diff --git a/public/index.html b/public/index.html
index e153c98390e3662d9bfa47590144708c9f081420..8c89ef6ddcec45a04eb2b87e38e7d2a502219dd0 100644
--- a/public/index.html
+++ b/public/index.html
@@ -11,7 +11,7 @@
     />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <!--
-      manifest.json provides metadata used when your web app is installed on a
+      manifest.json provides metadata used when your web _app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
     -->
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
diff --git a/src/app/App.module.css b/src/_app/App.module.css
similarity index 100%
rename from src/app/App.module.css
rename to src/_app/App.module.css
diff --git a/src/app/App.tsx b/src/_app/App.tsx
similarity index 98%
rename from src/app/App.tsx
rename to src/_app/App.tsx
index b48df98437cb1677d1dab0cf84b82b6ac223408a..69b989266257c362af55d8b9a5d3d77e0076145f 100644
--- a/src/app/App.tsx
+++ b/src/_app/App.tsx
@@ -3,13 +3,13 @@ import '../common/css/common.css';
 import '../common/css/reset.css';
 import { Routes, Route, useNavigate } from "react-router-dom";
 
+import Connector from "../common/instances/Connector";
 import BottomSheet from "../components/bottom-sheet/BottomSheet";
 import Header from "../components/header/Header";
 import Toast from "../components/toast/Toast";
 import { BSProvider } from "../contexts/bottom-sheet";
 import { CartProvider } from "../contexts/cart";
 import { ToastProvider } from "../contexts/toast";
-import Connector from "../instances/Connector";
 import CartPage from "../pages/cart-page/CartPage";
 import HistoryPage from "../pages/history-page/HistoryPage";
 import LoginPage from "../pages/login-page/LoginPage";
diff --git a/src/app/config/route.ts b/src/_app/config/route.ts
similarity index 100%
rename from src/app/config/route.ts
rename to src/_app/config/route.ts
diff --git a/src/app/modules/wrapper/Wrapper.module.css b/src/_app/modules/wrapper/Wrapper.module.css
similarity index 100%
rename from src/app/modules/wrapper/Wrapper.module.css
rename to src/_app/modules/wrapper/Wrapper.module.css
diff --git a/src/app/modules/wrapper/Wrapper.tsx b/src/_app/modules/wrapper/Wrapper.tsx
similarity index 100%
rename from src/app/modules/wrapper/Wrapper.tsx
rename to src/_app/modules/wrapper/Wrapper.tsx
diff --git a/src/instances/Connector.ts b/src/common/instances/Connector.ts
similarity index 93%
rename from src/instances/Connector.ts
rename to src/common/instances/Connector.ts
index c8ef5a723edaa6c3d61452a2da17321e95bd5343..51aa0d5675126009060f6f6c487771b7031a25f0 100644
--- a/src/instances/Connector.ts
+++ b/src/common/instances/Connector.ts
@@ -1,4 +1,4 @@
-import { FETCH_METHOD, fetchData, RESPONSE_STATUS } from "../common/utils/api";
+import { FETCH_METHOD, fetchData, RESPONSE_STATUS } from "../utils/api";
 
 import type { Dispatch, SetStateAction } from "react";
 
diff --git a/src/common/utils/api.ts b/src/common/utils/api.ts
index 59d0fec846bec5044b427b419733ac3ffe5c75c8..9f0198e0161cce2ab3c10f26779a5a078b3e5a9c 100644
--- a/src/common/utils/api.ts
+++ b/src/common/utils/api.ts
@@ -51,7 +51,7 @@ async function fetchData<T> (
         throw e;
     }
 	
-    return {status, response};
+    return { status, response };
 }
 
 export { fetchData, FETCH_METHOD, RESPONSE_STATUS };
diff --git a/src/components/header/Header.tsx b/src/components/header/Header.tsx
index f911b3caae480515781fb928935cf24d3cf39179..4f50cbb91e5748497a0572a2e7a63fca3cfa2962 100644
--- a/src/components/header/Header.tsx
+++ b/src/components/header/Header.tsx
@@ -1,7 +1,7 @@
 import { useContext, useEffect, useState } from "react";
 import { Link, useLocation } from "react-router-dom";
 
