fix: render state value in children render always get init one #2634
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中文模板 / Chinese Template
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PR description
Fixes #2633
之前的写法将 children 放在 state 中维护,仅在 key 值改变的时候更新 children,导致在 children 渲染 state (如 currentIndex 值)仅能得到一开始的初始值。
修复后 children 根据当前 props 生成,在 children 渲染 state 值能够正确更新。
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