Angular 绑定systemjs错误后角度种子模板延迟加载模块运行时错误：找不到'；BeerModule'；在'；app/beer/beer.module'；

我正在尝试使用角度种子模板执行延迟加载模块：

我已经遵循了所有的步骤，并且能够成功地进行产品构建，它在开发环境中工作

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加载惰性模块“module.js”时出现运行时错误，说明下载成功。

映像中的错误消息与发布的堆栈跟踪中的错误消息不同。打字错误？@人头攒动，谢谢

   ERROR Error: Uncaught (in promise): Error: Cannot find 'BeerModule' in 'app/beer/beer.module'
        Error: Cannot find 'BeerModule' in 'app/beer/beer.module'
            at g (shims.js?1498055735607:6)
            at checkNotEmpty (app.js?1498055735609:47)
            at app.js?1498055735609:51
            at t.invoke (shims.js?1498055735607:7)
            at Object.onInvoke (app.js?1498055735609:50)
            at t.invoke (shims.js?1498055735607:7)
            at e.run (shims.js?1498055735607:6)
            at shims.js?1498055735607:6
            at t.invokeTask (shims.js?1498055735607:7)
            at Object.onInvokeTask (app.js?1498055735609:50)
            at t.invokeTask (shims.js?1498055735607:7)
            at e.runTask (shims.js?1498055735607:6)
            at a (shims.js?1498055735607:6)
            at XMLHttpRequest.invoke (shims.js?1498055735607:7)
            at g (shims.js?1498055735607:6)
            at checkNotEmpty (app.js?1498055735609:47)
            at app.js?1498055735609:51
            at t.invoke (shims.js?1498055735607:7)
            at Object.onInvoke (app.js?1498055735609:50)
            at t.invoke (shims.js?1498055735607:7)
            at e.run (shims.js?1498055735607:6)
            at shims.js?1498055735607:6
            at t.invokeTask (shims.js?1498055735607:7)
            at Object.onInvokeTask (app.js?1498055735609:50)
            at t.invokeTask (shims.js?1498055735607:7)
            at e.runTask (shims.js?1498055735607:6)
            at a (shims.js?1498055735607:6)
            at XMLHttpRequest.invoke (shims.js?1498055735607:7)
            at g (shims.js?1498055735607:6)
            at f (shims.js?1498055735607:6)
            at f (shims.js?1498055735607:6)
            at shims.js?1498055735607:6
            at t.invokeTask (shims.js?1498055735607:7)
            at Object.onInvokeTask (app.js?1498055735609:50)
            at t.invokeTask (shims.js?1498055735607:7)
            at e.runTask (shims.js?1498055735607:6)
            at a (shims.js?1498055735607:6)
            at XMLHttpRequest.invoke (shims.js?1498055735607:7)