diff --git a/backend/package.json b/backend/package.json
index 5850661..40c77cf 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.8",
+  "version": "2.14.9",
   "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/surge.js b/backend/src/core/proxy-utils/producers/surge.js
index c1fc560..08abeef 100644
--- a/backend/src/core/proxy-utils/producers/surge.js
+++ b/backend/src/core/proxy-utils/producers/surge.js
@@ -280,7 +280,7 @@ function tuic(proxy) {
     );
 
     // tfo
-    result.appendIfPresent(`,tfo=${proxy.tfo}`, 'fast-open');
+    result.appendIfPresent(`,tfo=${proxy['fast-open']}`, 'fast-open');
     result.appendIfPresent(`,tfo=${proxy.tfo}`, 'tfo');
 
     // test-url