diff --git a/backend/package.json b/backend/package.json
index 6571332fd..34197098d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.16.20",
+  "version": "2.16.21",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/utils/user-agent.js b/backend/src/utils/user-agent.js
index 96744318b..a1e10c522 100644
--- a/backend/src/utils/user-agent.js
+++ b/backend/src/utils/user-agent.js
@@ -62,11 +62,26 @@ export function getPlatformFromHeaders(headers) {
 }
 export function shouldIncludeUnsupportedProxy(platform, ua) {
     try {
+        const target = getPlatformFromUserAgent({
+            UA: ua,
+            ua: ua.toLowerCase(),
+        });
+        if (!['Stash', 'Egern'].includes(target)) {
+            return false;
+        }
         const version = coerce(ua).version;
-        if (platform === 'Stash' && gte(version, '2.8.0')) {
+        if (
+            platform === 'Stash' &&
+            target === 'Stash' &&
+            gte(version, '2.8.0')
+        ) {
             return true;
         }
-        if (platform === 'Egern' && gte(version, '1.29.0')) {
+        if (
+            platform === 'Egern' &&
+            target === 'Egern' &&
+            gte(version, '1.29.0')
+        ) {
             return true;
         }
     } catch (e) {