diff --git a/backend/package.json b/backend/package.json
index cd6a73c..860dfa1 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.271",
+  "version": "2.14.272",
   "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 5348bab..45ff222 100644
--- a/backend/src/core/proxy-utils/producers/clash.js
+++ b/backend/src/core/proxy-utils/producers/clash.js
@@ -150,6 +150,13 @@ export default function Clash_Producer() {
 
                 delete proxy.subName;
                 delete proxy.collectionName;
+                delete proxy.id;
+                delete proxy.resolved;
+                for (const key in proxy) {
+                    if (proxy[key] == null) {
+                        delete proxy[key];
+                    }
+                }
                 if (
                     ['grpc'].includes(proxy.network) &&
                     proxy[`${proxy.network}-opts`]
diff --git a/backend/src/core/proxy-utils/producers/clashmeta.js b/backend/src/core/proxy-utils/producers/clashmeta.js
index 882bb7e..a0594d1 100644
--- a/backend/src/core/proxy-utils/producers/clashmeta.js
+++ b/backend/src/core/proxy-utils/producers/clashmeta.js
@@ -165,6 +165,13 @@ export default function ClashMeta_Producer() {
                 }
                 delete proxy.subName;
                 delete proxy.collectionName;
+                delete proxy.id;
+                delete proxy.resolved;
+                for (const key in proxy) {
+                    if (proxy[key] == null) {
+                        delete proxy[key];
+                    }
+                }
                 if (
                     ['grpc'].includes(proxy.network) &&
                     proxy[`${proxy.network}-opts`]
diff --git a/backend/src/core/proxy-utils/producers/shadowrocket.js b/backend/src/core/proxy-utils/producers/shadowrocket.js
index 20e17f4..ce48ff6 100644
--- a/backend/src/core/proxy-utils/producers/shadowrocket.js
+++ b/backend/src/core/proxy-utils/producers/shadowrocket.js
@@ -168,6 +168,13 @@ export default function ShadowRocket_Producer() {
                 }
                 delete proxy.subName;
                 delete proxy.collectionName;
+                delete proxy.id;
+                delete proxy.resolved;
+                for (const key in proxy) {
+                    if (proxy[key] == null) {
+                        delete proxy[key];
+                    }
+                }
                 if (
                     ['grpc'].includes(proxy.network) &&
                     proxy[`${proxy.network}-opts`]
diff --git a/backend/src/core/proxy-utils/producers/sing-box.js b/backend/src/core/proxy-utils/producers/sing-box.js
index 1164865..dcc8103 100644
--- a/backend/src/core/proxy-utils/producers/sing-box.js
+++ b/backend/src/core/proxy-utils/producers/sing-box.js
@@ -789,7 +789,9 @@ export default function singbox_Producer() {
                     $.error(e.message ?? e);
                 }
             });
-        return type === 'internal' ? list : JSON.stringify(list, null, 2);
+        return type === 'internal'
+            ? list
+            : JSON.stringify({ outbounds: list }, null, 2);
     };
     return { type, produce };
 }
diff --git a/backend/src/core/proxy-utils/producers/stash.js b/backend/src/core/proxy-utils/producers/stash.js
index 27f8995..7435a8e 100644
--- a/backend/src/core/proxy-utils/producers/stash.js
+++ b/backend/src/core/proxy-utils/producers/stash.js
@@ -257,6 +257,13 @@ export default function Stash_Producer() {
 
                 delete proxy.subName;
                 delete proxy.collectionName;
+                delete proxy.id;
+                delete proxy.resolved;
+                for (const key in proxy) {
+                    if (proxy[key] == null) {
+                        delete proxy[key];
+                    }
+                }
                 if (
                     ['grpc'].includes(proxy.network) &&
                     proxy[`${proxy.network}-opts`]
diff --git a/backend/src/core/proxy-utils/producers/uri.js b/backend/src/core/proxy-utils/producers/uri.js
index 9ef86d0..da93b6a 100644
--- a/backend/src/core/proxy-utils/producers/uri.js
+++ b/backend/src/core/proxy-utils/producers/uri.js
@@ -8,6 +8,13 @@ export default function URI_Producer() {
         let result = '';
         delete proxy.subName;
         delete proxy.collectionName;
+        delete proxy.id;
+        delete proxy.resolved;
+        for (const key in proxy) {
+            if (proxy[key] == null) {
+                delete proxy[key];
+            }
+        }
         if (['trojan', 'tuic', 'hysteria', 'hysteria2'].includes(proxy.type)) {
             delete proxy.tls;
         }
diff --git a/scripts/demo.js b/scripts/demo.js
index 282b383..3ab3ae8 100644
--- a/scripts/demo.js
+++ b/scripts/demo.js
@@ -36,8 +36,13 @@ function operator(proxies = [], targetPlatform, context) {
   //     isIPv6,
   //     isIP,
   //     yaml, // yaml 解析和生成
+  //     getFlag, // 获取 emoji 旗帜
+  //     getISO, // 获取 ISO 3166-1 alpha-2 代码
   // }
 
+  // 示例: 给节点名添加前缀
+  // $server.name = `[${ProxyUtils.getISO($server.name)}] ${$server.name}`
+
   // 示例: 从 sni 文件中读取内容并进行节点操作
   // const sni = await produceArtifact({
   //     type: 'file',