diff --git a/novalon-manage-web/e2e/critical-e2e.spec.ts b/novalon-manage-web/e2e/critical-e2e.spec.ts
new file mode 100644
index 0000000..16328e1
--- /dev/null
+++ b/novalon-manage-web/e2e/critical-e2e.spec.ts
@@ -0,0 +1,94 @@
+import { test, expect, Page } from '@playwright/test';
+import { LoginPage } from './pages/LoginPage';
+import { UserManagementPage } from './pages/UserManagementPage';
+
+test.describe('关键业务流程E2E测试', () => {
+  let loginPage: LoginPage;
+  let userManagementPage: UserManagementPage;
+
+  test.beforeEach(async ({ page }) => {
+    await page.goto('/');
+    await page.waitForLoadState('domcontentloaded');
+
+    loginPage = new LoginPage(page);
+    userManagementPage = new UserManagementPage(page);
+  });
+
+  test.afterEach(async ({ page }) => {
+    await page.evaluate(() => {
+      localStorage.clear();
+      sessionStorage.clear();
+    });
+  });
+
+  test('1. 用户登录流程', async ({ page }) => {
+    await loginPage.goto();
+    await loginPage.login('admin', 'admin123');
+
+    await expect(page).toHaveURL(/\/(dashboard|\/)$/, { timeout: 10000 });
+    await expect(page.locator('.dashboard')).toBeVisible();
+
+    const token = await page.evaluate(() => localStorage.getItem('token'));
+    expect(token).toBeTruthy();
+  });
+
+  test('2. 用户创建流程', async ({ page }) => {
+    await loginPage.goto();
+    await loginPage.login('admin', 'admin123');
+    await page.waitForURL(/\/(dashboard|\/)$/, { timeout: 10000 });
+
+    await userManagementPage.goto();
+    await userManagementPage.waitForTableReady();
+
+    const uuid = Math.random().toString(36).substring(2, 15);
+    const username = `user_${uuid}`;
+
+    await userManagementPage.clickCreateUser();
+    await userManagementPage.fillUserForm({
+      username: username,
+      password: 'Test@123',
+      email: `${username}@test.com`,
+      phone: '13800138000',
+      nickname: `测试用户${Date.now()}`
+    });
+    await userManagementPage.submitForm();
+
+    const success = await userManagementPage.waitForSuccessMessage();
+    expect(success).toBeTruthy();
+  });
+
+  test('3. 管理员权限验证', async ({ page }) => {
+    await loginPage.goto();
+    await loginPage.login('admin', 'admin123');
+    await page.waitForURL(/\/(dashboard|\/)$/, { timeout: 10000 });
+
+    await userManagementPage.goto();
+    await expect(userManagementPage.table).toBeVisible({ timeout: 5000 });
+
+    const userCount = await userManagementPage.getUserCount();
+    expect(userCount).toBeGreaterThan(0);
+  });
+
+  test('4. 未登录用户访问受保护页面', async ({ page }) => {
+    await page.goto('/dashboard');
+    
+    await page.waitForURL(/\/login/, { timeout: 10000 });
+    await expect(page.locator('input[placeholder="请输入用户名"]')).toBeVisible();
+  });
+
+  test('5. 登出流程', async ({ page }) => {
+    await loginPage.goto();
+    await loginPage.login('admin', 'admin123');
+    await page.waitForURL(/\/(dashboard|\/)$/, { timeout: 10000 });
+
+    const avatar = page.locator('.el-avatar');
+    await avatar.click();
+    await page.waitForTimeout(1000);
+
+    const logoutButton = page.locator('.el-dropdown-menu').getByText('退出登录');
+    await logoutButton.click();
+    
+    await page.waitForURL(/\/login/, { timeout: 10000 });
+    await expect(page.locator('input[placeholder="请输入用户名"]')).toBeVisible();
+  });
+});