diff --git a/package.json b/package.json
index 0112baa..fcb4eb1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@next2d/framework",
   "description": "It is a framework dedicated to Next2D that enables scene management by URL (SPA), which has been difficult with conventional Canvas/WebGL applications, and simplifies readability and shareability by fixing the development pattern (MVVM).",
-  "version": "1.5.11",
+  "version": "1.5.12",
   "homepage": "https://next2d.app",
   "bugs": "https://github.com/Next2D/Framework/issues/new",
   "author": "Toshiyuki Ienaga <ienaga@tvon.jp> (https://github.com/ienaga/)",
diff --git a/src/application/Application.ts b/src/application/Application.ts
index 8714722..4359560 100644
--- a/src/application/Application.ts
+++ b/src/application/Application.ts
@@ -34,7 +34,6 @@ export class Application
     private readonly _$removeResponse: RemoveResponse;
     private _$popstate: boolean;
     private _$currentName: string;
-    private readonly _$promises: Promise<void>[];
 
     /**
      * @constructor
@@ -45,8 +44,6 @@ export class Application
         $setConfig(config);
         $setPackages(packages);
 
-        this._$promises = [$createContext(config)];
-
         /**
          * @type {QueryParser}
          * @private
@@ -108,21 +105,20 @@ export class Application
          * @private
          */
         this._$currentName = "top";
-
-        // initial processing
-        this.initialize();
     }
 
     /**
-     * @description constructorが起動した後にコールされます。(初回起動時のみコールされます。)
-     *              Called after the constructor is invoked. (Called only the first time it is invoked.)
+     * @description Next2Dのアプリを起動します
+     *              Launch the Next2D application
      *
-     * @return {void}
+     * @return {Application}
      * @method
-     * @abstract
+     * @public
      */
-    // eslint-disable-next-line no-empty-function
-    initialize (): void {}
+    run ()
+    {
+        return $createContext(config);
+    }
 
     /**
      * @description 指定のViewを起動して、描画を開始します。引数を指定しない場合はURLをパースしてViewを起動します。
@@ -136,32 +132,23 @@ export class Application
      */
     gotoView (name: string = ""): Promise<void>
     {
-        return Promise
-            .all(this._$promises)
-            .then((): Promise<Awaited<void>[]> =>
-            {
-                // reset
-                if (this._$promises.length) {
-                    this._$promises.length = 0;
-                }
-
-                const promises: Promise<void>[] = [];
-                if (config.loading) {
-                    /**
-                     * ローディング表示を起動
-                     * Launch loading display
-                     */
-                    this._$loading.start();
-
-                    /**
-                     * 現時点の描画をBitmapにして処理の負担を減らす
-                     * Reduce the processing burden by making the current drawing a Bitmap.
-                     */
-                    promises.push(this._$capture.execute());
-                }
+        const promises: Promise<void>[] = [];
+        if (config.loading) {
+            /**
+             * ローディング表示を起動
+             * Launch loading display
+             */
+            this._$loading.start();
+
+            /**
+             * 現時点の描画をBitmapにして処理の負担を減らす
+             * Reduce the processing burden by making the current drawing a Bitmap.
+             */
+            promises.push(this._$capture.execute());
+        }
 
-                return Promise.all(promises);
-            })
+        return Promise
+            .all(promises)
             .then((): Promise<void> =>
             {
                 /**
diff --git a/src/application/Context.ts b/src/application/Context.ts
index 3cda02b..7e7722e 100644
--- a/src/application/Context.ts
+++ b/src/application/Context.ts
@@ -1,5 +1,4 @@
 import { ToCamelCase } from "../domain/convert/ToCamelCase";
-import { Event } from "@next2d/events";
 import { packages } from "./variable/Packages";
 import type { View } from "../view/View";
 import type { ViewModel } from "../view/ViewModel";
diff --git a/src/application/variable/Context.ts b/src/application/variable/Context.ts
index 14606da..3023559 100644
--- a/src/application/variable/Context.ts
+++ b/src/application/variable/Context.ts
@@ -16,8 +16,7 @@ export let context: Context;
  */
 export const $createContext = (config: ConfigImpl): Promise<void> =>
 {
-    return window
-        .next2d
+    return next2d
         .createRootMovieClip(
             config.stage.width,
             config.stage.height,
diff --git a/src/index.ts b/src/index.ts
index 48ebe41..e1bc683 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,6 +7,7 @@ import { MovieClipContent } from "./application/content/MovieClipContent";
 import { ShapeContent } from "./application/content/ShapeContent";
 import { TextFieldContent } from "./application/content/TextFieldContent";
 import { VideoContent } from "./application/content/VideoContent";
+import { ConfigImpl } from "./interface/ConfigImpl";
 import { packages } from "./application/variable/Packages";
 import { context } from "./application/variable/Context";
 import { cache } from "./application/variable/Cache";
@@ -29,6 +30,7 @@ export {
     ShapeContent,
     TextFieldContent,
     VideoContent,
+    ConfigImpl,
     packages,
     context,
     cache,
diff --git a/src/interface/ConfigImpl.ts b/src/interface/ConfigImpl.ts
index 2e55daa..e877e9b 100644
--- a/src/interface/ConfigImpl.ts
+++ b/src/interface/ConfigImpl.ts
@@ -3,7 +3,11 @@ import { RoutingImpl } from "./RoutingImpl";
 import { LoadingImpl } from "./LoadingImpl";
 import { GotoViewImpl } from "./GotoViewImpl";
 
-export interface ConfigImpl {
+interface BaseConfigImpl {
+    [key: string]: any
+}
+
+export interface ConfigImpl extends BaseConfigImpl {
     platform: string;
     stage: StageImpl;
     routing?: {