diff --git a/contest/views.py b/contest/views.py
index ef616f1a..f945b41f 100644
--- a/contest/views.py
+++ b/contest/views.py
@@ -390,10 +390,10 @@ def _cmp(x, y):
 def contest_rank_page(request, contest_id):
     contest = Contest.objects.get(id=contest_id)
     contest_problems = ContestProblem.objects.filter(contest=contest).order_by("sort_index")
-    result = ContestSubmission.objects.values("user_id").annotate(total_submit=Count("user_id"))
+    result = ContestSubmission.objects.filter(contest=contest).values("user_id").annotate(total_submit=Sum("total_submission_number"))
     for i in range(0, len(result)):
         # 这个人所有的提交
-        submissions = ContestSubmission.objects.filter(user_id=result[i]["user_id"])
+        submissions = ContestSubmission.objects.filter(user_id=result[i]["user_id"], contest_id=contest_id)
         result[i]["submissions"] = {}
         for item in submissions:
             result[i]["submissions"][item.problem_id] = item
diff --git a/mq/scripts/info.py b/mq/scripts/info.py
index 6634b5b3..119845c0 100644
--- a/mq/scripts/info.py
+++ b/mq/scripts/info.py
@@ -52,6 +52,8 @@ class MessageQueue(object):
             try:
                 contest_submission = ContestSubmission.objects.get(user_id=submission.user_id, contest=contest,
                                                                    problem_id=contest_problem.id)
+                # 提交次数加1
+                contest_submission.total_submission_number += 1
 
                 if submission.result == result["accepted"]:
 
@@ -65,13 +67,10 @@ class MessageQueue(object):
                         contest_submission.total_time += int((submission.create_time - contest.start_time).total_seconds() / 60)
                     # 标记为已经通过
                     contest_submission.ac = True
-                    # 提交次数加1
-                    contest_submission.total_submission_number += 1
                     # contest problem ac 计数器加1
                     contest_problem.total_accepted_number += 1
                 else:
                     # 如果这个提交是错误的，就罚时20分钟
-                    contest_submission.ac = False
                     contest_submission.total_time += 20
                 contest_submission.save()
                 contest_problem.save()
diff --git a/problem/views.py b/problem/views.py
index 6052ea90..b73085fd 100644
--- a/problem/views.py
+++ b/problem/views.py
@@ -185,8 +185,12 @@ class TestCaseUploadAPIView(APIView):
             os.mkdir(test_case_dir)
             for name in l:
                 f = open(test_case_dir + name, "wb")
-                f.write(test_case_file.read(name).replace("\r\n", "\n"))
-                f.close()
+                try:
+                    f.write(test_case_file.read(name).replace("\r\n", "\n"))
+                except MemoryError:
+                    return error_response(u"单个测试数据体积过大!")
+                finally:
+                    f.close()
             l.sort()
 
             file_info = {"test_case_number": len(l) / 2, "test_cases": {}}