diff --git a/.gitignore b/.gitignore
index 6a6f9cda..aa25c632 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ scripts/_env.sh
 .vscode
 .tool-versions
 .idea
+.old
diff --git a/scripts/check-unused-i18n.js b/scripts/check-unused-i18n.js
index 4d0ab8e8..40d3206b 100644
--- a/scripts/check-unused-i18n.js
+++ b/scripts/check-unused-i18n.js
@@ -32,6 +32,13 @@ function getAllSourceContent() {
   return files.map(f => fs.readFileSync(f, 'utf8')).join('\n');
 }
 
+// 白名单 key，不检查这些 key 是否被使用
+const WHITELIST_KEYS = [
+  'theme.light',
+  'theme.dark',
+  'theme.system'
+];
+
 // 主流程
 function processI18nFile(i18nPath, lang, allSource) {
   const i18n = JSON.parse(fs.readFileSync(i18nPath, 'utf8'));
@@ -43,12 +50,16 @@ function processI18nFile(i18nPath, lang, allSource) {
   let checked = 0;
   const total = keys.length;
   keys.forEach(key => {
-    // 只查找一次
-    const regex = new RegExp(`["'\`]${key}["'\`]`);
-    if (regex.test(allSource)) {
+    if (WHITELIST_KEYS.includes(key)) {
       used[key] = i18n[key];
     } else {
-      unused.push(key);
+      // 只查找一次
+      const regex = new RegExp(`["'\`]${key}["'\`]`);
+      if (regex.test(allSource)) {
+        used[key] = i18n[key];
+      } else {
+        unused.push(key);
+      }
     }
     checked++;
     if (checked % 20 === 0 || checked === total) {
diff --git a/src/locales/en.json b/src/locales/en.json
index 9f3fc9b7..2ace044e 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -280,6 +280,9 @@
   "Verge Advanced Setting": "Verge Advanced Setting",
   "Language": "Language",
   "Theme Mode": "Theme Mode",
+  "theme.light": "Light",
+  "theme.dark": "Dark",
+  "theme.system": "System",
   "Tray Click Event": "Tray Click Event",
   "Show Main Window": "Show Main Window",
   "Show Tray Menu": "Show Tray Menu",
@@ -564,4 +567,4 @@
   "Failed to save settings": "Failed to save settings",
   "TCP Concurrency": "TCP Concurrency",
   "TCP ConcurrencyWhen accessing a web page, DNS resolution generally results in multiple IP addresses.": "TCP ConcurrencyWhen accessing a web page, DNS resolution generally results in multiple IP addresses."
-}
+}
\ No newline at end of file
diff --git a/src/locales/jp.json b/src/locales/jp.json
index c2999c41..0c3dfa7c 100644
--- a/src/locales/jp.json
+++ b/src/locales/jp.json
@@ -280,6 +280,9 @@
   "Verge Advanced Setting": "Verge詳細設定",
   "Language": "言語設定",
   "Theme Mode": "テーマモード",
+  "theme.light": "ライト",
+  "theme.dark": "ダーク",
+  "theme.system": "システム",
   "Tray Click Event": "トレイアイコンクリックイベント",
   "Show Main Window": "メインウィンドウを表示",
   "Show Tray Menu": "トレイメニューを表示",
diff --git a/src/locales/zh.json b/src/locales/zh.json
index 8cb381cf..2124c418 100644
--- a/src/locales/zh.json
+++ b/src/locales/zh.json
@@ -280,6 +280,9 @@
   "Verge Advanced Setting": "Verge 高级设置",
   "Language": "语言设置",
   "Theme Mode": "主题模式",
+  "theme.light": "浅色",
+  "theme.dark": "深色",
+  "theme.system": "系统",
   "Tray Click Event": "托盘点击事件",
   "Show Main Window": "显示主窗口",
   "Show Tray Menu": "显示托盘菜单",
@@ -564,4 +567,4 @@
   "Failed to save settings": "端口设置失败",
   "TCP Concurrency": "TCP并发",
   "TCP ConcurrencyWhen accessing a web page, DNS resolution generally results in multiple IP addresses.": "TCP 并发性当访问网页时，DNS 解析通常会产生多个 IP 地址。"
-}
+}
\ No newline at end of file
diff --git a/src/locales/zhtw.json b/src/locales/zhtw.json
index d38f6dfd..88a43a53 100644
--- a/src/locales/zhtw.json
+++ b/src/locales/zhtw.json
@@ -280,6 +280,9 @@
   "Verge Advanced Setting": "Verge 高級設置",
   "Language": "語言設置",
   "Theme Mode": "主題模式",
+  "theme.light": "淺色",
+  "theme.dark": "深色",
+  "theme.system": "系統",
   "Tray Click Event": "托盤點擊事件",
   "Show Main Window": "顯示主窗口",
   "Show Tray Menu": "顯示托盤菜單",