diff --git a/packages/core/src/export_manager.ts b/packages/core/src/export_manager.ts
deleted file mode 100644
index fe7e8bd4..00000000
--- a/packages/core/src/export_manager.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { type SuikaEditor } from './editor';
-
-export const ExportServer = {
-  exportOriginFile: (editor: SuikaEditor) => {
-    const data = editor.sceneGraph.toJSON();
-    const blob = new Blob([JSON.stringify(data)], {
-      type: 'application/json',
-    });
-    download(blob, 'design.suika');
-  },
-};
-
-const download = (blob: Blob, filename: string) => {
-  const url = URL.createObjectURL(blob);
-  const a = document.createElement('a');
-  a.href = url;
-  a.setAttribute('download', filename);
-  a.click();
-};
diff --git a/packages/core/src/graphics/document.ts b/packages/core/src/graphics/document.ts
index a1cd4e92..81e4148a 100644
--- a/packages/core/src/graphics/document.ts
+++ b/packages/core/src/graphics/document.ts
@@ -1,13 +1,13 @@
 import { EventEmitter, throttle } from '@suika/common';
 
 import { type SuikaEditor } from '../editor';
-import { GraphicsStoreManager } from '../graphics_manger';
 import { GraphicsType, type Optional } from '../type';
 import {
   type GraphicsAttrs,
   type IGraphicsOpts,
   SuikaGraphics,
 } from './graphics';
+import { GraphicsStoreManager } from './graphics_manger';
 
 type SuikaCanvasAttrs = GraphicsAttrs;
 
diff --git a/packages/core/src/graphics_manger.ts b/packages/core/src/graphics/graphics_manger.ts
similarity index 92%
rename from packages/core/src/graphics_manger.ts
rename to packages/core/src/graphics/graphics_manger.ts
index 4ba73846..f70106ac 100644
--- a/packages/core/src/graphics_manger.ts
+++ b/packages/core/src/graphics/graphics_manger.ts
@@ -1,5 +1,5 @@
-import { SuikaFrame, type SuikaGraphics } from './graphics';
-import { SuikaCanvas } from './graphics/canvas';
+import { SuikaFrame, type SuikaGraphics } from '.';
+import { SuikaCanvas } from './canvas';
 
 /**
  * Graphics Manager