diff --git a/src/lib/axios.ts b/src/lib/axios.ts
index ccd7c11..2dfffb1 100644
--- a/src/lib/axios.ts
+++ b/src/lib/axios.ts
@@ -2,6 +2,7 @@ import axios from 'axios';
 
 export const api = axios.create({
   baseURL: process.env.NEXT_PUBLIC_API_BASE_URL || '',
+  withCredentials: true,
   headers: {
     'Content-Type': 'application/json',
   },
diff --git a/src/provider/userProvider.tsx b/src/provider/userProvider.tsx
index 1b29eb8..43cf2e6 100644
--- a/src/provider/userProvider.tsx
+++ b/src/provider/userProvider.tsx
@@ -35,20 +35,34 @@ export function UserProvider({ children }: { children: React.ReactNode }) {
   const fetchUser = async () => {
     try {
       const { data } = await api.get<Artist>("/artist");
+      
+      if (!data || typeof data !== 'object') {
+        throw new Error('Invalid response data');
+      }
+      
+      const requiredFields: (keyof Artist)[] = ['uuid', 'name', 'role', 'email', 'artistImage'];
+      const missingFields = requiredFields.filter(field => !(field in data));
+      
+      if (missingFields.length > 0) {
+        throw new Error(`Missing required fields: ${missingFields.join(', ')}`);
+      }
+      
       setUser(data);
     } catch (err) {
-      if (err instanceof AxiosError) {
+      if (axios.isAxiosError(err)) {
         if (err.response?.status === 401) {
           setIsLoggedIn(false);
           setUser(null);
+        } else {
+          setError(
+            new Error(
+              err.response?.data?.message || 
+              `Failed to fetch user data: ${err.response?.status}`
+            )
+          );
         }
-        setError(
-          new Error(
-            err.response?.data?.message || "Failed to fetch user data"
-          )
-        );
       } else {
-        setError(new Error("An unexpected error occurred"));
+        setError(new Error("An unexpected error occurred while fetching user data"));
       }
     } finally {
       setIsLoading(false);
diff --git a/src/services/albumService.ts b/src/services/albumService.ts
index f28cb8d..2f2fa9a 100644
--- a/src/services/albumService.ts
+++ b/src/services/albumService.ts
@@ -1,4 +1,4 @@
-import axios from 'axios';
+import { api } from '@/lib/axios';
 
 export interface Album {
   uuid: string;
@@ -8,11 +8,9 @@ export interface Album {
   releaseDate: string;
 }
 
-const BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL;
-
 export const getAllAlbums = async (): Promise<Album[]> => {
   try {
-    const response = await axios.get(`${BASE_URL}/album`);
+    const response = await api.get<Album[]>("/album");
     return response.data;
   } catch (error) {
     console.error('앨범 데이터 조회 실패:', error);