diff --git a/package-lock.json b/package-lock.json
index 08984b7..dd1775d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -102,7 +102,6 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1876,7 +1875,6 @@
       "integrity": "sha512-GNWcUTRBgIRJD5zj+Tq0fKOJ5XZajIiBroOF0yvj2bSU1WvNdYS/dn9UxwsujGW4JX06dnHyjV2y9rRaybH0iQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "undici-types": "~7.16.0"
       }
@@ -2361,7 +2359,6 @@
       "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-14.1.0.tgz",
       "integrity": "sha512-rgBinKs07hAYyPF834mDTigH7BtPqvZ3Pryuzt1SD/lg5wEcWqvwzXXYGEDb2/cP0Sj5zSvHl3WkmMELr5kfWw==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/web-bluetooth": "^0.0.21",
         "@vueuse/metadata": "14.1.0",
@@ -2400,7 +2397,6 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -2606,7 +2602,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.9.0",
         "caniuse-lite": "^1.0.30001759",
@@ -4120,7 +4115,6 @@
       "integrity": "sha512-w8GmOxZfBmKknvdXU1sdM9NHcoQejwF/4mNgj2JuEEdRaHwwF12K7e9eXn1nLZ07ad+du76mkVsyeb2rKGllsA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/estree": "1.0.8"
       },
@@ -4977,7 +4971,6 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -5298,7 +5291,6 @@
       "integrity": "sha512-tI2l/nFHC5rLh7+5+o7QjKjSR04ivXDF4jcgV0f/bTQ+OJiITy5S6gaynVsEM+7RqzufMnVbIon6Sr5x1SDYaQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.5.0",
@@ -5374,7 +5366,6 @@
       "integrity": "sha512-n1RxDp8UJm6N0IbJLQo+yzLZ2sQCDyl1o0LeugbPWf8+8Fttp29GghsQBjYJVmWq3gBFfe9Hs1spR44vovn2wA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vitest/expect": "4.0.15",
         "@vitest/mocker": "4.0.15",
@@ -5469,7 +5460,6 @@
       "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.25.tgz",
       "integrity": "sha512-YLVdgv2K13WJ6n+kD5owehKtEXwdwXuj2TTyJMsO7pSeKw2bfRNZGjhB7YzrpbMYj5b5QsUebHpOqR3R3ziy/g==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vue/compiler-dom": "3.5.25",
         "@vue/compiler-sfc": "3.5.25",
diff --git a/src/services/profile.ts b/src/services/profile.ts
index d1f5e62..f057b4b 100644
--- a/src/services/profile.ts
+++ b/src/services/profile.ts
@@ -1,4 +1,5 @@
 import { Host, PacScript, SimpleProxyServer } from "@/adapters";
+import { deepClone } from "./utils";
 
 export type ProxyAuthInfo = {
   username: string;
@@ -103,7 +104,9 @@ export function onProfileUpdate(callback: (p: ProfilesStorage) => void) {
 }
 
 async function overwriteProfiles(profiles: ProfilesStorage) {
-  await Host.set(keyProfileStorage, profiles);
+  // Deep clone to remove any Proxy objects before saving
+  const clonedProfiles = deepClone(profiles);
+  await Host.set(keyProfileStorage, clonedProfiles);
   onProfileUpdateListeners.map((cb) => cb(profiles));
 }
 
@@ -115,14 +118,16 @@ async function overwriteProfiles(profiles: ProfilesStorage) {
  */
 export async function saveProfile(profile: ProxyProfile) {
   const data = await listProfiles();
-  data[profile.profileID] = profile;
+  // Deep clone the profile to remove any Proxy objects before saving
+  data[profile.profileID] = deepClone(profile);
   await overwriteProfiles(data);
 }
 
 export async function saveManyProfiles(profiles: ProxyProfile[]) {
   let data = await listProfiles();
   profiles.forEach((p) => {
-    data[p.profileID] = p;
+    // Deep clone each profile to remove any Proxy objects before saving
+    data[p.profileID] = deepClone(p);
   });
   await overwriteProfiles(data);
 }
diff --git a/src/services/proxy/index.ts b/src/services/proxy/index.ts
index ae4e6a7..9da5c75 100644
--- a/src/services/proxy/index.ts
+++ b/src/services/proxy/index.ts
@@ -9,6 +9,7 @@ import {
 import { ProxySettingResultDetails } from "@/adapters";
 import { ProfileConverter } from "./profile2config";
 import { ProfileAuthProvider } from "./auth";
+import { deepClone } from "../utils";
 
 export type ProxySetting = {
   activeProfile?: ProxyProfile;
@@ -56,7 +57,8 @@ export async function setProxy(val: ProxyProfile) {
       break;
   }
 
-  await Host.set<ProxyProfile>(keyActiveProfile, val);
+  // Deep clone to remove any Proxy objects before saving
+  await Host.set<ProxyProfile>(keyActiveProfile, deepClone(val));
 }
 
 /**
diff --git a/src/services/utils.ts b/src/services/utils.ts
new file mode 100644
index 0000000..fbe4b8c
--- /dev/null
+++ b/src/services/utils.ts
@@ -0,0 +1,8 @@
+/**
+ * Deep clone an object to remove all Proxy objects (e.g., from Vue reactivity).
+ * This is necessary because chrome.storage and browser.storage use structured clone
+ * which cannot clone Proxy objects.
+ */
+export function deepClone<T>(obj: T): T {
+  return JSON.parse(JSON.stringify(obj));
+}