diff --git a/frontend/src/components/Layout.tsx b/frontend/src/components/Layout.tsx
index 9c736580..e4440f76 100644
--- a/frontend/src/components/Layout.tsx
+++ b/frontend/src/components/Layout.tsx
@@ -1,4 +1,4 @@
-import React, { ReactNode } from 'react';
+import React, { type ReactNode } from 'react';
 import Navbar from './Navbar';
 
 interface LayoutProps {
diff --git a/frontend/src/components/Navbar.tsx b/frontend/src/components/Navbar.tsx
index 83c75a2c..6d6a324d 100644
--- a/frontend/src/components/Navbar.tsx
+++ b/frontend/src/components/Navbar.tsx
@@ -1,12 +1,11 @@
-import { checkLogin } from '@_api/auth/authAPI';
-import React, { useEffect, useState } from 'react';
+import React from 'react';
 import { Link, useNavigate } from 'react-router-dom';
 import { useAuth } from 'src/context/AuthContext';
 
 const Navbar: React.FC = () => {
   const { loggedIn, userName, logout } = useAuth();
   const navigate = useNavigate();
-  
+
   const handleLogout = async (e: React.MouseEvent) => {
     e.preventDefault();
     try {
diff --git a/frontend/src/context/AuthContext.tsx b/frontend/src/context/AuthContext.tsx
index b4e83a61..c367b18f 100644
--- a/frontend/src/context/AuthContext.tsx
+++ b/frontend/src/context/AuthContext.tsx
@@ -1,13 +1,13 @@
-import React, { createContext, useState, useEffect, ReactNode, useContext } from 'react';
 import { checkLogin as apiCheckLogin, login as apiLogin, logout as apiLogout } from '@_api/auth/authAPI';
-import type { LoginRequest, LoginCheckResponse } from '@_api/auth/authTypes';
+import type { LoginRequest, LoginResponse } from '@_api/auth/authTypes';
+import React, { createContext, useContext, useEffect, useState, type ReactNode } from 'react';
 
 interface AuthContextType {
     loggedIn: boolean;
     userName: string | null;
     role: 'ADMIN' | 'MEMBER' | null;
     loading: boolean; // Add loading state to type
-    login: (data: LoginRequest) => Promise<LoginCheckResponse>;
+    login: (data: LoginRequest) => Promise<LoginResponse>;
     logout: () => Promise<void>;
     checkLogin: () => Promise<void>;
 }
diff --git a/frontend/src/pages/admin/AdminLayout.tsx b/frontend/src/pages/admin/AdminLayout.tsx
index 26987dbe..47034a06 100644
--- a/frontend/src/pages/admin/AdminLayout.tsx
+++ b/frontend/src/pages/admin/AdminLayout.tsx
@@ -1,4 +1,4 @@
-import React, { ReactNode } from 'react';
+import React, { type ReactNode } from 'react';
 import AdminNavbar from './AdminNavbar';
 
 interface AdminLayoutProps {