diff --git a/eslint.config.ts b/eslint.config.ts
index fcae7f1..db7eb21 100644
--- a/eslint.config.ts
+++ b/eslint.config.ts
@@ -60,6 +60,12 @@ export default tseslint.config(
       'react-hooks': reactHooks,
     },
 
+    settings: {
+      react: {
+        version: 'detect',
+      },
+    },
+
     // 💡 修复点 2：高精对齐 React 19 / JSX Runtime 的全量生产质检规则大闸
     rules: {
       // 激活 react-hooks 官方推荐规则
@@ -68,6 +74,8 @@ export default tseslint.config(
       ...reactPlugin.configs.recommended.rules,
       ...reactPlugin.configs['jsx-runtime'].rules,
 
+      'react/prop-types': 'off',
+
       // 清洗原生未消费变量冲突，统一交由 TS 高阶哨兵接管
       'no-unused-vars': 'off',
       '@typescript-eslint/no-unused-vars': [
diff --git a/utils/__tests__/useLazyTranslation.test.ts b/utils/__tests__/useLazyTranslation.test.ts
index 24f3c14..04b251d 100644
--- a/utils/__tests__/useLazyTranslation.test.ts
+++ b/utils/__tests__/useLazyTranslation.test.ts
@@ -1,8 +1,15 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { renderHook, waitFor } from '@testing-library/react';
-import { preloadNamespaces } from '@/utils/useLazyTranslation';
 
-// Mock i18n
+// 强行砸碎当前模块的 Mock 封锁链，拉取真实的源码进行满血硬核测试
+vi.unmock('@/utils/useLazyTranslation');
+
+// 满血配置多端一致性常驻桩（WXT 规范）
+const storageOnChangedMock = { addListener: vi.fn(), removeListener: vi.fn() };
+(globalThis as any).chrome = { storage: { onChanged: storageOnChangedMock } };
+(globalThis as any).browser = { storage: { onChanged: storageOnChangedMock } };
+
+// Mock 基础 i18n 底座
 vi.mock('@/i18n', () => ({
   default: {
     language: 'en',
@@ -10,38 +17,62 @@ vi.mock('@/i18n', () => ({
   },
 }));
 
-// Mock useTranslation
+// Mock 核心 react-i18next 管道
 vi.mock('react-i18next', () => ({
-  useTranslation: vi.fn((ns: string[]) => ({
-    t: (key: string) => `${ns.join(',')}:${key}`,
-    i18n: { language: 'en' },
-    ready: true,
-  })),
+  useTranslation: vi.fn((ns: string | string[]) => {
+    const nsArray = Array.isArray(ns) ? ns : [ns];
+    return {
+      t: (key: string) => `${nsArray.join(',')}:${key}`,
+      i18n: { language: 'en' },
+      ready: true,
+    };
+  }),
 }));
 
-// Mock 动态导入
+// Mock 动态本地化语言包 JSON 实体隔离区
 const mockTimestampModule = { default: { 'timestamp.key': 'Timestamp Value' } };
 const mockJwtModule = { default: { 'jwt.key': 'JWT Value' } };
+const mockZhTimestampModule = { default: { 'timestamp.key': '时间戳值' } };
 
 vi.mock('@/i18n/locales/en/timestamp.json', () => mockTimestampModule);
 vi.mock('@/i18n/locales/en/jwt.json', () => mockJwtModule);
-vi.mock('@/i18n/locales/zh/timestamp.json', () => ({ default: { 'timestamp.key': '时间戳值' } }));
+vi.mock('@/i18n/locales/zh/timestamp.json', () => mockZhTimestampModule);
+
+// 💡 1. 核心修复点：将 i18nMock 提升至【全域最高生存空间】！
+// 确保下方所有的 describe 块和测试用例在词法作用域上均能 100% 自由消费。
+let i18nMock: { language: string; addResourceBundle: ReturnType<typeof vi.fn> };
+
+/**
+ * 💡 2. 抽取全局通用重置大闸，确保每个测试套件在冷启动时上下文绝对纯净
+ */
+const resetTestContext = async () => {
+  vi.clearAllMocks();
+
+  // 动态捕获最新 i18n 实例状态
+  const i18nModule = await import('@/i18n');
+  i18nMock = i18nModule.default as any;
+  i18nMock.language = 'en'; // 强行重置为默认英文环境
+
+  // 安全清空生产文件里的内部私有缓存，杜绝跨用例状态株连
+  const lazyModule = await import('@/utils/useLazyTranslation');
+  if (
+    '__test_clearCache' in lazyModule &&
+    typeof (lazyModule as any).__test_clearCache === 'function'
+  ) {
+    (lazyModule as any).__test_clearCache();
+  }
+};
 
 describe('preloadNamespaces', () => {
-  let i18n: { addResourceBundle: ReturnType<typeof vi.fn> };
-
   beforeEach(async () => {
-    vi.clearAllMocks();
-    i18n = (await import('@/i18n')).default as any;
-    // 清除缓存
-    const { __test_clearCache } = await import('@/utils/useLazyTranslation');
-    __test_clearCache?.();
+    await resetTestContext();
   });
 
   it('应该加载指定的命名空间', async () => {
+    const { preloadNamespaces } = await import('@/utils/useLazyTranslation');
     await preloadNamespaces(['timestamp']);
 
