diff --git a/tests/affine-cloud/e2e/basic.spec.ts b/tests/affine-cloud/e2e/basic.spec.ts
index 9c6ff19f9e..f04c9fc07d 100644
--- a/tests/affine-cloud/e2e/basic.spec.ts
+++ b/tests/affine-cloud/e2e/basic.spec.ts
@@ -20,7 +20,7 @@ test.beforeEach(async () => {
 });
 
 test.beforeEach(async ({ page, context }) => {
-  await loginUser(page, user, {
+  await loginUser(page, user.email, {
     beforeLogin: async () => {
       expect(await getLoginCookie(context)).toBeUndefined();
     },
diff --git a/tests/affine-cloud/e2e/collaboration.spec.ts b/tests/affine-cloud/e2e/collaboration.spec.ts
index 47864a0456..7accc1e31b 100644
--- a/tests/affine-cloud/e2e/collaboration.spec.ts
+++ b/tests/affine-cloud/e2e/collaboration.spec.ts
@@ -1,15 +1,20 @@
 import { test } from '@affine-test/kit/playwright';
-import { createRandomUser, loginUser } from '@affine-test/kit/utils/cloud';
+import {
+  addUserToWorkspace,
+  createRandomUser,
+  enableCloudWorkspace,
+  loginUser,
+} from '@affine-test/kit/utils/cloud';
 import {
   clickNewPageButton,
   getBlockSuiteEditorTitle,
   waitForEditorLoad,
 } from '@affine-test/kit/utils/page-logic';
-import { clickSideBarSettingButton } from '@affine-test/kit/utils/sidebar';
 import { createLocalWorkspace } from '@affine-test/kit/utils/workspace';
 import { expect } from '@playwright/test';
 
 let user: {
+  id: string;
   name: string;
   email: string;
   password: string;
@@ -20,7 +25,7 @@ test.beforeEach(async () => {
 });
 
 test.beforeEach(async ({ page }) => {
-  await loginUser(page, user);
+  await loginUser(page, user.email);
 });
 
 test.describe('collaboration', () => {
@@ -33,14 +38,7 @@ test.describe('collaboration', () => {
       },
       page
     );
-    await clickSideBarSettingButton(page);
-    await page.getByTestId('current-workspace-label').click();
-    await page.getByTestId('publish-enable-affine-cloud-button').click();
-    await page.getByTestId('confirm-enable-affine-cloud-button').click();
-    // wait for upload and delete local workspace
-    await page.waitForTimeout(2000);
-    await waitForEditorLoad(page);
-    await clickNewPageButton(page);
+    await enableCloudWorkspace(page);
     const title = getBlockSuiteEditorTitle(page);
     await title.type('TEST TITLE', {
       delay: 50,
@@ -67,4 +65,39 @@ test.describe('collaboration', () => {
       );
     }
   });
+
+  test('can collaborate with other user', async ({ page, browser }) => {
+    await page.reload();
+    await waitForEditorLoad(page);
+    await createLocalWorkspace(
+      {
+        name: 'test',
+      },
+      page
+    );
+    await enableCloudWorkspace(page);
+    await clickNewPageButton(page);
+    const currentUrl = page.url();
+    // format: http://localhost:8080/workspace/${workspaceId}/xxx
+    const workspaceId = currentUrl.split('/')[4];
+    const userB = await createRandomUser();
+    const context = await browser.newContext();
+    const page2 = await context.newPage();
+    await loginUser(page2, userB.email);
+    await addUserToWorkspace(workspaceId, userB.id, 1 /* READ */);
+    await page2.reload();
+    await waitForEditorLoad(page2);
+    await page2.goto(currentUrl);
+    {
+      const title = getBlockSuiteEditorTitle(page);
+      await title.type('TEST TITLE', {
+        delay: 50,
+      });
+    }
+    await page2.waitForTimeout(200);
+    {
+      const title = getBlockSuiteEditorTitle(page2);
+      expect(await title.innerText()).toBe('TEST TITLE');
+    }
+  });
 });
diff --git a/tests/kit/tsconfig.json b/tests/kit/tsconfig.json
index cdcdf6248d..d661639f21 100644
--- a/tests/kit/tsconfig.json
+++ b/tests/kit/tsconfig.json
@@ -5,5 +5,10 @@
     "noEmit": false,
     "outDir": "lib"
   },
-  "include": ["./*.ts", "utils"]
+  "include": ["./*.ts", "utils"],
+  "references": [
+    {
+      "path": "../../apps/server"
+    }
+  ]
 }
diff --git a/tests/kit/utils/cloud.ts b/tests/kit/utils/cloud.ts
index 18e9621a8f..c9600b116b 100644
--- a/tests/kit/utils/cloud.ts
+++ b/tests/kit/utils/cloud.ts
@@ -1,6 +1,12 @@
 import { openHomePage } from '@affine-test/kit/utils/load-page';
-import { waitForEditorLoad } from '@affine-test/kit/utils/page-logic';
-import { clickSideBarCurrentWorkspaceBanner } from '@affine-test/kit/utils/sidebar';
+import {
+  clickNewPageButton,
+  waitForEditorLoad,
+} from '@affine-test/kit/utils/page-logic';
+import {
+  clickSideBarCurrentWorkspaceBanner,
+  clickSideBarSettingButton,
+} from '@affine-test/kit/utils/sidebar';
 import { faker } from '@faker-js/faker';
 import { hash } from '@node-rs/argon2';
 import type { BrowserContext, Cookie, Page } from '@playwright/test';
@@ -15,61 +21,105 @@ export async function getLoginCookie(
 }
 
