diff --git a/apps/server/src/modules/workspaces/permission.ts b/apps/server/src/modules/workspaces/permission.ts
index 2376d71c0b..02f988b581 100644
--- a/apps/server/src/modules/workspaces/permission.ts
+++ b/apps/server/src/modules/workspaces/permission.ts
@@ -47,37 +47,38 @@ export class PermissionService {
 
   async isAccessible(ws: string, id: string, user?: string): Promise<boolean> {
     if (user) {
-      return await this.tryCheck(ws, user);
+      const hasPermission = await this.tryCheck(ws, user);
+      if (hasPermission) return true;
+    }
+
+    // check if this is a public workspace
+    const count = await this.prisma.workspace.count({
+      where: { id: ws, public: true },
+    });
+    if (count > 0) {
+      return true;
+    }
+
+    // check whether this is a public subpage
+    const workspace = await this.prisma.userWorkspacePermission.findMany({
+      where: {
+        workspaceId: ws,
+        userId: null,
+      },
+    });
+    const subpages = workspace
+      .map(ws => ws.subPageId)
+      .filter((v): v is string => !!v);
+    if (subpages.length > 0 && ws === id) {
+      // rootDoc is always accessible when there is a public subpage
+      return true;
     } else {
-      // check if this is a public workspace
-      const count = await this.prisma.workspace.count({
-        where: { id: ws, public: true },
-      });
-      if (count > 0) {
-        return true;
-      }
+      // check if this is a public subpage
 
-      // check whether this is a public subpage
-      const workspace = await this.prisma.userWorkspacePermission.findMany({
-        where: {
-          workspaceId: ws,
-          userId: null,
-        },
-      });
-      const subpages = workspace
-        .map(ws => ws.subPageId)
-        .filter((v): v is string => !!v);
-      if (subpages.length > 0 && ws === id) {
-        // rootDoc is always accessible when there is a public subpage
-        return true;
-      } else {
-        // check if this is a public subpage
-
-        // why use `endsWith`?
-        // because there might have `${wsId}:space:${subpageId}`,
-        // but subpages only have `${subpageId}`
-        return subpages.some(subpage => id.endsWith(subpage));
-      }
+      // why use `endsWith`?
+      // because there might have `${wsId}:space:${subpageId}`,
+      // but subpages only have `${subpageId}`
+      return subpages.some(subpage => id.endsWith(subpage));
     }
   }
 
diff --git a/apps/server/tests/workspace.e2e.ts b/apps/server/tests/workspace.e2e.ts
index 1249d8dd8b..d569eff473 100644
--- a/apps/server/tests/workspace.e2e.ts
+++ b/apps/server/tests/workspace.e2e.ts
@@ -132,6 +132,26 @@ test('should share a page', async t => {
   t.is(pages.length, 1, 'failed to get shared pages');
   t.is(pages[0], 'page1', 'failed to get shared page: page1');
 
+  const resp1 = await request(app.getHttpServer())
+    .get(`/api/workspaces/${workspace.id}/docs/${workspace.id}`)
+    .auth(u1.token.token, { type: 'bearer' });
+  t.is(resp1.statusCode, 200, 'failed to get root doc with u1 token');
+  const resp2 = await request(app.getHttpServer()).get(
+    `/api/workspaces/${workspace.id}/docs/${workspace.id}`
+  );
+  t.is(resp2.statusCode, 200, 'should not get root doc without token');
+
+  const resp3 = await request(app.getHttpServer())
+    .get(`/api/workspaces/${workspace.id}/docs/page1`)
+    .auth(u1.token.token, { type: 'bearer' });
+  // 404 because we don't put the page doc to server
+  t.is(resp3.statusCode, 404, 'failed to get shared doc with u1 token');
+  const resp4 = await request(app.getHttpServer()).get(
+    `/api/workspaces/${workspace.id}/docs/page1`
+  );
+  // 404 because we don't put the page doc to server
+  t.is(resp4.statusCode, 404, 'should not get shared doc without token');
+
   const msg1 = await sharePage(app, u2.token.token, 'not_exists_ws', 'page2');
   t.is(msg1, 'Permission denied', 'unauthorized user can share page');
   const msg2 = await revokePage(app, u2.token.token, 'not_exists_ws', 'page2');