Angularjs5 uses Angular CLI to build projects that introduce WebStrom bootstrap and angularjs without syntax hints

1.Angularjs5. Using Angular CLI to build a project to introduce bootstrap,WebStrom bootstrap and angularjs is not prompted. Angularjs has this prompt that the plug-in angularjs has been installed, but the ng- syntax seems to have no hint, and bootStrap has no separate reference at all but is just not prompted in the angularjs5 project:

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