diff --git a/Dockerfile b/Dockerfile
index 79f7979..1b9e69d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ WORKDIR /app2/media
 WORKDIR /app2/static
 WORKDIR /app
 USER ctf
-RUN python -m pip install --no-cache-dir --no-warn-script-location poetry 
+RUN python -m pip install --no-cache-dir --no-warn-script-location poetry
 
 COPY poetry.lock pyproject.toml /app/
 RUN python -m poetry config virtualenvs.in-project true && \
@@ -27,7 +27,7 @@ USER ctf
 COPY . /app/
 COPY ./mCTF/docker_config.py /app/mCTF/config.py
 USER root
-RUN set -eux; cd /app/public/scss; mkdir out; for f in *.scss; \ 
+RUN set -eux; cd /app/public/scss; mkdir out; for f in *.scss; \
     do \
       sassc --style compressed -- "$f" "out/${f%.scss}.css"; \
     done; \
@@ -41,5 +41,6 @@ EXPOSE 28730
 CMD /app/.venv/bin/gunicorn \
       --bind :28730 \
       --error-logfile - \
+      --timeout 120 \
       --config /app/container/gunicorn.py \
       mCTF.wsgi:application
diff --git a/gameserver/models/contest.py b/gameserver/models/contest.py
index 3e73f6d..8346754 100644
--- a/gameserver/models/contest.py
+++ b/gameserver/models/contest.py
@@ -260,12 +260,10 @@ def participant(self):
 
     def _get_unique_correct_submissions(self):
         # Switch to ContestProblem -> Problem Later
-        return (
-            self.submissions.filter(submission__is_correct=True)
-            .values("submission__problem", "problem__points")
-            .distinct()
-        )
-
+        return (self.submissions.filter(submission__is_correct=True)
+                .select_related('problem')
+                .values('problem','problem__points').distinct())
+    
     def points(self):
         points = self._get_unique_correct_submissions().aggregate(
             points=Coalesce(Sum("problem__points"), 0)
@@ -382,6 +380,7 @@ class ContestSubmission(models.Model):
         on_delete=models.CASCADE,
         related_name="submissions",
         related_query_name="submission",
+        db_index=True,
     )
     problem = models.ForeignKey(
         ContestProblem,
@@ -390,7 +389,8 @@ class ContestSubmission(models.Model):
         related_query_name="submission",
     )
     submission = models.OneToOneField(
-        "Submission", on_delete=models.CASCADE, related_name="contest_submission"
+        "Submission", on_delete=models.CASCADE, related_name="contest_submission",
+        db_index=True,
     )
 
     def __str__(self):