Python Can'；t使用端口80运行google应用程序引擎启动器

当我尝试使用80端口运行GoogleAppEngineLauncher时，我遇到了这个错误。如何修复此错误

Traceback (most recent call last):
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/dev_appserver.py", line 83, in <module>
    _run_file(__file__, globals())
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/dev_appserver.py", line 79, in _run_file
    execfile(_PATHS.script_file(script_name), globals_)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py", line 1040, in <module>
    main()
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py", line 1033, in main
    dev_server.start(options)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py", line 824, in start
    self._dispatcher.start(options.api_host, apis.port, request_data)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/dispatcher.py", line 194, in start
    _module.start()
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/module.py", line 1176, in start
    self._balanced_module.start()
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/wsgi_server.py", line 315, in start
    self._start_all_fixed_port(host_ports)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/wsgi_server.py", line 352, in _start_all_fixed_port
    raise BindError('Unable to bind %s:%s' % self.bind_addr)
google.appengine.tools.devappserver2.wsgi_server.BindError: Unable to bind localhost:80

回溯（最近一次呼叫最后一次）：
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google_appengine/dev_appserver.py”，第83行，在
_运行\u文件（\uuuu文件，globals（））
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google_appengine/dev_appserver.py”，第79行，在运行文件中
execfile（_PATHS.script_文件（script_名称），全局文件）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/devappserver2/devappserver2.py”，第1040行
main（）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py”，主文件第1033行
dev_server.start（选项）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/devappserver2/devappserver2.py”，第824行，开始
self.\u dispatcher.start（options.api\u主机、api.port、请求\u数据）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/devappserver2/dispatcher.py”，第194行，开头
_module.start（）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/module.py”，第1176行，开头
自平衡模块启动（）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/devappserver2/wsgi\u server.py”，第315行，开始
自启动所有固定端口（主机端口）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/devappserver2/wsgi\u server.py”，第352行，在“开始\u所有固定\u端口”中
raise BindError（'无法绑定%s:%s'%self.bind\u addr）
google.appengine.tools.devappserver2.wsgi_server.BindError:无法绑定本地主机：80

请检查您的系统，您可能在同一端口上运行其他服务

80

。您不能在同一端口上启动2个服务。您可以运行

netstats

来检查在端口

80

上运行的服务。许多系统需要根权限才能绑定到端口<1024。请检查您的系统，您可能有其他服务在同一端口

80

上运行。您不能在同一端口上启动2个服务。您可以运行

netstats

来检查在端口

80

上运行的服务。许多系统需要root权限才能绑定到<1024个端口。