diff --git a/account/migrations/0003_auto_20150915_2025.py b/account/migrations/0003_auto_20150915_2025.py
new file mode 100644
index 0000000..ff6b0ea
--- /dev/null
+++ b/account/migrations/0003_auto_20150915_2025.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0002_user_problems_status'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='problems_status',
+            field=models.TextField(default=b'{}'),
+        ),
+    ]
diff --git a/account/models.py b/account/models.py
index 754e178..3245333 100644
--- a/account/models.py
+++ b/account/models.py
@@ -31,8 +31,7 @@ class User(AbstractBaseUser):
     # 0代表不是管理员 1是普通管理员 2是超级管理员
     admin_type = models.IntegerField(default=0)
     # JSON字典用来表示该用户的问题的解决状态 1为ac，2为正在进行
-    problems_status = models.TextField(blank=True)
-
+    problems_status = models.TextField(default="{}")
 
     USERNAME_FIELD = 'username'
     REQUIRED_FIELDS = []
diff --git a/contest/views.py b/contest/views.py
index 5bb089b..c1c1958 100644
--- a/contest/views.py
+++ b/contest/views.py
@@ -391,7 +391,7 @@ def _cmp(x, y):
             return -1
 
 
-def get_the_time_format(seconds):
+def get_the_formatted_time(seconds):
     if not seconds:
         return ""
     result = str(seconds % 60)
@@ -427,7 +427,7 @@ def contest_rank_page(request, contest_id):
                         "first_achieved": status.first_achieved,
                         "ac": status.ac,
                         "failed_number": status.total_submission_number,
-                        "ac_time": get_the_time_format(status.ac_time)})
+                        "ac_time": get_the_formatted_time(status.ac_time)})
                     if status.ac:
                         result[i]["problems"][-1]["failed_number"] -= 1
                 except ContestSubmission.DoesNotExist:
@@ -436,7 +436,8 @@ def contest_rank_page(request, contest_id):
             user= User.objects.get(id=result[i]["user_id"])
             result[i]["username"] = user.username
             result[i]["real_name"] = user.real_name
-            result[i]["total_time"] = get_the_time_format(submissions.filter(ac=True).aggregate(total_time=Sum("total_time"))["total_time"])
+            result[i]["total_time"] = get_the_formatted_time(submissions.filter(ac=True).aggregate(total_time=Sum("total_time"))["total_time"])
+
         result = sorted(result, cmp=_cmp, reverse=True)
         r.set("contest_rank_" + contest_id, json.dumps(list(result)))
     else:
@@ -451,5 +452,5 @@ def contest_rank_page(request, contest_id):
                   {"contest": contest, "contest_problems": contest_problems,
                    "result": result,
                    "auto_refresh": request.GET.get("auto_refresh", None) == "true",
-                   "show_real_name": result.GET.get("show_real_name", None) == "true",
+                   "show_real_name": request.GET.get("show_real_name", None) == "true",
                    "real_time_rank": contest.real_time_rank})
diff --git a/contest_submission/views.py b/contest_submission/views.py
index 2358b07..59ee7fa 100644
--- a/contest_submission/views.py
+++ b/contest_submission/views.py
@@ -1,9 +1,11 @@
 # coding=utf-8
 import json
+from datetime import datetime
 import redis
+import pytz
 from django.shortcuts import render
 from django.core.paginator import Paginator
-
+from django.utils import timezone
 from rest_framework.views import APIView
 
 from judge.judger_controller.tasks import judge
@@ -75,7 +77,7 @@ def contest_problem_my_submissions_list_page(request, contest_id, contest_proble
                   {"submissions": submissions, "problem": contest_problem})
 
 
-@login_required
+@check_user_contest_permission
 def contest_problem_submissions_list_page(request, contest_id, page=1):
     """
     单个比赛中的所有提交（包含自己和别人，自己可查提交结果，其他人不可查）
@@ -84,9 +86,17 @@ def contest_problem_submissions_list_page(request, contest_id, page=1):
         contest = Contest.objects.get(id=contest_id)
     except Contest.DoesNotExist:
         return error_page(request, u"比赛不存在")
-    # 以下是本场比赛中所有的提交
-    submissions = Submission.objects.filter(contest_id=contest_id). \
-        values("id", "contest_id", "problem_id", "result", "create_time", "accepted_answer_time", "language", "user_id").order_by("-create_time")
+
+    submissions = Submission.objects.filter(contest_id=contest_id).\
+        values("id", "contest_id", "problem_id", "result", "create_time",
+               "accepted_answer_time", "language", "user_id").order_by("-create_time")
+
+
+    # 封榜的时候只能看到自己的提交
+    if not contest.real_time_rank:
+        if not (request.user.admin_type == SUPER_ADMIN or request.user == contest.created_by):
+            submissions = submissions.filter(user_id=request.user.id)
+
     language = request.GET.get("language", None)
     filter = None
     if language:
@@ -131,7 +141,7 @@ def contest_problem_submissions_list_page(request, contest_id, page=1):
     return render(request, "oj/contest/submissions_list.html",
                   {"submissions": current_page, "page": int(page),
                    "previous_page": previous_page, "next_page": next_page, "start_id": int(page) * 20 - 20,
-                   "contest": contest, "filter":filter})
+                   "contest": contest, "filter": filter})
 
