diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
new file mode 100644
index 000000000..6b815b4a9
--- /dev/null
+++ b/.github/workflows/playwright.yml
@@ -0,0 +1,44 @@
+name: Playwright Tests
+on:
+  push:
+    branches: [pathfinder]
+  pull_request:
+    branches: [pathfinder]
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: self-hosted
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 'latest'
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+          registry-url: https://npm.pkg.github.com
+          scope: '@toeverything'
+          cache: 'pnpm'
+
+      - run: node scripts/module-resolve/ci.js
+
+      - name: Install dependencies
+        run: pnpm install --no-frozen-lockfile
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_GITHUB_AUTH_TOKEN }}
+
+      - name: Install Playwright Browsers
+        run: npx playwright install --with-deps
+
+      - name: Run Playwright tests
+        run: pnpm dlx playwright test
+
+      - uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 30
diff --git a/.gitignore b/.gitignore
index 924094754..2d049c3c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,6 @@ Thumbs.db
 out/
 
 module-resolve.js
+/test-results/
+/playwright-report/
+/playwright/.cache/
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 784f0f182..df31aeb4b 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,5 +2,6 @@
   "eslint.packageManager": "pnpm",
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true,
-  "editor.formatOnSaveMode": "file"
+  "editor.formatOnSaveMode": "file",
+  "cSpell.words": ["testid"]
 }
diff --git a/package.json b/package.json
index 40bce5546..84342f92f 100644
--- a/package.json
+++ b/package.json
@@ -7,14 +7,16 @@
     "build": "pnpm -r build",
     "export": "pnpm --filter @pathfinder/app export",
     "start": "pnpm --filter @pathfinder/app start",
-    "lint": "pnpm --filter @pathfinder/app lint"
+    "lint": "pnpm --filter @pathfinder/app lint",
+    "test:e2e": "playwright test"
   },
-  "dependencies": {},
   "devDependencies": {
-    "prettier": "^2.7.1",
+    "@playwright/test": "^1.27.1",
+    "@types/node": "18.7.18",
     "eslint": "8.22.0",
     "eslint-config-next": "12.3.1",
     "eslint-config-prettier": "^8.5.0",
-    "eslint-plugin-prettier": "^4.2.1"
+    "eslint-plugin-prettier": "^4.2.1",
+    "prettier": "^2.7.1"
   }
 }
diff --git a/packages/app/src/components/theme-mode-switch/index.tsx b/packages/app/src/components/theme-mode-switch/index.tsx
index 324a3cfda..ad3c32dd3 100644
--- a/packages/app/src/components/theme-mode-switch/index.tsx
+++ b/packages/app/src/components/theme-mode-switch/index.tsx
@@ -9,6 +9,7 @@ export const ThemeModeSwitch = () => {
   const [firstTrigger, setFirstTrigger] = useState(false);
   return (
     <StyledThemeModeSwitch
+      data-testid="change-theme-container"
       onMouseEnter={() => {
         setIsHover(true);
         if (!firstTrigger) {
@@ -20,6 +21,7 @@ export const ThemeModeSwitch = () => {
       }}
     >
       <StyledSwitchItem
+        data-testid="change-theme-light"
         active={mode === 'light'}
         isHover={isHover}
         firstTrigger={firstTrigger}
@@ -30,6 +32,7 @@ export const ThemeModeSwitch = () => {
         <SunIcon />
       </StyledSwitchItem>
       <StyledSwitchItem
+        data-testid="change-theme-dark"
         active={mode === 'dark'}
         isHover={isHover}
         firstTrigger={firstTrigger}
diff --git a/playwright.config.ts b/playwright.config.ts
new file mode 100644
index 000000000..8c2058205
--- /dev/null
+++ b/playwright.config.ts
@@ -0,0 +1,109 @@
+import type { PlaywrightTestConfig } from '@playwright/test';
+import { devices } from '@playwright/test';
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// require('dotenv').config();
+
+/**
+ * See https://playwright.dev/docs/test-configuration.
+ */
+const config: PlaywrightTestConfig = {
+  testDir: './tests',
+  /* Maximum time one test can run for. */
+  timeout: 30 * 1000,
+  expect: {
+    /**
+     * Maximum time expect() should wait for the condition to be met.
+     * For example in `await expect(locator).toHaveText();`
+     */
+    timeout: 5000,
+  },
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  forbidOnly: !!process.env.CI,
+  /* Retry on CI only */
+  retries: process.env.CI ? 2 : 0,
+  /* Opt out of parallel tests on CI. */
+  workers: process.env.CI ? 1 : undefined,
+  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+  reporter: 'list',
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
+    actionTimeout: 0,
+    /* Base URL to use in actions like `await page.goto('/')`. */
+    // baseURL: 'http://localhost:3000',
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: 'on-first-retry',
+    /* Record video when failure */
+    // video: 'retain-on-failure',
+  },
+
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: 'chromium',
+      use: {
+        ...devices['Desktop Chrome'],
+      },
+    },
+
+    {
+      name: 'firefox',
+      use: {
+        ...devices['Desktop Firefox'],
+      },
+    },
+
+    {
+      name: 'webkit',
+      use: {
+        ...devices['Desktop Safari'],
+      },
+    },
+
+    /* Test against mobile viewports. */
+    // {
+    //   name: 'Mobile Chrome',
+    //   use: {
+    //     ...devices['Pixel 5'],
+    //   },
+    // },
+    // {
+    //   name: 'Mobile Safari',
+    //   use: {
+    //     ...devices['iPhone 12'],
+    //   },
+    // },
+
+    /* Test against branded browsers. */
+    // {
+    //   name: 'Microsoft Edge',
+    //   use: {
+    //     channel: 'msedge',
+    //   },
+    // },
+    // {
+    //   name: 'Google Chrome',
+    //   use: {
+    //     channel: 'chrome',
+    //   },
+    // },
+  ],
+
+  /* Folder for test artifacts such as screenshots, videos, traces, etc. */
+  // outputDir: 'test-results/',
+
+  /* Run your local dev server before starting the tests */
+  webServer: {
+    command: 'npm run dev',
+    port: 3000,
+  },
+};
+
+export default config;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 370b2a141..99663574a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -4,12 +4,16 @@ importers:
 
