/core/proxy-utils/producers/sing-box.js
index f3d8d82..0d8d331 100644
--- a/backend/src/core/proxy-utils/producers/sing-box.js
+++ b/backend/src/core/proxy-utils/producers/sing-box.js
@@ -338,6 +338,17 @@ const shadowTLSParser = (proxy = {}) => {
         password: proxy.password,
         detour: `${proxy.name}_shadowtls`,
     };
+    if (proxy.uot) ssPart.udp_over_tcp = true;
+    if (proxy['udp-over-tcp']) {
+        ssPart.udp_over_tcp = {
+            enabled: true,
+            version:
+                !proxy['udp-over-tcp-version'] ||
+                proxy['udp-over-tcp-version'] === 1
+                    ? 1
+                    : 2,
+        };
+    }
     const stPart = {
         tag: `${proxy.name}_shadowtls`,
         type: 'shadowtls',