 
 class ContestSubmissionAdminAPIView(APIView):
diff --git a/judge/judger_controller/settings.py b/judge/judger_controller/settings.py
index e141c52..4c155b5 100644
--- a/judge/judger_controller/settings.py
+++ b/judge/judger_controller/settings.py
@@ -4,9 +4,10 @@
 此文件包含 celery 的部分配置，但是 celery 并不是运行在docker 中的，所以本配置文件中的 redis和 MySQL 的地址就应该是
 运行 redis 和 MySQL 的 docker 容器的地址了。怎么获取这个地址见帮助文档。测试用例的路径和源代码路径同理。
 """
+import os
 # 这个redis 是 celery 使用的，包括存储队列信息还有部分统计信息
 redis_config = {
-    "host": "192.168.42.23",
+    "host": os.environ.get("REDIS_PORT_6379_TCP_ADDR"),
     "port": 6379,
     "db": 0
 }
@@ -30,7 +31,7 @@ log_dir = "/root/log/"
 
 # 存储提交信息的数据库，是 celery 使用的，与 oj.settings/local_settings 等区分，那是 web 服务器访问的地址
 submission_db = {
-    "host": "192.168.42.32",
+    "host": os.environ.get("submission_db_host"),
     "port": 3306,
     "db": "oj_submission",
     "user": "root",
diff --git a/judge/judger_controller/tasks.py b/judge/judger_controller/tasks.py
index d120ee3..4574982 100644
--- a/judge/judger_controller/tasks.py
+++ b/judge/judger_controller/tasks.py
@@ -11,7 +11,7 @@ from settings import docker_config, source_code_dir, test_case_dir, log_dir, sub
 @app.task
 def judge(submission_id, time_limit, memory_limit, test_case_id):
     try:
-        command = "%s run -t -i --privileged --rm " \
+        command = "%s run --privileged --rm " \
                   "--link mysql " \
                   "-v %s:/var/judger/test_case/ " \
                   "-v %s:/var/judger/code/ " \
diff --git a/mq/scripts/info.py b/mq/scripts/info.py
index 3a5fe18..567eebb 100644
--- a/mq/scripts/info.py
+++ b/mq/scripts/info.py
@@ -46,10 +46,7 @@ class MessageQueue(object):
                 except User.DoesNotExist:
                     logger.warning("Submission user does not exist, submission_id: " + submission_id)
                     continue
-                if user.problems_status:
-                    problems_status = json.loads(user.problems_status)
-                else:
-                    problems_status = {}
+                problems_status = json.loads(user.problems_status)
                 problems_status[str(problem.id)] = 1
                 user.problems_status = json.dumps(problems_status)
                 user.save()
diff --git a/oj/urls.py b/oj/urls.py
index eda20bb..d9373bb 100644
--- a/oj/urls.py
+++ b/oj/urls.py
@@ -25,7 +25,6 @@ from contest_submission.views import contest_problem_my_submissions_list_page
 
 
 urlpatterns = [
-    url(r'^install/$', "install.views.install"),
     url("^$", "account.views.page_jump", name="page_jump_api"),
     url(r'^docs/', include('rest_framework_swagger.urls')),
     url(r'^admin/$', TemplateView.as_view(template_name="admin/admin.html"), name="admin_spa_page"),
diff --git a/problem/views.py b/problem/views.py
index 84ca58d..dbe125a 100644
--- a/problem/views.py
+++ b/problem/views.py
@@ -24,6 +24,7 @@ import logging
 
 logger = logging.getLogger("app_info")
 
+
 def problem_page(request, problem_id):
     try:
         problem = Problem.objects.get(id=problem_id, visible=True)
@@ -282,7 +283,7 @@ def problem_list_page(request, page=1):
     except Exception:
         pass
 
-    if request.user.is_authenticated() and request.user.problems_status:
+    if request.user.is_authenticated():
         problems_status = json.loads(request.user.problems_status)
     else:
         problems_status = {}
diff --git a/static/src/css/global.css b/static/src/css/global.css
index 2d4f618..3eebd70 100644
--- a/static/src/css/global.css
+++ b/static/src/css/global.css
@@ -41,4 +41,5 @@ label {
 
 pre {
     font-family: "Consolas", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace;
+    background-color: white;
 }
diff --git a/submission/views.py b/submission/views.py
index baa81d4..6eb69fa 100644
--- a/submission/views.py
+++ b/submission/views.py
@@ -1,5 +1,6 @@
 # coding=utf-8
 import json
+import logging
 
 import redis
 from django.shortcuts import render
@@ -21,6 +22,9 @@ from .models import Submission
 from .serializers import CreateSubmissionSerializer, SubmissionSerializer, SubmissionhareSerializer
 
 
+logger = logging.getLogger("app_info")
+
+
 class SubmissionAPIView(APIView):
     @login_required
     def post(self, request):
@@ -44,13 +48,11 @@ class SubmissionAPIView(APIView):
 
             try:
                 judge.delay(submission.id, problem.time_limit, problem.memory_limit, problem.test_case_id)
-            except Exception:
+            except Exception as e:
+                logger.error(e)
                 return error_response(u"提交判题任务失败")
             # 修改用户解题状态
-            if request.user.problems_status:
-                problems_status = json.loads(request.user.problems_status)
-            else:
-                problems_status = {}
+            problems_status = json.loads(request.user.problems_status)
             problems_status[str(data["problem_id"])] = 2
             request.user.problems_status = json.dumps(problems_status)
             request.user.save()