diff --git a/packages/app/package.json b/packages/app/package.json
index afed9b8b8..620aa0d5a 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -9,8 +9,8 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@blocksuite/blocks": "^0.2.24",
-    "@blocksuite/editor": "^0.2.24",
+    "@blocksuite/blocks": "0.3.0-alpha.0",
+    "@blocksuite/editor": "0.3.0-alpha.0",
     "@emotion/css": "^11.10.0",
     "@emotion/react": "^11.10.4",
     "@emotion/server": "^11.10.0",
diff --git a/packages/app/src/components/edgeless-toolbar/index.tsx b/packages/app/src/components/edgeless-toolbar/index.tsx
index 2865c2772..58a93e83d 100644
--- a/packages/app/src/components/edgeless-toolbar/index.tsx
+++ b/packages/app/src/components/edgeless-toolbar/index.tsx
@@ -78,11 +78,11 @@ const UndoRedo = () => {
   const { editor } = useEditor();
   useEffect(() => {
     if (!editor) return;
-    const { store } = editor;
+    const { space } = editor;
 
-    store.signals.historyUpdated.on(() => {
-      setCanUndo(store.canUndo);
-      setCanRedo(store.canRedo);
+    space.signals.historyUpdated.on(() => {
+      setCanUndo(space.canUndo);
+      setCanRedo(space.canRedo);
     });
   }, [editor]);
 
@@ -92,7 +92,7 @@ const UndoRedo = () => {
         <StyledToolbarItem
           disable={!canUndo}
           onClick={() => {
-            editor?.store?.undo();
+            editor?.space?.undo();
           }}
         >
           <UndoIcon />
@@ -102,7 +102,7 @@ const UndoRedo = () => {
         <StyledToolbarItem
           disable={!canRedo}
           onClick={() => {
-            editor?.store?.redo();
+            editor?.space?.redo();
           }}
         >
           <RedoIcon />
diff --git a/packages/app/src/components/editor.tsx b/packages/app/src/components/editor.tsx
index 1735a62a5..a7ef3ff27 100644
--- a/packages/app/src/components/editor.tsx
+++ b/packages/app/src/components/editor.tsx
@@ -38,14 +38,14 @@ export const Editor = () => {
       return;
     }
     setEditor(editorRef.current);
-    const { store } = editorRef.current as EditorContainer;
-    const pageId = store.addBlock({
-      flavour: 'page',
+    const { space } = editorRef.current as EditorContainer;
+    const pageId = space.addBlock({
+      flavour: 'affine:page',
       title: 'Welcome to the AFFiNE Alpha',
     });
-    const groupId = store.addBlock({ flavour: 'group' }, pageId);
+    const groupId = space.addBlock({ flavour: 'affine:group' }, pageId);
     editorRef.current.clipboard.importMarkdown(exampleMarkdown, `${groupId}`);
-    store.resetHistory();
+    space.resetHistory();
   }, [setEditor]);
 
   useEffect(() => {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c0dac8dba..032815958 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,8 +18,8 @@ importers:
 
   packages/app:
     specifiers:
-      '@blocksuite/blocks': ^0.2.24
-      '@blocksuite/editor': ^0.2.24
+      '@blocksuite/blocks': 0.3.0-alpha.0
+      '@blocksuite/editor': 0.3.0-alpha.0
       '@emotion/css': ^11.10.0
       '@emotion/react': ^11.10.4
       '@emotion/server': ^11.10.0
@@ -47,8 +47,8 @@ importers:
       react-dom: 18.2.0
       typescript: 4.8.3
     dependencies:
-      '@blocksuite/blocks': 0.2.24
-      '@blocksuite/editor': 0.2.24
+      '@blocksuite/blocks': 0.3.0-alpha.0
+      '@blocksuite/editor': 0.3.0-alpha.0
       '@emotion/css': 11.10.0
       '@emotion/react': 11.10.4_w5j4k42lgipnm43s3brx6h3c34
       '@emotion/server': 11.10.0_@emotion+css@11.10.0
@@ -164,10 +164,10 @@ packages:
       to-fast-properties: 2.0.0
     dev: false
 
