diff --git a/e2e/playwright.config.ts b/e2e/playwright.config.ts
index 4be6c55..1829d31 100644
--- a/e2e/playwright.config.ts
+++ b/e2e/playwright.config.ts
@@ -5,6 +5,7 @@ export default defineConfig({
   timeout: 10000,
   use: {
     baseURL: 'http://localhost:5173',
+    locale: 'zh-CN',
   },
   webServer: {
     command: 'npm run dev',
diff --git a/e2e/tests/crud-undo.spec.ts b/e2e/tests/crud-undo.spec.ts
new file mode 100644
index 0000000..108097d
--- /dev/null
+++ b/e2e/tests/crud-undo.spec.ts
@@ -0,0 +1,29 @@
+import { test, expect } from '@playwright/test';
+import { createIpcMock } from '../mocks/ipc';
+
+test.beforeEach(async ({ page }) => {
+  await page.addInitScript(createIpcMock());
+  await page.goto('/');
+});
+
+test('添加路径后可撤销和重做', async ({ page }) => {
+  // 点击"新建"按钮
+  await page.click('text=新建');
+  // 填入路径（对话框内自动聚焦的 input）
+  await page.locator('.fixed.inset-0 input[type="text"]').fill('C:\\\\NewPath');
+  // 对话框确认按钮是"确认"
+  await page.click('text=确认');
+  // 路径应出现在列表中
+  await page.waitForTimeout(300);
+  await expect(page.locator('text=C:\\\\NewPath')).toBeVisible();
+
+  // Ctrl+Z 撤销
+  await page.keyboard.press('Control+z');
+  await page.waitForTimeout(300);
+  await expect(page.locator('text=C:\\\\NewPath')).not.toBeVisible();
+
+  // Ctrl+Y 重做
+  await page.keyboard.press('Control+y');
+  await page.waitForTimeout(300);
+  await expect(page.locator('text=C:\\\\NewPath')).toBeVisible();
+});
diff --git a/e2e/tests/search-clean.spec.ts b/e2e/tests/search-clean.spec.ts
new file mode 100644
index 0000000..0055970
--- /dev/null
+++ b/e2e/tests/search-clean.spec.ts
@@ -0,0 +1,51 @@
+import { test, expect } from '@playwright/test';
+
+test.beforeEach(async ({ page }) => {
+  await page.addInitScript(() => {
+    window.__TAURI_INTERNALS__ = {
+      invoke: async (cmd, args) => {
+        switch (cmd) {
+          case 'check_admin': return true;
+          case 'load_system_paths': return ['C:\\\\Windows', 'invalid_path', 'C:\\\\Temp'];
+          case 'load_user_paths': return [];
+          case 'load_disabled_state': return { system: [], user: [] };
+          case 'save_system_paths': return undefined;
+          case 'save_user_paths': return undefined;
+          case 'save_disabled_state': return undefined;
+          case 'backup_registry': return '';
+          case 'broadcast_env_change': return undefined;
+          case 'validate_path': return false;
+          case 'expand_env_vars': return '';
+          case 'read_text_file': return '';
+          case 'get_appdata_dir': return '';
+          default: return undefined;
+        }
+      }
+    };
+  });
+  await page.goto('/');
+});
+
+test('搜索过滤后清理无效路径', async ({ page }) => {
+  // 初始 3 条路径
+  await page.waitForTimeout(500);
+  await expect(page.locator('table tbody tr')).toHaveCount(3);
+
+  // 搜索 "Windows"
+  const searchInput = page.locator('input[placeholder]');
+  await searchInput.fill('Windows');
+  await page.waitForTimeout(300);
+  await expect(page.locator('table tbody tr')).toHaveCount(1);
+
+  // 清除搜索
+  await searchInput.fill('');
+  await page.waitForTimeout(300);
+  await expect(page.locator('table tbody tr')).toHaveCount(3);
+
+  // 点击"一键清理"按钮
+  await page.click('text=一键清理');
+  await page.waitForTimeout(300);
+  // is_valid_path_format 只校验格式，不检查存在性
+  // "invalid_path" 格式无效被移除，C:\Windows 和 C:\Temp 格式有效保留
+  await expect(page.locator('table tbody tr')).toHaveCount(2);
+});
diff --git a/e2e/tests/startup.spec.ts b/e2e/tests/startup.spec.ts
new file mode 100644
index 0000000..19cc83f
--- /dev/null
+++ b/e2e/tests/startup.spec.ts
@@ -0,0 +1,17 @@
+import { test, expect } from '@playwright/test';
+import { createIpcMock } from '../mocks/ipc';
+
+test.beforeEach(async ({ page }) => {
+  await page.addInitScript(createIpcMock());
+  await page.goto('/');
+});
+
+test('启动后加载系统 PATH 和用户 PATH', async ({ page }) => {
+  // 系统 tab 默认激活，显示 2 条路径
+  await expect(page.locator('table tbody tr')).toHaveCount(2);
+
+  // 切换到用户 tab
+  await page.click('text=用户变量');
+  await page.waitForTimeout(300);
+  await expect(page.locator('table tbody tr')).toHaveCount(1);
+});
diff --git a/e2e/tests/toggle-save.spec.ts b/e2e/tests/toggle-save.spec.ts
new file mode 100644
index 0000000..660b414
--- /dev/null
+++ b/e2e/tests/toggle-save.spec.ts
@@ -0,0 +1,24 @@
+import { test, expect } from '@playwright/test';
+import { createIpcMock } from '../mocks/ipc';
+
+test.beforeEach(async ({ page }) => {
+  await page.addInitScript(createIpcMock());
+  await page.goto('/');
+});
+
+test('禁用路径后灰显并保存', async ({ page }) => {
+  // 点击第一个路径的 checkbox 将其禁用
+  const checkbox = page.locator('table tbody tr').first().locator('input[type="checkbox"]');
+  await checkbox.click();
+  await page.waitForTimeout(300);
+
+  // 路径文本应有删除线样式（第 3 列是路径列，nth(2) 即 0-indexed 第 3 个 td）
+  const row = page.locator('table tbody tr').first();
+  await expect(row.locator('td').nth(2)).toHaveCSS('text-decoration-line', 'line-through');
+
+  // 点击"确定"保存
+  await page.click('text=确定');
+  await page.waitForTimeout(500);
+  // 状态栏应显示"保存成功"
+  await expect(page.locator('text=保存成功')).toBeVisible();
+});