diff --git a/dockerfiles/judger/Dockerfile b/dockerfiles/judger/Dockerfile
index 7718e06..6090728 100644
--- a/dockerfiles/judger/Dockerfile
+++ b/dockerfiles/judger/Dockerfile
@@ -18,4 +18,5 @@ RUN git clone https://github.com/quark-zju/lrun.git
 RUN cd lrun && make install
 RUN mkdir -p /var/judger/run/ && mkdir /var/judger/test_case/ && mkdir /var/judger/code/
 RUN chmod -R 777 /var/judger/run/
+COPY policy /var/judger/run/
 WORKDIR /var/judger/code/
\ No newline at end of file
diff --git a/dockerfiles/judger/policy b/dockerfiles/judger/policy
new file mode 100644
index 0000000..a057b21
--- /dev/null
+++ b/dockerfiles/judger/policy
@@ -0,0 +1,3 @@
+grant {
+    permission java.io.FilePermission "/tmp", "read";
+};
\ No newline at end of file
diff --git a/dockerfiles/oj_web_server/mq.conf b/dockerfiles/oj_web_server/mq.conf
index 9dbce3e..ae1797c 100644
--- a/dockerfiles/oj_web_server/mq.conf
+++ b/dockerfiles/oj_web_server/mq.conf
@@ -2,7 +2,7 @@
 
 command=python manage.py runscript mq
 
-directory=/code/qduoj/
+directory=/code/
 user=root
 numprocs=1
 stdout_logfile=/code/log/mq.log
diff --git a/judge/judger/client.py b/judge/judger/client.py
index 7740587..a5a1f47 100644
--- a/judge/judger/client.py
+++ b/judge/judger/client.py
@@ -62,6 +62,8 @@ class JudgeClient(object):
                   " --max-real-time " + str(self._max_real_time / 1000.0 * 2) + \
                   " --max-memory " + str(self._max_memory * 1000 * 1000) + \
                   " --network false" + \
+                  " --syscalls '" + self._language["syscalls"] + "'" + \
+                  " --max-nprocess 20" + \
                   " --uid " + str(lrun_uid) + \
                   " --gid " + str(lrun_gid)
 
diff --git a/judge/judger/language.py b/judge/judger/language.py
index a61bd32..c7a14eb 100644
--- a/judge/judger/language.py
+++ b/judge/judger/language.py
@@ -6,6 +6,7 @@ languages = {
         "name": "c",
         "src_name": "main.c",
         "code": 1,
+        "syscalls": "!execve:k,flock:k,ptrace:k,sync:k,fdatasync:k,fsync:k,msync,sync_file_range:k,syncfs:k,unshare:k,setns:k,clone:k,query_module:k,sysinfo:k,syslog:k,sysfs:k",
         "compile_command": "gcc -DONLINE_JUDGE -O2 -w -std=c99 {src_path} -lm -o {exe_path}main",
         "execute_command": "{exe_path}main"
     },
@@ -13,6 +14,7 @@ languages = {
         "name": "cpp",
         "src_name": "main.cpp",
         "code": 2,
+        "syscalls": "!execve:k,flock:k,ptrace:k,sync:k,fdatasync:k,fsync:k,msync,sync_file_range:k,syncfs:k,unshare:k,setns:k,clone:k,query_module:k,sysinfo:k,syslog:k,sysfs:k",
         "compile_command": "g++ -DONLINE_JUDGE -O2 -w -std=c++11 {src_path} -lm -o {exe_path}main",
         "execute_command": "{exe_path}main"
     },
@@ -20,8 +22,9 @@ languages = {
         "name": "java",
         "src_name": "Main.java",
         "code": 3,
+        "syscalls": "!execve:k,flock:k,ptrace:k,sync:k,fdatasync:k,fsync:k,msync,sync_file_range:k,syncfs:k,unshare:k,setns:k,clone[a&268435456==268435456]:k,query_module:k,sysinfo:k,syslog:k,sysfs:k",
         "compile_command": "javac {src_path} -d {exe_path}",
-        "execute_command": "java -cp {exe_path} Main"
+        "execute_command": "java -cp {exe_path} -Djava.security.manager -Djava.security.policy==policy Main"
     }
 }
 
