问如何在尝试部署应用装置时解决此错误-heroku命令行界面错误

EN

当我尝试从url访问应用程序时出现应用程序错误。这是日志中的错误

2018-11-14T10:57:51.683297+00:00 app[web.1]: npm ERR! easy-shop@0.0.0 start:ng serve 2018-11-14T10:57:51.683411+00:00 app[web.1]: npm ERR! spawn ENOENT 2018-11-14T10:57:51.683785+00:00 app[web.1]: npm ERR! 2018-11-14T10:57:51.683972+00:00 app[web.1]: npm ERR! Failed at the easy-shop@0.0.0 start script. 2018-11-14T10:57:51.684145+00:00 app[web.1]: npm ERR! This is probably not a problem with npm. There is likely additional logging output above. 2018-11-14T10:57:51.693817+00:00 app[web.1]: 2018-11-14T10:57:51.694093+00:00 app[web.1]: npm ERR! A complete log of this run can be found in: 2018-11-14T10:57:51.694272+00:00 app[web.1]: npm ERR! /app/.npm/_logs/2018-11-14T10_57_51_686Z-debug.log 2018-11-14T10:57:51.753202+00:00 heroku[web.1]: State changed from starting to crashed 2018-11-14T10:57:51.744306+00:00 heroku[web.1]: Process exited with status 1

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