diff --git a/api/v1/test/test_router.py b/api/v1/test/test_router.py
index 837e555..47aaefa 100644
--- a/api/v1/test/test_router.py
+++ b/api/v1/test/test_router.py
@@ -14,7 +14,7 @@
 from app.test.usecase.rest_mode_usecase import rest_mode_usecase
 from app.test.dto.response.rest_mode_response import RestModeResponse
 from domain.user.entity.user import User
-from exception.success import ok
+from app.utils.dto.success import ok
 from sqlalchemy import text
 # 문제, 시험 등록하기
 from app.test.dto.request.create_exam_request import CreateExamRequest
diff --git a/api/v1/user/user_router.py b/api/v1/user/user_router.py
index 523387a..6fa0996 100644
--- a/api/v1/user/user_router.py
+++ b/api/v1/user/user_router.py
@@ -16,7 +16,11 @@
 # 사용자 정보 조회
 @router.get("/get-user-info", response_model=GetUserInfoResponse)
 async def get_user_info(user=Depends(get_current_user)):
-    user_info = GetUserInfoResponse.model_validate(user)
+    user_dict = user.__dict__.copy()
+    if isinstance(user_dict.get("monthly_study_date"), dict):
+        user_dict["monthly_study_date"] = None
+
+    user_info = GetUserInfoResponse.model_validate(user_dict)
     payload: dict = user_info.model_dump(mode="json")
     return ok(data=payload, message="사용자 정보 조회 성공")
 
diff --git a/app/user/dto/response/get_user_info_response.py b/app/user/dto/response/get_user_info_response.py
index 77ffa52..accd579 100644
--- a/app/user/dto/response/get_user_info_response.py
+++ b/app/user/dto/response/get_user_info_response.py
@@ -1,5 +1,5 @@
 import datetime
-from typing import List
+from typing import List, Optional
 
 from pydantic import BaseModel, ConfigDict
 
@@ -11,4 +11,4 @@ class GetUserInfoResponse(BaseModel):
     nickname: str
     created_at: datetime.datetime
     total_study_days: int
-    monthly_study_date: List[int]
\ No newline at end of file
+    monthly_study_date: Optional[List[int]] = None