diff --git a/judge/judger_controller/tasks.py b/judge/judger_controller/tasks.py
index 4574982..2de71d7 100644
--- a/judge/judger_controller/tasks.py
+++ b/judge/judger_controller/tasks.py
@@ -32,7 +32,7 @@ def judge(submission_id, time_limit, memory_limit, test_case_id):
                                passwd=submission_db["password"],
                                host=submission_db["host"],
                                port=submission_db["port"],
-                               character="utf8")
+                               charset="utf8")
 
         cur = conn.cursor()
         cur.execute("update submission set result=%s, info=%s where id=%s",
diff --git a/mq/scripts/info.py b/mq/scripts/mq.py
similarity index 100%
rename from mq/scripts/info.py
rename to mq/scripts/mq.py
diff --git a/static/src/js/app/oj/problem/problem.js b/static/src/js/app/oj/problem/problem.js
index 4817309..fe51417 100644
--- a/static/src/js/app/oj/problem/problem.js
+++ b/static/src/js/app/oj/problem/problem.js
@@ -120,12 +120,12 @@ require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
             if (code.indexOf("using namespace std") > -1||code.indexOf("<cstdio>") > -1) {
                 return "2";
             }
-            if (code.indexOf("printf"))
+            if (code.indexOf("printf") > -1)
             {
                 return "1";
             }
             //java
-            if (code.indexOf("public class Main")) {
+            if (code.indexOf("public class Main") > -1) {
                 return "3";
             }
         }
diff --git a/template/src/oj_base.html b/template/src/oj_base.html
index e734868..bb0e5ff 100644
--- a/template/src/oj_base.html
+++ b/template/src/oj_base.html
@@ -49,6 +49,7 @@
                 <li><a href="/contests/">比赛</a></li>
                 <li><a href="/groups/">小组</a></li>
                 <li><a href="/about/">关于</a></li>
+                <li><a href="http://form.mikecrm.com/f.php?t=lREqa0">反馈</a></li>
             </ul>
             {% if request.user.is_authenticated %}
                 <ul class="nav navbar-nav navbar-right">
diff --git a/tools/run.py b/tools/run.py
new file mode 100644
index 0000000..83fcdf6
--- /dev/null
+++ b/tools/run.py
@@ -0,0 +1,55 @@
+# coding=utf-8
+import os
+import json
+
+os.system("docker rm -f redis")
+os.system("docker rm -f mysql")
+os.system("docker rm -f oj_web_server")
+
+if os.system("docker run --name mysql -v /root/data:/var/lib/mysql -v /root/data/my.cnf:/etc/my.cnf -e MYSQL_ROOT_PASSWORD=root  -d mysql/mysql-server:latest"):
+    print "Error start mysql"
+    exit()
+
+if os.system("docker run --name redis -d redis"):
+    print "Error start redis"
+    exit()
+
+if os.system("docker run --name oj_web_server -e oj_env=server -v /root/qduoj:/code -v /root/test_case:/code/test_case -v /root/log:/code/log -v /root/upload:/code/upload -v /root/qduoj/dockerfiles/oj_web_server/supervisord.conf:/etc/supervisord.conf -v /root/qduoj/dockerfiles/oj_web_server/gunicorn.conf:/etc/gunicorn.conf -v /root/qduoj/dockerfiles/oj_web_server/mq.conf:/etc/mq.conf -d -p 127.0.0.1:8080:8080 --link mysql --link=redis oj_web_server"):
+    print "Erro start oj_web_server"
+    exit()
+
+inspect_redis = json.loads(os.popen("docker inspect redis").read())
+
+if not inspect_redis:
+    print "Error when inspect redis ip"
+    exit()
+redis_ip = inspect_redis[0]["NetworkSettings"]["IPAddress"]
+print "redis ip ", redis_ip
+
+
+inspect_mysql = json.loads(os.popen("docker inspect mysql").read())
+if not inspect_mysql:
+    print "Error when inspect mysql ip"
+    exit()
+mysql_ip = inspect_mysql[0]["NetworkSettings"]["IPAddress"]
+print "mysql ip ", mysql_ip
+
+
+f = open("/etc/profile", "r")
+content = ""
+for line in f.readlines():
+    if line.startswith("export REDIS_PORT_6379_TCP_ADDR"):
+        content += ("\nexport REDIS_PORT_6379_TCP_ADDR=" + redis_ip + "\n")
+    elif line.startswith("export submission_db_host"):
+        content += ("\nexport submission_db_host=" + mysql_ip + "\n")
+    else:
+        content += line
+f.close()
+
+
+f = open("/etc/profile", "w")
+f.write(content)
+f.close()
+
+print "Please run source /etc/profile"
+