diff --git a/README.md b/README.md
index 9ec85a624..2154da785 100644
--- a/README.md
+++ b/README.md
@@ -1,46 +1,59 @@
-                            // Jumpserver //
-                            
-                            
-   ~ Jumpserver是什么?
-         
-   Jumpserver是一款开源的跳板机(堡垒机)产品, 主要使用Python,Django开发
-   他实现了跳板机(堡垒机)的主要功能，删减、优化了传统堡垒机，致力于为互联网
-   运维提供服务
-   
-   ~ 版本依赖
-   
-   * Python 2.7
-   
+## Jumpserver
+Jumpserver是一款开源的跳板机产品，主要使用Python，Django开发
+
+### 开发环境
+   * Python 2.7  # 开发时需考虑兼容Python3
    * Django 1.10
-   
-   
-   ~ 快速开始
-   
-   ```
-   pip install -r requirements.txt  #  Install pip module
-   
-   yum -y install `cat rpm_requirements.txt` #  Install rpm package
-   
-   cp config_example.py config.py  #  Prepaire config from example config
-   
-   cd apps && python manage.py makemigrations  #  Make migrations for django
-   
-   python manage.py migrate  # Migrate ORM to database
-   
-   python manage.py loaddata init  # Init some data
-   
-   python manage.py loaddata fake   # Generake some fake data
-   
-   yum -y install redis && service redis start  # Or install redis docker
-   
-   python manage.py runserver 0.0.0.0:80  # Run it
-   
-   ```
-   
-   ~ 文档
 
-   * [项目结构描述](https://code.jumpserver.org/jumpserver/jumpserver/blob/master/docs/project_structure.md)
-   * [Python代码规范](https://code.jumpserver.org/jumpserver/jumpserver/blob/master/docs/python_style_guide.md)
-   * [API设计规范](https://code.jumpserver.org/jumpserver/jumpserver/blob/master/docs/api_style_guide.md)
-   * [表结构](https://code.jumpserver.org/Jumpserver/jumpserver/wikis/table-structure)
+### 安装
+1. 安装依赖库
+```
+   $ cd requirements
+   $ sudo yum -y install `cat rpm_requirements.txt`  # CentOS/RedHat
+   $ sudo apt-get  install `cat deb_requirements.txt`  # Ubuntu/Debian
+```
 
+2. 安装Python依赖包
+
+```
+# 请自行安装 Python2.7 和 pip, 以下运行是以python2.7和pip2.7开始
+$ pip2.7 install -r requirements.txt -i https://pypi.doubanio.com/simple
+
+# MacOS
+$ pip2.7 install -r requirements.txt -i https://pypi.doubanio.com/simple --user
+```
+	   
+3. 配置文件
+
+```	
+$ cd ..
+$ cp config_example.py config.py
+```
+
+配置项 参考 config.py
+
+4. 初始化数据库
+```
+# cd utils
+# sh make_migrations.sh
+# sh init_db.sh
+```
+ 
+5. 依赖redis
+```
+$ yum -y install redis
+$ service redis start  # Run docker or redis-server &
+```
+
+6. 启动
+
+```
+$ python2.7 run_server.py
+```
+ 
+### 开发者文档
+
+
+   * [项目结构描述](https://github.com/jumpserver/jumpserver/blob/dev/docs/project_structure.md)
+   * [Python代码规范](https://github.com/jumpserver/jumpserver/blob/dev/docs/python_style_guide.md)
+   * [API设计规范](https://github.com/jumpserver/jumpserver/blob/dev/docs/api_style_guide.md)
diff --git a/apps/assets/forms.py b/apps/assets/forms.py
index c8f846f15..ec95f0e1d 100644
--- a/apps/assets/forms.py
+++ b/apps/assets/forms.py
@@ -121,6 +121,9 @@ class IDCForm(forms.ModelForm):
             'extranet': forms.Textarea(
                 attrs={'placeholder': 'IP段之间用逗号隔开，如：201.1.32.1/24,202.2.32.1/24'})
         }
+        help_texts = {
+            'name': '* required'
+        }
 
 
 class AdminUserForm(forms.ModelForm):
diff --git a/apps/assets/templates/assets/idc_create_update.html b/apps/assets/templates/assets/idc_create_update.html
index 67c7f4c55..b811a2b27 100644
--- a/apps/assets/templates/assets/idc_create_update.html
+++ b/apps/assets/templates/assets/idc_create_update.html
@@ -47,9 +47,9 @@
 
                                         <div class="hr-line-dashed"></div>
                                         <div class="form-group">
-                                            <div class="col-sm-4 col-sm-offset-5">
-                                                <button class="btn btn-white" type="reset"> 重置 </button>
-                                                <button class="btn btn-primary" type="submit"> 提交 </button>
+                                            <div class="col-sm-4 col-sm-offset-2">
+                                                <button class="btn btn-default" type="reset"> {% trans 'Reset' %}</button>
+                                                <button id="submit_button" class="btn btn-primary" type="submit">{% trans 'Submit' %}</button>
                                             </div>
                                         </div>
                                     </form>
diff --git a/apps/assets/templates/assets/idc_list.html b/apps/assets/templates/assets/idc_list.html
index 8663e5009..a3471adc8 100644
--- a/apps/assets/templates/assets/idc_list.html
+++ b/apps/assets/templates/assets/idc_list.html
@@ -32,7 +32,7 @@
 			<option value="delete">{% trans 'Delete selected' %}</option>
 		</select>
 		<div class="input-group-btn pull-left" style="padding-left: 5px;">
-			<button id='btn_bulk_update' style="height: 32px;"  class="btn btn-sm btn-warning">
+			<button id='btn_bulk_update' style="height: 32px;"  class="btn btn-sm btn-primary">
 				{% trans 'Submit' %}
 			</button>
 		</div>
diff --git a/apps/assets/templates/assets/system_user_list.html b/apps/assets/templates/assets/system_user_list.html
index 51b6456b4..6a1a85884 100644
--- a/apps/assets/templates/assets/system_user_list.html
+++ b/apps/assets/templates/assets/system_user_list.html
@@ -32,7 +32,7 @@
 			<option value="update">{% trans 'Update selected' %}</option>
 		</select>
 		<div class="input-group-btn pull-left" style="padding-left: 5px;">
-			<button id='btn_bulk_update' style="height: 32px;"  class="btn btn-sm btn-warning">
+			<button id='btn_bulk_update' style="height: 32px;"  class="btn btn-sm btn-primary">
 				{% trans 'Submit' %}
 			</button>
 		</div>
diff --git a/apps/ops/models/task.py b/apps/ops/models/task.py
index babfbefa5..979d36479 100644
--- a/apps/ops/models/task.py
+++ b/apps/ops/models/task.py
@@ -30,8 +30,8 @@ class Task(models.Model):
         return []
 
     def run(self):
-        from ops.utils.ansible_api import ADHocRunner, Config
-        conf = Config()
+        from ops.utils.ansible_api import ADHocRunner, Options
+        conf = Options()
         gather_facts = "yes" if self.is_gather_facts else "no"
         play_source = {
             "name": "Ansible Play",
diff --git a/apps/ops/tasks/_celery_tasks.py b/apps/ops/tasks/_celery_tasks.py
index 13fe8d0c1..9c76fdc84 100644
--- a/apps/ops/tasks/_celery_tasks.py
+++ b/apps/ops/tasks/_celery_tasks.py
@@ -3,12 +3,12 @@ from __future__ import absolute_import, unicode_literals
 from celery import shared_task
 
 from common import celery_app
-from ops.utils.ansible_api import Config, ADHocRunner
+from ops.utils.ansible_api import Options, ADHocRunner
 
 
 @shared_task(name="get_asset_hardware_info")
 def get_asset_hardware_info(task_name, task_uuid, *assets):
-    conf = Config()
+    conf = Options()
     play_source = {
             "name": "Get host hardware information",
             "hosts": "default",
@@ -24,7 +24,7 @@ def get_asset_hardware_info(task_name, task_uuid, *assets):
 
 @shared_task(name="asset_test_ping_check")
 def asset_test_ping_check(task_name, task_uuid, *assets):
-    conf = Config()
+    conf = Options()
     play_source = {
             "name": "Test host connection use ping",
             "hosts": "default",
diff --git a/apps/ops/utils/ansible_api.py b/apps/ops/utils/ansible_api.py
index 3f3345c5f..09af3a37c 100644
--- a/apps/ops/utils/ansible_api.py
+++ b/apps/ops/utils/ansible_api.py
@@ -20,7 +20,7 @@ from ansible.plugins.callback import CallbackBase
 
 from ops.models import TaskRecord, AnsiblePlay, AnsibleTask, AnsibleHostResult
 
-__all__ = ["ADHocRunner", "Config"]
+__all__ = ["ADHocRunner", "Options"]
 
 
 logger = logging.getLogger(__name__)
@@ -30,7 +30,7 @@ class AnsibleError(StandardError):
     pass
 
 
-class Config(object):
+class Options(object):
     """Ansible运行时配置类, 用于初始化Ansible的一些默认配置.
     """
     def __init__(self, verbosity=None, inventory=None, listhosts=None, subset=None, module_paths=None, extra_vars=None,
@@ -93,7 +93,8 @@ class Config(object):
 
 
 class InventoryMixin(object):
-    """提供生成Ansible inventory对象的方法
+    """
+    提供生成Ansible inventory对象的方法
     """
 
     def gen_inventory(self):
@@ -313,7 +314,8 @@ class PlayBookRunner(InventoryMixin):
     """用于执行AnsiblePlaybook的接口.简化Playbook对象的使用.
     """
 
-    def __init__(self, config, palybook_path, playbook_var, become_pass, *hosts, **group_vars):
+    def __init__(self, config, palybook_path, playbook_var,
+                 become_pass, *hosts, **group_vars):
         """
 
         :param config: Config实例
@@ -392,7 +394,8 @@ class PlayBookRunner(InventoryMixin):
 
 
 class ADHocRunner(InventoryMixin):
-    """ADHoc接口
+    """
+    ADHoc接口
     """
     def __init__(self, play_data, config=None, *hosts, **group_vars):
         """
@@ -408,7 +411,7 @@ class ADHocRunner(InventoryMixin):
             tasks=[dict(action=dict(module='service', args={'name': 'vsftpd', 'state': 'restarted'}), async=async, poll=poll)]
         )
         """
-        self.options = config if config != None else Config()
+        self.options = config if config != None else Options()
 
         # 设置verbosity级别, 及命令行的--verbose选项
         self.display = Display()
@@ -482,7 +485,7 @@ class ADHocRunner(InventoryMixin):
 
 
 def test_run():
-    conf = Config()
+    conf = Options()
     assets = [
         {
                 "name": "192.168.1.119",
diff --git a/apps/templates/_nav.html b/apps/templates/_nav.html
index 92b9c5894..25ecf136d 100644
--- a/apps/templates/_nav.html
+++ b/apps/templates/_nav.html
@@ -50,8 +50,6 @@
     </a>
     <ul class="nav nav-second-level">
         <li id="task"><a href="{% url 'ops:page-task-list' %}">{% trans 'Task' %}</a></li>
-        <li id="sudo"><a href="{% url 'ops:page-sudo-list' %}">{% trans 'Sudo' %}</a></li>
-        <li id="cron"><a href="{% url 'ops:page-cron-list' %}">{% trans 'Cron' %}</a></li>
     </ul>
 </li>
 
diff --git a/apps/users/models/group.py b/apps/users/models/group.py
index 939ddeaf8..d24d05553 100644
--- a/apps/users/models/group.py
+++ b/apps/users/models/group.py
@@ -14,7 +14,8 @@ from common.mixins import NoDeleteModelMixin
 __all__ = ['UserGroup']
 
 
-class UserGroup(NoDeleteModelMixin, Group):
+class UserGroup(NoDeleteModelMixin):
+    name = models.CharField(max_length=128, verbose_name=_('Name'))
     comment = models.TextField(blank=True, verbose_name=_('Comment'))
     date_created = models.DateTimeField(auto_now_add=True, null=True)
     created_by = models.CharField(max_length=100)
@@ -34,9 +35,12 @@ class UserGroup(NoDeleteModelMixin, Group):
 
     @classmethod
     def initial(cls):
-        group, created = cls.objects.get_or_create(
-            name='Default', created_by='System',
-            comment='Default user group for all user')
+        default_group = cls.objects.filter(name='Default')
+        if not default_group:
+            group = cls(name='Default', created_by='System', comment='Default user group')
+            group.save()
+        else:
+            group = default_group[0]
         return group
 
     @classmethod
diff --git a/config_example.py b/config_example.py
index 71b9ab8bc..d600832f0 100644
--- a/config_example.py
+++ b/config_example.py
@@ -99,8 +99,8 @@ class DevelopmentConfig(Config):
     EMAIL_PORT = 465
     EMAIL_HOST_USER = 'ask@jumpserver.org'
     EMAIL_HOST_PASSWORD = 'xfDf4x1n'
-    EMAIL_USE_SSL = True  # If port is 465, set True
-    EMAIL_USE_TLS = False  # If port is 587, set True
+    EMAIL_USE_SSL = True
+    EMAIL_USE_TLS = False
     EMAIL_SUBJECT_PREFIX = '[Jumpserver] '
     SITE_URL = 'http://localhost:8080'
 
diff --git a/run_server.py b/run_server.py
index fc730ae51..384db3282 100644
--- a/run_server.py
+++ b/run_server.py
@@ -23,7 +23,7 @@ def start_django():
     http_port = CONFIG.HTTP_LISTEN_PORT or '8080'
     os.chdir(apps_dir)
     print('start django')
-    subprocess.call('python ./manage.py runserver %s:%s' % (http_host, http_port), shell=True)
+    subprocess.call('python2.7 ./manage.py runserver %s:%s' % (http_host, http_port), shell=True)
 
 
 def start_celery():
diff --git a/utils/make_migrations.sh b/utils/make_migrations.sh
index 0704b9cc9..3da8a20b1 100755
--- a/utils/make_migrations.sh
+++ b/utils/make_migrations.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
 
-python ../apps/manage.py makemigrations
+python2.7 ../apps/manage.py makemigrations
 
-python ../apps/manage.py migrate
+python2.7 ../apps/manage.py migrate