我刚刚从Angular 2 rc4升级到rc6,并且遇到麻烦。 我在控制台上看到以下错误: Unhandled Promise rejection: Template parse errors: 'cl-header' is not a known element: 1. If 'cl-header' is an Angular component, then verify that it is part of this module. 2. If 'cl-header' is a Web Component then add "CUSTOM_ELEMENTS_SCHEMA" to the '@NgModule.schema' of this component to suppress this message. ("<main> [ERROR ->]<cl-header>Loading […]