在Heroku上部署应用程序后，当我运行我的应用程序时，它显示如下错误：应用程序错误应用程序中发生错误，无法提供您的页面 . 如果您是应用程序所有者，请检查日志以获取详细信息 .
当我检查它显示的日志时：
2018-03-30T07：25：13.273255 00:00 heroku [web.1]：进程退出状态为127
2018-03-30T07：25：14.757951 00:00 heroku [router]：at = error code = H10 desc = "App crashed" method = GET path = "/" host = protected-journey-42490.herokuapp.com request_id = fdaf6efd-b490-4848 -8f55-f583f1fc6b50 fwd = "125.16.236.158" dyno = connect = service = status = 503 bytes = protocol = https
2018-03-30T07：25：15.888944 00:00 heroku [router]：at = error code = H10 desc = "App crashed" method = GET path = "/favicon.ico" host = protected-journey-42490.herokuapp.com request_id = 7cdefbb6-e1a0-42bf -bb4d-0deed69f9c61 fwd = "125.16.236.158" dyno = connect = service = status = 503 bytes = protocol = https
这是我的存储库的参考链接： pages_project