-import APP_ROUTE from "../../app/config/route";
+import APP_ROUTE from "../../_app/config/route";
 import { CartContext } from "../../contexts/cart";
 
 import S from './Header.module.css';
diff --git a/src/components/navigator/config.ts b/src/components/navigator/config.ts
index 070e14d3bfa66f340b47ab4a517ae2a841d7d3b3..5318061783921dbcc4bb26d97cb2b9556c750a7d 100644
--- a/src/components/navigator/config.ts
+++ b/src/components/navigator/config.ts
@@ -1,4 +1,4 @@
-import APP_ROUTE from "../../app/config/route";
+import APP_ROUTE from "../../_app/config/route";
 
 interface NavRoute {
 	icon: string;
diff --git a/src/index.tsx b/src/index.tsx
index f732e5e961d5bb515b0595aa9d78d2a41d96f7ee..65b8bb06917452da41811df58b28e9501d7ac5a2 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,9 +1,9 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
 import './index.css';
-import {BrowserRouter} from "react-router-dom";
+import { BrowserRouter } from "react-router-dom";
 
-import App from './app/App';
+import App from './_app/App';
 
 const root = ReactDOM.createRoot(
     document.getElementById('root') as HTMLElement
diff --git a/src/pages/cart-page/CartPage.tsx b/src/pages/cart-page/CartPage.tsx
index 3a0a9decbaf673330ab4d7827052e9482125837d..791fc2450daf0210cad7c010d329ab4f08540527 100644
--- a/src/pages/cart-page/CartPage.tsx
+++ b/src/pages/cart-page/CartPage.tsx
@@ -11,7 +11,7 @@ import { CartContext } from "../../contexts/cart";
 import S from './CartPage.module.css';
 
 import type { CartItemData, OrderPostModel } from "./config/type";
-import type Connector from "../../instances/Connector";
+import type Connector from "../../common/instances/Connector";
 import type { FC } from "react";
 
 
@@ -23,7 +23,7 @@ const CartPage: FC<Props> = ({ connector }) => {
     const [quantities, setQuantities] = useState<number[]>([]);
     const [totalPrice, setTotalPrice] = useState(0);
     
-    const a=1;
+    const a = 1;
     const b = 1;
     
     
diff --git a/src/pages/history-page/HistoryPage.tsx b/src/pages/history-page/HistoryPage.tsx
index 20ea71439351ca5ca51feed18109ea11bf0b2d93..156a15a8a416ee8e9d376b6a0f4f00f6f3bc2c04 100644
--- a/src/pages/history-page/HistoryPage.tsx
+++ b/src/pages/history-page/HistoryPage.tsx
@@ -5,7 +5,7 @@ import { HISTORY_PAGE_DUMMY } from "./config/dummy";
 import OrderBox from "./modules/order-box/OrderBox";
 
 import type { HistoryPageModel } from "./config/type";
-import type Connector from "../../instances/Connector";
+import type Connector from "../../common/instances/Connector";
 import type { FC } from "react";
 
 
diff --git a/src/pages/login-page/LoginPage.tsx b/src/pages/login-page/LoginPage.tsx
index 88fde64c93de4f37d6858288212229168cca1467..3e2c17d6880a2ec538776cc14c6e16569345c96f 100644
--- a/src/pages/login-page/LoginPage.tsx
+++ b/src/pages/login-page/LoginPage.tsx
@@ -1,11 +1,11 @@
 import { useState } from "react";
 import { useNavigate } from "react-router-dom";
 
-import APP_ROUTE from "../../app/config/route";
+import APP_ROUTE from "../../_app/config/route";
 
 import S from './LoginPage.module.css';
 
-import type Connector from "../../instances/Connector";
+import type Connector from "../../common/instances/Connector";
 import type { FC } from "react";
 
 
diff --git a/src/pages/main-page/MainPage.tsx b/src/pages/main-page/MainPage.tsx
index 256112e698fb1f579f645bff4f03c9928f01f27c..77f70ebf849f8a0bd516fb8f1f2eb62487ce9cc8 100644
--- a/src/pages/main-page/MainPage.tsx
+++ b/src/pages/main-page/MainPage.tsx
@@ -8,7 +8,7 @@ import ShopBox from "./modules/shop-box/ShopBox";
 
 
 import type { MainPageModel } from "./config/type";
-import type Connector from "../../instances/Connector";
+import type Connector from "../../common/instances/Connector";
 import type { FC } from "react";
 
 
diff --git a/src/pages/menu-page/MenuPage.tsx b/src/pages/menu-page/MenuPage.tsx
index 4af885e80f0785737ce25494b684930676d69b05..024d64c880de6e7410bd9ce2985ccb9029adf728 100644
--- a/src/pages/menu-page/MenuPage.tsx
+++ b/src/pages/menu-page/MenuPage.tsx
@@ -6,7 +6,7 @@ import { ALERT } from "../../common/constants";
 import MenuBox from "./modules/menu-box/MenuBox";
 
 import type { MenuPageModel } from "./config/type";
-import type Connector from "../../instances/Connector";
+import type Connector from "../../common/instances/Connector";
 import type { Dispatch, FC, SetStateAction } from "react";