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[Bug] 列表分组时，如果列数过多（50以上），此时在更新表格数据时，会非常卡顿，800条数据，加载了10S+，而且开启关闭也很卡，分组时的渲染逻辑有点问题，感觉是把分组的行数都加载出来了，导致渲染东西太多，我看源码，分组时和普通的渲染逻辑不一样，优化成只渲染当前展示的行列感觉会更好 #5183

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[Bug] 列表分组时，如果列数过多（50以上），此时在更新表格数据时，会非常卡顿，800条数据，加载了10S+，而且开启关闭也很卡，分组时的渲染逻辑有点问题，感觉是把分组的行数都加载出来了，导致渲染东西太多，我看源码，分组时和普通的渲染逻辑不一样，优化成只渲染当前展示的行列感觉会更好#5183
#5200
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Description

@chen18236816953
chen18236816953
opened on Jun 18, 2026
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Version

e.g.1.26.1

Link to Minimal Reproduction

https://visactor.io/vtable/demo/table-type/list-table-group

Steps to Reproduce

1.数据 1000行，100列
2. 初始表格为空，后边将data注入
3. 可以变化分组的配置
4. 使用updateOptions更新表格配置

Current Behavior

分组渲染卡顿
分组配置变化后，目前只能通过updateOptions函数更新配置，造成很多不必要的更新

Expected Behavior

优化分组和数据更新逻辑

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- OS:
- Browser:
- Framework:

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