diff --git a/caching.py b/caching.py
index f0e5574..5f7eb93 100644
--- a/caching.py
+++ b/caching.py
@@ -82,7 +82,7 @@ async def get_reservation_status(
         return reservation_status
 
     except asyncio.CancelledError:
-        print(f">> Canceled date:{date} room_number:{room_number}")
+        print(f">> Canceled date:{date} room_number:{room_number}")  # 실행중 에러가 발생한 경우
 
 
 async def get_all_rooms_reservation_status(
@@ -154,7 +154,7 @@ async def get_all_days_reservation_status(retry_client: RetryClient) -> dict:
 
 
 async def get_cache_data(retry_client: RetryClient):
-    date = "2023-08-28"  # 조회 날짜
+    # date = "2023-08-28"  # 조회 날짜
     # room_number = 1
     async with retry_client:
         # res = await get_reservation_status(retry_client, date, room_number)
diff --git a/lambda_function.py b/lambda_function.py
index 2777660..5ebd2f0 100644
--- a/lambda_function.py
+++ b/lambda_function.py
@@ -5,10 +5,10 @@
 import json
 
 from caching import get_cache_data
-from login_session import get_logined_session, create_retry_client
+from login_session import *
 
 
-async def main(token: str) -> dict:
+async def update_cache(student_id: str, password: str) -> dict:
     """
     캐싱 로직을 전부 실행해 현재 예약 현황을 반환 합니다.
 
@@ -19,13 +19,32 @@ async def main(token: str) -> dict:
     Returns:
         dict:
     """
-    session = await get_logined_session(token)  # 로그인 및 세션 생성
+    session = await get_logined_session(student_id, password)  # 로그인 세션 생성
     retry_client = await create_retry_client(session)  # 세션에 retry 기능 추가
     cache_data = await get_cache_data(retry_client)  # 예약 현황 추출
+    await retry_client.close()
+
     return cache_data
 
 
-def handler(event: dict, context: dict) -> dict | None:
+def put_cache_s3(cache: dict):
+    s3 = boto3.client("s3")
+    s3.put_object(
+        Bucket="ssudobi-cache", Key="cache", Body=json.dumps(cache)
+    )  # 캐시 업데이트
+
+
+def create_response(status_code: str | int, msg: str) -> dict:
+    response = {
+        "isBase64Encoded": False,
+        "headers": {"Content-Type": "application/json"},
+        "statusCode": status_code,
+        "body": msg,
+    }
+    return response
+
+
+def handler(event: dict, context: dict) -> dict:
     """
     캐싱 람다 함수를 호출 합니다.
 
@@ -36,25 +55,21 @@ def handler(event: dict, context: dict) -> dict | None:
     Returns:
         dict: 람다 함수 실행 결과 값
     """
-    response = None
+    response = create_response(200, "empty")
 
     try:
-        token = event.get("token")  # 로그인 토큰 조회
-        if not token:
-            raise AssertionError("Token is not passed")  # 토큰이 없는 경우
-
-        res = asyncio.run(main(token))  # 예약 현황 조회
-        s3 = boto3.client("s3")
-        s3.put_object(
-            Bucket="ssudobi-cache", Key="cache", Body=json.dumps(res)
-        )  # 캐시 업데이트
-        response = {"StatusCode": 200, "data": res}
+        body = json.loads(event["body"])
+        student_id = body["student_id"]
+        password = body["password"]
+        res = asyncio.run(update_cache(student_id, password))  # 예약 현황 조회
+        # put_cache_s3(res)
+        response = create_response(200, json.dumps({"data": res}))
 
     except AssertionError as e:
-        response = {"StatusCode": 422, "error": str(e)}  # 엔티티 에러
+        response = create_response(401, json.dumps({"data": str(e)}))
 
     except Exception as e:
-        response = {"StatusCode": 500, "error": str(e)}  # 서버 자체 에러
+        response = create_response(500, json.dumps({"data": str(e)}))
 
     finally:
         return response
diff --git a/login_session.py b/login_session.py
index 7fde0b2..1d5da91 100644
--- a/login_session.py
+++ b/login_session.py
@@ -22,40 +22,29 @@ async def create_retry_client(session: aiohttp.ClientSession) -> RetryClient:
     return retry_client
 
 
-async def get_logined_session(token: str) -> aiohttp.ClientSession:
-    """
-    로그인이 반영된 비동기 세션을 생성 합니다.
-
-    Returns:
-        ClientSession: 로그인 처리가 완료된 세션
-    """
-    session = aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=3))  # 세션 생성
-    try:
-        headers = {
-            "Accept": "application/json, text/plain, */*",
-            "pyxis-auth-token": token,
-        }
-        session.headers.update(headers)
-
-    except KeyError as e:
-        raise KeyError(f">> Login failed {e}")
-
-    return session
-
-
-async def login(usaint_id: str, password: str) -> dict:
+async def get_logined_session(usaint_id: str, password: str) -> aiohttp.ClientSession:
     """
     로그인을 진행하고 인증 토큰을 발급합니다.
 
     Returns:
         str: 인증 토큰 값
     """
-    login_url = "https://oasis.ssu.ac.kr/pyxis-api/api/login"  # 로그인 api
-    data = {"loginId": usaint_id, "password": password}
-    async with aiohttp.ClientSession() as session:
+    session = aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=3))
+    try:
+        login_url = "https://oasis.ssu.ac.kr/pyxis-api/api/login"  # 로그인 api
+        data = {"loginId": usaint_id, "password": password}
         async with session.post(login_url, json=data) as resp:
             json_res = await resp.json()  # 토큰 추출
-    return json_res
 
+        assert json_res["code"] == "success.loggedIn", "Login Failed"  # 로그인 검증
+
+        headers = {
+            "Accept": "application/json, text/plain, */*",
+            "pyxis-auth-token": json_res["data"]["accessToken"],
+        }
+        session.headers.update(headers)
+        return session
 
-# if __name__ == "__main__":
+    except AssertionError as e:
+        await session.close()
+        raise e