   .:
     specifiers:
+      '@playwright/test': ^1.27.1
+      '@types/node': 18.7.18
       eslint: 8.22.0
       eslint-config-next: 12.3.1
       eslint-config-prettier: ^8.5.0
       eslint-plugin-prettier: ^4.2.1
       prettier: ^2.7.1
     devDependencies:
+      '@playwright/test': 1.27.1
+      '@types/node': 18.7.18
       eslint: 8.22.0
       eslint-config-next: 12.3.1_eslint@8.22.0
       eslint-config-prettier: 8.5.0_eslint@8.22.0
@@ -853,6 +857,15 @@ packages:
       fastq: 1.13.0
     dev: true
 
+  /@playwright/test/1.27.1:
+    resolution: {integrity: sha512-mrL2q0an/7tVqniQQF6RBL2saskjljXzqNcCOVMUjRIgE6Y38nCNaP+Dc2FBW06bcpD3tqIws/HT9qiMHbNU0A==}
+    engines: {node: '>=14'}
+    hasBin: true
+    dependencies:
+      '@types/node': 18.7.18
+      playwright-core: 1.27.1
+    dev: true
+
   /@popperjs/core/2.11.6:
     resolution: {integrity: sha512-50/17A98tWUfQ176raKiOGXuYpLyyVMkxxG6oylzL3BPOlA6ADGdK7EYunSa4I064xerltq9TGXs8HmOk5E+vw==}
     dev: false
@@ -2577,6 +2590,12 @@ packages:
     engines: {node: '>=8.6'}
     dev: true
 
+  /playwright-core/1.27.1:
+    resolution: {integrity: sha512-9EmeXDncC2Pmp/z+teoVYlvmPWUC6ejSSYZUln7YaP89Z6lpAaiaAnqroUt/BoLo8tn7WYShcfaCh+xofZa44Q==}
+    engines: {node: '>=14'}
+    hasBin: true
+    dev: true
+
   /postcss/8.4.14:
     resolution: {integrity: sha512-E398TUmfAYFPBSdzgeieK2Y1+1cpdxJx8yXbK/m57nRhKSmk1GB2tO4lbLBtlkfPQTDKfe4Xqv1ASWPpayPEig==}
     engines: {node: ^10 || ^12 || >=14}
diff --git a/tests/theme.spec.ts b/tests/theme.spec.ts
new file mode 100644
index 000000000..c2a5b1332
--- /dev/null
+++ b/tests/theme.spec.ts
@@ -0,0 +1,48 @@
+import { test, expect, type Page } from '@playwright/test';
+
+test.beforeEach(async ({ page }) => {
+  await page.goto('http://localhost:3000');
+});
+
+test.describe('Change Theme', () => {
+  test('default white', async ({ page }) => {
+    const root = page.locator('html');
+    const themeMode = await root.evaluate(element =>
+      window.getComputedStyle(element).getPropertyValue('--affine-theme-mode')
+    );
+
+    await expect(themeMode).toBe('light');
+
+    const lightButton = page.locator('[data-testid=change-theme-light]');
+    const buttonPositionTop = await lightButton.evaluate(
+      element => window.getComputedStyle(element).top
+    );
+    await expect(buttonPositionTop).toBe('0px');
+  });
+
+  test('change theme to dark', async ({ page }) => {
+    const changeThemeContainer = page.locator(
+      '[data-testid=change-theme-container]'
+    );
+    const box = await changeThemeContainer.boundingBox();
+    await expect(box?.x).not.toBeUndefined();
+    await page.mouse.move((box?.x ?? 0) + 5, (box?.y ?? 0) + 5);
+
+    await page.waitForTimeout(3000);
+
+    const darkButton = page.locator('[data-testid=change-theme-dark]');
+    const darkButtonPositionTop = await darkButton.evaluate(
+      element => element.getBoundingClientRect().y
+    );
+    await expect(darkButtonPositionTop).toBe(box?.y);
+
+    await page.mouse.click((box?.x ?? 0) + 5, (box?.y ?? 0) + 5);
+
+    const root = page.locator('html');
+    const themeMode = await root.evaluate(element =>
+      window.getComputedStyle(element).getPropertyValue('--affine-theme-mode')
+    );
+
+    await expect(themeMode).toBe('dark');
+  });
+});