fix: 修复 sing-box wireguard reserved

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.278",
+  "version": "2.14.279",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/core/proxy-utils/producers/sing-box.js

@@ -622,7 +622,7 @@ const wireguardParser = (proxy = {}) => {
         throw 'invalid port';
     if (proxy['fast-open']) parsedProxy.udp_fragment = true;
     if (typeof proxy.reserved === 'string') {
-        parsedProxy.reserved.push(proxy.reserved);
+        parsedProxy.reserved = proxy.reserved;
     } else if (Array.isArray(proxy.reserved)) {
         for (const r of proxy.reserved) parsedProxy.reserved.push(r);
     } else {