diff --git a/blocksuite/framework/store/src/extension/index.ts b/blocksuite/framework/store/src/extension/index.ts
index 49b142cd99..bfd36d2c50 100644
--- a/blocksuite/framework/store/src/extension/index.ts
+++ b/blocksuite/framework/store/src/extension/index.ts
@@ -2,3 +2,4 @@ export * from './extension';
 export * from './schema';
 export * from './selection';
 export * from './store-extension';
+export * from './workspace';
diff --git a/blocksuite/framework/store/src/model/doc.ts b/blocksuite/framework/store/src/extension/workspace/doc.ts
similarity index 76%
rename from blocksuite/framework/store/src/model/doc.ts
rename to blocksuite/framework/store/src/extension/workspace/doc.ts
index a5cadfe24c..55f06ec775 100644
--- a/blocksuite/framework/store/src/model/doc.ts
+++ b/blocksuite/framework/store/src/extension/workspace/doc.ts
@@ -1,8 +1,8 @@
+import { createIdentifier } from '@blocksuite/global/di';
 import type * as Y from 'yjs';
 
-import type { AwarenessStore } from '../yjs/awareness.js';
-import type { YBlock } from './block/types.js';
-import type { Store, StoreOptions } from './store/store.js';
+import type { Store, StoreOptions, YBlock } from '../../model';
+import type { AwarenessStore } from '../../yjs';
 import type { Workspace } from './workspace.js';
 import type { DocMeta } from './workspace-meta.js';
 
@@ -34,3 +34,5 @@ export interface Doc {
   get spaceDoc(): Y.Doc;
   get yBlocks(): Y.Map<YBlock>;
 }
+
+export const DocIdentifier = createIdentifier<Doc>('store-doc');
diff --git a/blocksuite/framework/store/src/extension/workspace/index.ts b/blocksuite/framework/store/src/extension/workspace/index.ts
new file mode 100644
index 0000000000..b666bf801d
--- /dev/null
+++ b/blocksuite/framework/store/src/extension/workspace/index.ts
@@ -0,0 +1,3 @@
+export * from './doc';
+export * from './workspace';
+export * from './workspace-meta';
diff --git a/blocksuite/framework/store/src/model/workspace-meta.ts b/blocksuite/framework/store/src/extension/workspace/workspace-meta.ts
similarity index 100%
rename from blocksuite/framework/store/src/model/workspace-meta.ts
rename to blocksuite/framework/store/src/extension/workspace/workspace-meta.ts
diff --git a/blocksuite/framework/store/src/model/workspace.ts b/blocksuite/framework/store/src/extension/workspace/workspace.ts
similarity index 93%
rename from blocksuite/framework/store/src/model/workspace.ts
rename to blocksuite/framework/store/src/extension/workspace/workspace.ts
index 9c4f7176d2..7995273e80 100644
--- a/blocksuite/framework/store/src/model/workspace.ts
+++ b/blocksuite/framework/store/src/extension/workspace/workspace.ts
@@ -3,7 +3,7 @@ import type { Subject } from 'rxjs';
 import type { Awareness } from 'y-protocols/awareness.js';
 import type * as Y from 'yjs';
 
-import type { IdGenerator } from '../utils/id-generator.js';
+import type { IdGenerator } from '../../utils/id-generator';
 import type { Doc } from './doc.js';
 import type { WorkspaceMeta } from './workspace-meta.js';
 
diff --git a/blocksuite/framework/store/src/model/index.ts b/blocksuite/framework/store/src/model/index.ts
index 1a306fe20a..f5e7c433e4 100644
--- a/blocksuite/framework/store/src/model/index.ts
+++ b/blocksuite/framework/store/src/model/index.ts
@@ -1,6 +1,3 @@
 export * from './block/index.js';
-export * from './doc.js';
 export * from './store/index.js';
 export * from './store-container.js';
-export * from './workspace.js';
-export * from './workspace-meta.js';
diff --git a/blocksuite/framework/store/src/model/store-container.ts b/blocksuite/framework/store/src/model/store-container.ts
index e8bf0a13a1..974fc7140c 100644
--- a/blocksuite/framework/store/src/model/store-container.ts
+++ b/blocksuite/framework/store/src/model/store-container.ts
@@ -1,4 +1,10 @@
-import type { Doc, GetStoreOptions, RemoveStoreOptions } from './doc';
+import type {
+  Doc,
+  ExtensionType,
+  GetStoreOptions,
+  RemoveStoreOptions,
+} from '../extension';
+import { DocIdentifier } from '../extension/workspace';
 import { type Query, Store } from './store';
 
 export class StoreContainer {
@@ -27,12 +33,18 @@ export class StoreContainer {
       return this._storeMap.get(key) as Store;
     }
 
