angular5 - 错误：已加载补丁：ZoneAwarePromise

Question

我们尝试为 Angular 5 项目进行服务器端渲染构建，然后显示此错误。我的Zone js被加载了polyfills.ts，有什么问题如何解决。

我在 mysserver.js文件中两次观察到相同的区域代码，谢谢

Error: Already loaded patch: ZoneAwarePromise
    at E:\ecap3\ecap3-webclient-selectnetwork\dist\server.js:628850:6
    at FUNCTION (E:\ecap3\ecap3-webclient-selectnetwork\dist\server.js:628213:10)
    at Object.<anonymous> (E:\ecap3\ecap3-webclient-selectnetwork\dist\server.js:628216:2)
    at __webpack_require__ (E:\ecap3\ecap3-webclient-selectnetwork\dist\server.js:372510:30)