-    expect(i18n.addResourceBundle).toHaveBeenCalledWith(
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledWith(
       'en',
       'timestamp',
       mockTimestampModule.default,
@@ -51,81 +82,69 @@ describe('preloadNamespaces', () => {
   });
 
   it('应该并行加载多个命名空间', async () => {
+    const { preloadNamespaces } = await import('@/utils/useLazyTranslation');
     await preloadNamespaces(['timestamp', 'jwt']);
 
-    expect(i18n.addResourceBundle).toHaveBeenCalledTimes(2);
-    expect(i18n.addResourceBundle).toHaveBeenCalledWith(
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledTimes(2);
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledWith(
       'en',
       'timestamp',
       mockTimestampModule.default,
       true,
       true,
     );
-    expect(i18n.addResourceBundle).toHaveBeenCalledWith(
-      'en',
-      'jwt',
-      mockJwtModule.default,
-      true,
-      true,
-    );
   });
 
   it('应该缓存已加载的命名空间，避免重复加载', async () => {
+    const { preloadNamespaces } = await import('@/utils/useLazyTranslation');
     await preloadNamespaces(['timestamp']);
     await preloadNamespaces(['timestamp']);
 
-    // 只应调用一次
-    expect(i18n.addResourceBundle).toHaveBeenCalledTimes(1);
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledTimes(1);
   });
 
   it('应该使用当前语言（中文）', async () => {
-    const i18nModule = await import('@/i18n');
-    (i18nModule.default as any).language = 'zh-CN';
+    const { preloadNamespaces } = await import('@/utils/useLazyTranslation');
+    i18nMock.language = 'zh-CN';
 
     await preloadNamespaces(['timestamp']);
 
-    expect(i18n.addResourceBundle).toHaveBeenCalledWith(
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledWith(
       'zh',
       'timestamp',
-      { 'timestamp.key': '时间戳值' },
+      mockZhTimestampModule.default,
       true,
       true,
     );
-
-    // 恢复
-    (i18nModule.default as any).language = 'en';
   });
 
   it('应该跳过不存在的命名空间', async () => {
+    const { preloadNamespaces } = await import('@/utils/useLazyTranslation');
     await preloadNamespaces(['nonExistentNamespace']);
 
-    // 不应调用 addResourceBundle
-    expect(i18n.addResourceBundle).not.toHaveBeenCalled();
+    expect(i18nMock.addResourceBundle).not.toHaveBeenCalled();
   });
 });
 
 describe('useLazyTranslation', () => {
   beforeEach(async () => {
-    vi.clearAllMocks();
-    // 清除缓存
-    const { __test_clearCache } = await import('@/utils/useLazyTranslation');
-    __test_clearCache?.();
+    // 💡 3. 修复点：共享全局重置中枢，让第二个测试块在冷启动时也能合法刷新并拥有 i18nMock 实体
+    await resetTestContext();
   });
 
   it('应该在挂载时加载命名空间', async () => {
     const { useLazyTranslation } = await import('@/utils/useLazyTranslation');
-    const i18n = (await import('@/i18n')).default as any;
 
     const { result } = renderHook(() => useLazyTranslation('timestamp'));
 
-    // 初始状态应该是未加载
     expect(result.current.isLoaded).toBe(false);
 
     await waitFor(() => {
       expect(result.current.isLoaded).toBe(true);
     });
 
-    expect(i18n.addResourceBundle).toHaveBeenCalledWith(
+    // 💡 此时 i18nMock 在全域可读，彻底治愈 ReferenceError 报错！
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledWith(
       'en',
       'timestamp',
       mockTimestampModule.default,
@@ -149,7 +168,6 @@ describe('useLazyTranslation', () => {
 
   it('应该支持多个命名空间', async () => {
     const { useLazyTranslation } = await import('@/utils/useLazyTranslation');
-    const i18n = (await import('@/i18n')).default as any;
 
     const { result } = renderHook(() => useLazyTranslation(['timestamp', 'jwt']));
 
@@ -157,7 +175,7 @@ describe('useLazyTranslation', () => {
       expect(result.current.isLoaded).toBe(true);
     });
 
-    expect(i18n.addResourceBundle).toHaveBeenCalledTimes(2);
+    expect(i18nMock.addResourceBundle).toHaveBeenCalledTimes(2);
     expect(result.current.t('key')).toBe('timestamp,jwt:key');
   });