You can not turn that off just you are able to change the highlight color to a less bright color. In Windows > Settings Preferences > Color Settings change the Polygon Faces to a gray color.
你无法关闭该功能;但是,你可以将高亮颜色更改为不那么明亮的颜色。在 Windows > Settings Preferences > Color Settings 中,将 Polygon Faces 的颜色更改为灰色。