-  /@blocksuite/blocks/0.2.24:
-    resolution: {integrity: sha512-gqKD1NwjL1NroMqmM9JUgvQaJB/W8tLTqt0+em7L5ys1Y9RjrIfIPKLe5Ea4oZR7HukKGyY+gDuEkOW0mqvtvg==}
+  /@blocksuite/blocks/0.3.0-alpha.0:
+    resolution: {integrity: sha512-B5c6rRVISj55Vi2ijtFNOIcB5MizQdcZWr6OkZsVMpDEGSKSh446D/5WndFlORU7aQY63WLaSX1xwF+aV6jLjg==}
     dependencies:
-      '@blocksuite/store': 0.2.24
+      '@blocksuite/store': 0.3.0-alpha.0
       hotkeys-js: 3.10.0
       lit: 2.4.0
       quill: 1.3.7
@@ -178,11 +178,11 @@ packages:
       - utf-8-validate
     dev: false
 
-  /@blocksuite/editor/0.2.24:
-    resolution: {integrity: sha512-L5sq4eq2cMJeGZ8akGkcRIrxahS9met8unyx9I0ELBqO1u43OkUcPCxemRTW4ECfV2T7lWR3GbJg4LL1udCPSA==}
+  /@blocksuite/editor/0.3.0-alpha.0:
+    resolution: {integrity: sha512-Vi7YOus7XFTGX5Q8o6AuW5EM34AlpNKJtCwkjuohmLxlEVD5KbvBudJTqpnZ71FIVK+pcYYGqt/0b7VDqCOxqg==}
     dependencies:
-      '@blocksuite/blocks': 0.2.24
-      '@blocksuite/store': 0.2.24
+      '@blocksuite/blocks': 0.3.0-alpha.0
+      '@blocksuite/store': 0.3.0-alpha.0
       lit: 2.4.0
       marked: 4.1.1
       turndown: 7.1.1
@@ -192,10 +192,11 @@ packages:
       - utf-8-validate
     dev: false
 
-  /@blocksuite/store/0.2.24:
-    resolution: {integrity: sha512-2eRccsokZVk1D0W6rnzIzP28YzF41JmEoRcyMmeppn5/wcXhmiWpaY1YNyVp/aSmhv+7Lmt6GOe/qx17PDXOVA==}
+  /@blocksuite/store/0.3.0-alpha.0:
+    resolution: {integrity: sha512-Lk6UisNL32Eys5yBT7qX5s4OKmLnhsMs/7v/aqkly3Gf3eJU+F++ukwWN4NeJN3S0k2I8mR638qzRJ9LdXPvQQ==}
     dependencies:
       lib0: 0.2.52
+      y-indexeddb: 9.0.9_yjs@13.5.41
       y-protocols: 1.0.5
       y-webrtc: 10.2.3
       yjs: 13.5.41
@@ -3133,6 +3134,15 @@ packages:
       object-keys: 0.4.0
     dev: false
 
+  /y-indexeddb/9.0.9_yjs@13.5.41:
+    resolution: {integrity: sha512-GcJbiJa2eD5hankj46Hea9z4hbDnDjvh1fT62E5SpZRsv8GcEemw34l1hwI2eknGcv5Ih9JfusT37JLx9q3LFg==}
+    peerDependencies:
+      yjs: ^13.0.0
+    dependencies:
+      lib0: 0.2.52
+      yjs: 13.5.41
+    dev: false
+
   /y-protocols/1.0.5:
     resolution: {integrity: sha512-Wil92b7cGk712lRHDqS4T90IczF6RkcvCwAD0A2OPg+adKmOe+nOiT/N2hvpQIWS3zfjmtL4CPaH5sIW1Hkm/A==}
     dependencies: