Python 尝试在ec2上部署django时出错

我正在尝试部署django，它现在在ec2 ubuntu服务器上本地运行。我在尝试运行python mange.py runserver时遇到了这个问题 我没有找到任何解决办法

Traceback (most recent call last):
File "manage.py", line 14, in <module>
  execute_manager(settings)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 459, in execute_manager
  utility.execute()
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 382, in execute
  self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 261, in fetch_command
  klass = load_command_class(app_name, subcommand)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 69, in load_command_class
  module = import_module('%s.management.commands.%s' % (app_name, name))
File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py", line 35, in import_module
  __import__(name)
File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/management/commands/runserver.py", line 4, in <module>
  from django.core.management.commands.runserver import BaseRunserverCommand
File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 8, in <module>
  from django.core.servers.basehttp import AdminMediaHandler, run, WSGIServerException, get_internal_wsgi_application
File "/usr/local/lib/python2.7/dist-packages/django/core/servers/basehttp.py", line 28, in <module>
  from django.contrib.staticfiles import handlers
File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/handlers.py", line 8, in <module>
  from django.contrib.staticfiles.views import serve
File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/views.py", line 15, in <module>
  from django.contrib.staticfiles import finders
File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/finders.py", line 11, in <module>
  from django.contrib.staticfiles.storage import AppStaticStorage
File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/storage.py", line 10, in <module>
  from django.core.cache import (get_cache, InvalidCacheBackendError,
File "/usr/local/lib/python2.7/dist-packages/django/core/cache/__init__.py", line 187, in <module>
  cache = get_cache(DEFAULT_CACHE_ALIAS)
File "/usr/local/lib/python2.7/dist-packages/django/core/cache/__init__.py", line 172, in get_cache
  backend, location, params = parse_backend_conf(backend, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/core/cache/__init__.py", line 125, in parse_backend_conf
  backend = args.pop('BACKEND')
KeyError: 'BACKEND'

回溯（最近一次呼叫最后一次）：
文件“manage.py”，第14行，在
执行\u管理器（设置）
文件“/usr/local/lib/python2.7/dist-packages/django/core/management/__-init__.py”，第459行，在执行管理器中
utility.execute（）
文件“/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py”，执行中第382行
self.fetch_命令（子命令）。从_argv（self.argv）运行_
文件“/usr/local/lib/python2.7/dist-packages/django/core/management/__-init__.py”，第261行，在fetch_命令中
klass=加载命令类（应用程序名称，子命令）
文件“/usr/local/lib/python2.7/dist-packages/django/core/management/__-init__.py”，第69行，装入命令类
模块=导入模块（“%s.management.commands.%s%”（应用程序名称，名称））
文件“/usr/local/lib/python2.7/dist packages/django/utils/importlib.py”，第35行，在导入模块中
__导入（名称）
文件“/usr/local/lib/python2.7/dist packages/django/contrib/staticfiles/management/commands/runserver.py”，第4行，在
从django.core.management.commands.runserver导入BaseRunserverCommand
文件“/usr/local/lib/python2.7/dist packages/django/core/management/commands/runserver.py”，第8行，在
从django.core.servers.basehttp导入AdminMediaHandler，运行WSGIServerException，获取内部wsgi应用程序
文件“/usr/local/lib/python2.7/dist packages/django/core/servers/basehttp.py”，第28行，在
从django.contrib.staticfiles导入处理程序
文件“/usr/local/lib/python2.7/dist packages/django/contrib/staticfiles/handlers.py”，第8行，在
从django.contrib.staticfiles.views导入服务
文件“/usr/local/lib/python2.7/dist packages/django/contrib/staticfiles/views.py”，第15行，在
从django.contrib.staticfiles导入查找器
文件“/usr/local/lib/python2.7/dist packages/django/contrib/staticfiles/finders.py”，第11行，在
从django.contrib.staticfiles.storage导入AppStaticStorage
文件“/usr/local/lib/python2.7/dist packages/django/contrib/staticfiles/storage.py”，第10行，在
从django.core.cache导入（获取缓存，InvalidCacheBackendError，
文件“/usr/local/lib/python2.7/dist-packages/django/core/cache/__-init__.py”，第187行，在
缓存=获取缓存（默认缓存别名）
文件“/usr/local/lib/python2.7/dist-packages/django/core/cache/__-init__.py”，第172行，在get_缓存中
后端，位置，参数=parse_backend_conf（后端，**kwargs）
文件“/usr/local/lib/python2.7/dist-packages/django/core/cache/__-init__uuuuuu.py”，第125行，在parse_-backend_-conf中
后端=args.pop（'backend'）
KeyError:“后端”

在Settings.py中设置后端