+    const storeExtension: ExtensionType = {
+      setup: di => {
+        di.addImpl(DocIdentifier, () => this.doc);
+      },
+    };
+
     const doc = new Store({
       doc: this.doc,
       readonly,
       query,
       provider,
-      extensions,
+      extensions: [storeExtension].concat(extensions ?? []),
     });
 
     this._storeMap.set(key, doc);
diff --git a/blocksuite/framework/store/src/model/store/store.ts b/blocksuite/framework/store/src/model/store/store.ts
index 61135814b3..a19d7eaa15 100644
--- a/blocksuite/framework/store/src/model/store/store.ts
+++ b/blocksuite/framework/store/src/model/store/store.ts
@@ -8,9 +8,11 @@ import * as Y from 'yjs';
 import type { ExtensionType } from '../../extension/extension.js';
 import {
   BlockSchemaIdentifier,
+  type Doc,
   StoreExtensionIdentifier,
   StoreSelectionExtension,
 } from '../../extension/index.js';
+import { DocIdentifier } from '../../extension/workspace/doc.js';
 import { Schema } from '../../schema/index.js';
 import type { TransformerMiddleware } from '../../transformer/middleware.js';
 import { Transformer } from '../../transformer/transformer.js';
@@ -21,7 +23,6 @@ import {
   type BlockProps,
   type YBlock,
 } from '../block/index.js';
-import type { Doc } from '../doc.js';
 import { DocCRUD } from './crud.js';
 import { StoreIdentifier } from './identifier.js';
 import { type Query, runQuery } from './query.js';
@@ -561,8 +562,7 @@ export class Store {
    * In most cases, you don't need to use the constructor directly.
    * The store is created by the {@link Doc} instance.
    */
-  constructor({ doc, readonly, query, provider, extensions }: StoreOptions) {
-    this._doc = doc;
+  constructor({ readonly, query, provider, extensions }: StoreOptions) {
     this.slots = {
       ready: new Subject(),
       rootAdded: new Subject(),
@@ -590,6 +590,7 @@ export class Store {
     this._provider.getAll(BlockSchemaIdentifier).forEach(schema => {
       this._schema.register([schema]);
     });
+    this._doc = this._provider.get(DocIdentifier);
     this._crud = new DocCRUD(this._yBlocks, this._schema);
     if (readonly !== undefined) {
       this._readonly.value = readonly;
diff --git a/blocksuite/framework/store/src/test/test-doc.ts b/blocksuite/framework/store/src/test/test-doc.ts
index 60e193db7c..8cfc98f2c9 100644
--- a/blocksuite/framework/store/src/test/test-doc.ts
+++ b/blocksuite/framework/store/src/test/test-doc.ts
@@ -1,12 +1,8 @@
 import * as Y from 'yjs';
 
+import type { Doc, GetStoreOptions, Workspace } from '../extension/index.js';
 import type { YBlock } from '../model/block/types.js';
-import {
-  type Doc,
-  type GetStoreOptions,
-  StoreContainer,
-  type Workspace,
-} from '../model/index.js';
+import { StoreContainer } from '../model/index.js';
 import type { AwarenessStore } from '../yjs/index.js';
 import type { TestWorkspace } from './test-workspace.js';
 
diff --git a/blocksuite/framework/store/src/test/test-meta.ts b/blocksuite/framework/store/src/test/test-meta.ts
index 4aef9ee097..eed79501c4 100644
--- a/blocksuite/framework/store/src/test/test-meta.ts
+++ b/blocksuite/framework/store/src/test/test-meta.ts
@@ -5,7 +5,7 @@ import type {
   DocMeta,
   DocsPropertiesMeta,
   WorkspaceMeta,
-} from '../model/index.js';
+} from '../extension/index.js';
 import { createYProxy } from '../reactive/proxy.js';
 
 type DocCollectionMetaState = {
diff --git a/blocksuite/framework/store/src/test/test-workspace.ts b/blocksuite/framework/store/src/test/test-workspace.ts
index ac7d7c6d0b..16d4cbfeda 100644
--- a/blocksuite/framework/store/src/test/test-workspace.ts
+++ b/blocksuite/framework/store/src/test/test-workspace.ts
@@ -14,8 +14,12 @@ import { Subject } from 'rxjs';
 import { Awareness } from 'y-protocols/awareness.js';
 import * as Y from 'yjs';
 
-import type { ExtensionType } from '../extension/extension.js';
-import type { Doc, Workspace, WorkspaceMeta } from '../model/index.js';
+import type {
+  Doc,
+  ExtensionType,
+  Workspace,
+  WorkspaceMeta,
+} from '../extension/index.js';
 import { type IdGenerator, nanoid } from '../utils/id-generator.js';
 import { AwarenessStore } from '../yjs/index.js';
 import { TestDoc } from './test-doc.js';
diff --git a/blocksuite/framework/store/src/transformer/type.ts b/blocksuite/framework/store/src/transformer/type.ts
index bda84ab673..59eae2a0c9 100644
--- a/blocksuite/framework/store/src/transformer/type.ts
+++ b/blocksuite/framework/store/src/transformer/type.ts
@@ -1,7 +1,7 @@
 import { z } from 'zod';
 
+import type { DocMeta, DocsPropertiesMeta } from '../extension';
 import type { Store } from '../model';
-import type { DocMeta, DocsPropertiesMeta } from '../model/workspace-meta';
 
 export type BlockSnapshot = {
   type: 'block';
@@ -41,13 +41,6 @@ export type CollectionInfoSnapshot = {
   properties: DocsPropertiesMeta;
 };
 
-export const CollectionInfoSnapshotSchema: z.ZodType<CollectionInfoSnapshot> =
-  z.object({
-    id: z.string(),
-    type: z.literal('info'),
-    properties: z.record(z.any()),
-  });
-
 export type DocSnapshot = {
   type: 'page';
   meta: DocMeta;