diff --git a/config/settings.py b/config/settings.py
index 3b5c02a..04f3e1d 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -236,7 +236,7 @@
 
 # simple jwt setting
 SIMPLE_JWT = {
-    "ACCESS_TOKEN_LIFETIME": timedelta(hours=5), # 토큰 유효시간 설정 1시간으로 설정
+    "ACCESS_TOKEN_LIFETIME": timedelta(days=5), # 토큰 유효기간 5일로 설정
     "REFRESH_TOKEN_LIFETIME": timedelta(days=30), # 리프레시 토큰 유효기간 설정 리프레시 토큰 유효기간은 5일로 설정
     "ROTATE_REFRESH_TOKENS": True, # 리프레시 토큰도 같이 반환됩니다.
     "BLACKLIST_AFTER_ROTATION": True, # 이전 토큰 블랙리스트 적용, 사용시 설치앱에 rest_framework_simplejwt.token_blacklist 추가 필요
@@ -246,7 +246,7 @@
     "SIGNING_KEY": SECRET_KEY, # 장고 자체의 시크릿 키로 signing key 지정
     "VERIFYING_KEY": "",
     "AUDIENCE": None,
-    "ISSUER": None, # 토큰 발급자 명시
+    "ISSUER": "Conever", # 토큰 발급자 명시
     "JSON_ENCODER": None,
     "JWK_URL": None,
     "LEEWAY": 0,
diff --git a/mission/urls.py b/mission/urls.py
index 71d5d25..4a615a6 100644
--- a/mission/urls.py
+++ b/mission/urls.py
@@ -1,5 +1,6 @@
 from django.urls import path
-from .views import MissionListView, MissionImageUploadView, RandomMissionCreateView, MissionCheckCompleteView, IsMissionCompleteView, MissionImageGetView, SaveMissionCompleteView
+from .views import MissionListView, MissionImageUploadView, RandomMissionCreateView, MissionCheckCompleteView, \
+    IsMissionCompleteView, MissionImageGetView, SaveMissionCompleteView, DeleteMissionImageView
 
 urlpatterns = [
     path('list/', MissionListView.as_view({
@@ -24,5 +25,8 @@
     })),
     path('save_mission_complete/', SaveMissionCompleteView.as_view({
         'post': 'create',
+    })),
+    path('delete_mission_image/', DeleteMissionImageView.as_view({
+        'patch': 'partial_update',
     }))
 ]
\ No newline at end of file
diff --git a/mission/views.py b/mission/views.py
index 6b201e2..d5ea177 100644
--- a/mission/views.py
+++ b/mission/views.py
@@ -241,4 +241,15 @@ def create(self, request, *args, **kwargs):
         return Response({
             "tdp_id": tdp_id,
             "is_success": tdp.mission_success,
-        }, status=status.HTTP_201_CREATED)
\ No newline at end of file
+        }, status=status.HTTP_201_CREATED)
+
+class DeleteMissionImageView(viewsets.ModelViewSet):
+    permission_classes = [IsAuthenticated]
+    def partial_update(self, request, *args, **kwargs):
+        tdp_id = request.data.get('tdp_id', None)
+        if tdp_id is None: raise NoRequiredParameterException()
+        # 이미 백에서 삭제 작업 진행했을 수도 있음
+        tdp = TravelDaysAndPlaces.objects.get(id=int(tdp_id))
+        if tdp.mission_image is not None and tdp.mission_image != "":
+            tdp.mission_image.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)
diff --git a/tour/serializers.py b/tour/serializers.py
index fd5d8ec..702af2b 100644
--- a/tour/serializers.py
+++ b/tour/serializers.py
@@ -48,6 +48,15 @@ class Meta:
         model = Place
         fields = '__all__'
 
+    def to_representation(self, instance):
+        data = super().to_representation(instance)
+        try:
+            tdp = TravelDaysAndPlaces.objects.get(place_id=instance.id)
+            data['tdp_id'] = tdp.id
+        except TravelDaysAndPlaces.DoesNotExist:
+            pass
+        return data
+
 class TravelDaysAndPlacesSerializer(serializers.ModelSerializer):
     # place = PlaceSerializer() # 장소 정보는 시리얼라이저를 통해 반환합니다.