初学angular4，脚手架报错Unexpected character '@' (8:0)

Question

代码地址

https://github.com/wohuifude1...

ERROR in ./src/app/app.module.ts
Module parse failed: /Users/univer/Desktop/company/angular-dream/src/app/app.module.ts Unexpected character '@' (8:0)
You may need an appropriate loader to handle this file type.
| import { NgModule } from "@angular/core";
| //@NgModule装饰器用来为模块定义元数据
| @NgModule({ // @NgModule 用来定义模块用的装饰器
|     declarations: [AppComponent], // 导入模块所依赖的组件、指令等,用于指定这个模块的视图类
|     imports: [
 @ ./src/main.ts 1:0-43
 @ multi app