[Vue warn]: Unknown custom element: <el-carousel-item> – did you register the component correctly?

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At the beginning, the blogger saw the newspaper and wondered why it was wrong. It had happened before, but this time it was wrong. At the time of the newspaper, the blogger did not carefully read the reasons for the newspaper’s wrong, so he searched in a disorderly way, but could not find a solution.

It turns out that when using the carousel, not only the carousel, but also the carousel-item should be registered. After registration, it will be displayed normally.

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