默认情况下，钢笔工具会自动添加锚点到已存在的路径，删除已存在的锚点。

By default, the Pen tool (p) automatically adds anchor points to an existing path, and deletes existing anchor points.

youdao

默认情况下，钢笔工具会自动添加锚点到已存在的路径，删除已存在的锚点。

By default, the Pen tool (p) automatically adds anchor points to an existing path, and deletes existing anchor points.

youdao