 const cloudUserSchema = z.object({
+  id: z.string(),
   name: z.string(),
   email: z.string().email(),
   password: z.string(),
 });
 
-export type CloudUser = z.infer<typeof cloudUserSchema>;
+export const runPrisma = async <T>(
+  cb: (
+    prisma: InstanceType<
+      // eslint-disable-next-line @typescript-eslint/consistent-type-imports
+      typeof import('../../../apps/server/node_modules/@prisma/client').PrismaClient
+    >
+  ) => Promise<T>
+): Promise<T> => {
+  const {
+    PrismaClient,
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+  } = require('../../../apps/server/node_modules/@prisma/client');
+  const client = new PrismaClient();
+  await client.$connect();
+  try {
+    return await cb(client);
+  } finally {
+    await client.$disconnect();
+  }
+};
 
-export async function createRandomUser(): Promise<CloudUser> {
+export async function addUserToWorkspace(
+  workspaceId: string,
+  userId: string,
+  permission: number
+) {
+  await runPrisma(async client => {
+    const workspace = await client.workspace.findUnique({
+      where: {
+        id: workspaceId,
+      },
+    });
+    if (workspace == null) {
+      throw new Error(`workspace ${workspaceId} not found`);
+    }
+    await client.userWorkspacePermission.create({
+      data: {
+        workspaceId: workspace.id,
+        subPageId: null,
+        userId,
+        accepted: true,
+        type: permission,
+      },
+    });
+  });
+}
+
+export async function createRandomUser(): Promise<{
+  name: string;
+  email: string;
+  password: string;
+  id: string;
+}> {
   const user = {
     name: faker.internet.userName(),
     email: faker.internet.email().toLowerCase(),
     password: '123456',
-  } satisfies CloudUser;
-  const {
-    PrismaClient,
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-  } = require('../../../apps/server/node_modules/@prisma/client');
-  const client = new PrismaClient();
-  await client.$connect();
-  await client.user.create({
-    data: {
-      ...user,
-      emailVerified: new Date(),
-      password: await hash(user.password),
-    },
-  });
-  await client.$disconnect();
+  };
+  const result = await runPrisma(async client => {
+    await client.user.create({
+      data: {
+        ...user,
+        emailVerified: new Date(),
+        password: await hash(user.password),
+      },
+    });
 
-  const result = await client.user.findUnique({
-    where: {
-      email: user.email,
-    },
+    return await client.user.findUnique({
+      where: {
+        email: user.email,
+      },
+    });
   });
   cloudUserSchema.parse(result);
-  return result;
+  return {
+    ...result,
+    password: user.password,
+  } as any;
 }
 
 export async function deleteUser(email: string) {
-  const {
-    PrismaClient,
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-  } = require('../../../apps/server/node_modules/@prisma/client');
-  const client = new PrismaClient();
-  await client.$connect();
-  await client.user.delete({
-    where: {
-      email,
-    },
+  await runPrisma(async client => {
+    await client.user.delete({
+      where: {
+        email,
+      },
+    });
   });
-  await client.$disconnect();
 }
 
 export async function loginUser(
   page: Page,
-  user: CloudUser,
+  userEmail: string,
   config?: {
     beforeLogin?: () => Promise<void>;
     afterLogin?: () => Promise<void>;
@@ -82,7 +132,7 @@ export async function loginUser(
   await page.getByTestId('cloud-signin-button').click({
     delay: 200,
   });
-  await page.getByPlaceholder('Enter your email address').type(user.email, {
+  await page.getByPlaceholder('Enter your email address').type(userEmail, {
     delay: 50,
   });
   await page.getByTestId('continue-login-button').click({
@@ -104,3 +154,14 @@ export async function loginUser(
     await config.afterLogin();
   }
 }
+
+export async function enableCloudWorkspace(page: Page) {
+  await clickSideBarSettingButton(page);
+  await page.getByTestId('current-workspace-label').click();
+  await page.getByTestId('publish-enable-affine-cloud-button').click();
+  await page.getByTestId('confirm-enable-affine-cloud-button').click();
+  // wait for upload and delete local workspace
+  await page.waitForTimeout(2000);
+  await waitForEditorLoad(page);
+  await clickNewPageButton(page);
+}