为什么我的ASP.NET 5应用程序不能在IIS 7.5上运行？

I'm running ASP.NET 5 (Core) with IIS 7.5. I've already installed httpPlatformHandler and set the physical path of the site (in IIS) to the wwwroot folder that I published from visual studio 2015. All I get is the blank continuous loading page. I am pretty sure I have everything wired up correctly. Also, it loads up fine if I uncomment out the app.Run statement from within the Configure method and comment out the app.UseIISPlatformHandler, app.UseDefaultFiles, app.UseStaticFiles and app.UseMVC.I'm running ASP.NET 5 (Core) with IIS 7.5. I've