diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index 7323f4b..290a225 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -1,7 +1,7 @@
 {
   "identifier": "default",
   "description": "DevFlow default permissions",
-  "windows": ["main", "ai-detached"],
+  "windows": ["main", "ai-detached", "ai-detached-*", "fe-detached-*"],
   "permissions": [
     "core:default",
     "core:event:default",
diff --git a/src/components/settings/AdvancedSection.vue b/src/components/settings/AdvancedSection.vue
index a749966..7ceb18d 100644
--- a/src/components/settings/AdvancedSection.vue
+++ b/src/components/settings/AdvancedSection.vue
@@ -86,8 +86,14 @@ onMounted(async () => {
 // 字段。此处用 msg 拼标题+内容,dangerLabel 作确认按钮文案,自渲染独立弹层(上方模板)。
 const { confirmState, confirmDialog, answerConfirm } = useConfirm()
 
-// 三档合法值 + 脏值白名单兜底:KV 被外部改库为非法值(空串/非三档)时回退 low,
-// 防 <select v-model> 无匹配 option 致控件空白(后端 audit 脏值 fail-safe 降级审批,前端需对齐可视)。
+// 审批超时合法选项白名单(对齐 <select> option);脏值回退默认 15min。
+// 必须在 settings reactive 之前定义,防打包后初始化顺序导致 TDZ。
+const VALID_APPROVAL_TIMEOUTS = [0, 300_000, 900_000, 1_800_000, 3_600_000]
+function clampApprovalTimeout(raw: number): number {
+  return VALID_APPROVAL_TIMEOUTS.includes(raw) ? raw : 900_000
+}
+
+// 三档合法值 + 脏值白名单兜底
 const VALID_MODES = ['low', 'medium', 'all'] as const
 type AutoMode = (typeof VALID_MODES)[number]
 function clampMode(raw: string): AutoMode {
@@ -145,14 +151,6 @@ function markSaved() {
   rowLogLevel.value?.markSaved()
 }
 
-// 审批超时合法选项白名单(对齐 <select> option);脏值(外部改库为非法数字)回退默认 15min,
-// 防 <select v-model> 无匹配 option 致控件空白。允许的取值:0/5/15/30/60 分钟对应毫秒数。
-const VALID_APPROVAL_TIMEOUTS = [0, 300_000, 900_000, 1_800_000, 3_600_000]
-function clampApprovalTimeout(raw: number): number {
-  return VALID_APPROVAL_TIMEOUTS.includes(raw) ? raw : 900_000
-}
-
-// 审批超时下拉变更:落 KV(df-approval-timeout,ms)+ 显「已保存」反馈。
 // 下一笔发起的审批即生效(aiShared.startApprovalTimer 每次实时读),已在跑的计时器沿用旧值。
 function onApprovalTimeoutChange() {
   appSettings.set('df-approval-timeout', settings.approvalTimeout)
diff --git a/src/components/settings/AppearanceSection.vue b/src/components/settings/AppearanceSection.vue
index 235a796..0da24dd 100644
--- a/src/components/settings/AppearanceSection.vue
+++ b/src/components/settings/AppearanceSection.vue
@@ -43,8 +43,8 @@
 
 <script setup lang="ts">
 import { reactive, watch, onMounted, useTemplateRef } from 'vue'
+import { useI18n } from 'vue-i18n'
 import { useAppSettingsStore } from '@/stores/appSettings'
-import i18n from '@/i18n'
 import SettingRow from './SettingRow.vue'
 
 // ============================================================
@@ -53,6 +53,7 @@ import SettingRow from './SettingRow.vue'
 // 阶段5:SettingRow 封装行布局,控件变更后调 markSaved 显"已保存"
 // ============================================================
 const appSettings = useAppSettingsStore()
+const { locale } = useI18n()
 
 const settings = reactive({
   theme: appSettings.get<string>('df-theme', 'dark'),
@@ -107,7 +108,7 @@ watch(() => settings.streamingMd, (val) => {
 watch(() => settings.language, (val) => {
   void appSettings.set('df-language', val)
   // 同步 i18n 实例，让界面立即跟随语言切换
-  i18n.global.locale.value = val as 'zh-CN' | 'en'
+  locale.value = val as 'zh-CN' | 'en'
 })
 
 onMounted(() => {
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index a1a3cf4..adc202c 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -1,14 +1,16 @@
 import { createI18n } from 'vue-i18n'
 import zhCN from './zh-CN'
 import en from './en'
-import { useAppSettingsStore } from '@/stores/appSettings'
 
-// 界面语言:模块加载时 appSettings 缓存尚未填充(loadAll 在 App.vue onMounted 异步执行),
-// 故这里 get() 拿到默认 'zh-CN';真实用户偏好由 App.vue 在 loadAll 完成后回填到
-// i18n.global.locale.value,初帧渲染短暂 zh-CN 不影响功能。
-const getInitialLocale = () => {
+// 界面语言:直接读 localStorage(避免 import @/stores/appSettings 形成循环依赖 TDZ)。
+// appSettings.loadAll 也会从 SQLite 写入 localStorage,此处直读与 store 行为一致。
+const getInitialLocale = (): string => {
   if (typeof window !== 'undefined') {
-    return useAppSettingsStore().get<string>('df-language', 'zh-CN')
+    try {
+      return localStorage.getItem('df-language') || 'zh-CN'
+    } catch {
+      return 'zh-CN'
+    }
   }
   return 'zh-CN'
 }