Non-function value encountered for default slot in Vue 3

I have a Vue 3 cli-service app, that uses composition API components with slots The HelloWorld component renders the slots it receives in a div

Non-function value encountered for default slot Prefer function slots问题原因：Vue3 使用h函数推荐使用函数式插槽，以便获得更佳的性能。

daftar gates of olympus slot 本节：写vue和ts遇到的问题 Non-function value encountered for default slot Prefer function slots for better performance

game joker slot function in the same scope as it, without any intermediate proxy) Better IDE type inference performance (reduce the work of the language