Popover组件为何不根据该组件渲染出的div来定位

例如Popover>content+button 渲染成 div>content+button 但是这个content 并不是根据 div来计算位置的
导致部分情况下弹框定位错误，并不能总是跟随触发位置，望作者及时调整！

Start by reproducing the reported Popover positioning case where content and button render inside a div, then inspect how the Popover calculates the content position relative to its trigger. Done means the displayed popover consistently follows the trigger in the reported cases. The issue names no files or tests, so the relevant entry point must be located first.

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