diff --git a/src/apps/oauth/client.py b/src/apps/oauth/client.py
index 68a317d..e6cfee0 100644
--- a/src/apps/oauth/client.py
+++ b/src/apps/oauth/client.py
@@ -89,7 +89,7 @@ def kakao_login(request: Request):  # type: ignore
     return RedirectResponse(response.history[0].headers["location"])
 
 
-@oauth_client.get("/kakao/sign_in")
+@oauth_client.get("/kakao/sign_in", response_class=RedirectResponse)
 async def kakao_sign_in(
     request: Request, session: Session = Depends(get_database_session)
 ) -> RedirectResponse:
@@ -123,7 +123,7 @@ async def kakao_sign_in(
     app_token = create_access_token(
         user_info, refresh_token=kakao_auth_response.refresh_token
     )
-    redirect = RedirectResponse(url=settings.WEB_URI)
+    redirect = RedirectResponse(url=str(settings.WEB_URI))
     redirect.set_cookie(
         key="token", value=app_token, domain=settings.WEB_URI.host
     )
diff --git a/src/apps/oauth/exceptions.py b/src/apps/oauth/exceptions.py
index 270b3fb..9956d03 100644
--- a/src/apps/oauth/exceptions.py
+++ b/src/apps/oauth/exceptions.py
@@ -3,7 +3,7 @@
 from fastapi.exceptions import HTTPException
 
 UserNotFound = HTTPException(
-    status_code=HTTPStatus.NOT_FOUND, detail="해당하는 유저가 없습니다"
+    status_code=HTTPStatus.UNAUTHORIZED, detail="해당하는 유저가 없습니다"
 )
 
 InvalidToken = HTTPException(