Nicefish error in Appmodule was not a ngmodule problem

The desert Teacher's angular2 Novice Tutorial project, Nicefish just started down to run NG serve--prod--aot is the error in Appmodule was not an ngmodule

This problem is normal because of your typescript version issue, you can enter the project's Package.json file to change

After the change is complete, execute the CNPM install loading

After loading is complete, perform ng serve--prod--aot

You can access it normally.

Nicefish error in Appmodule was not a ngmodule problem