ant-design-vue/components/tooltip/demo/arrow-point-at-center.md

#### 箭头指向 设置了 `arrowPointAtCenter` 后，箭头将指向目标元素的中心。 #### Arrow pointing at the center By specifying `arrowPointAtCenter` prop, the arrow will point to the center of the target element.

<template>
  <div>
    <a-tooltip placement="topLeft" title="Prompt Text">
      <a-button>Align edge / 边缘对齐</a-button>
    </a-tooltip>
    <a-tooltip placement="topLeft" title="Prompt Text" arrowPointAtCenter>
      <a-button>Arrow points to center / 箭头指向中心</a-button>
    </a-tooltip>
  </div>
</template>