Fengy

This problem always occurs in pages that use keep-alive.

> > This problem always occurs in pages that use keep-alive. > > Could you provide a minimal repro? No,doesn't always appear, and only appears in production environment.

[sfc.vuejs.org/](https://sfc.vuejs.org/#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) If you remove the m-table component first, then restore it, it will not give an error.

Swiper 重复了