You may dock the Navigator to any document border or turn it back into a free window (double-click on the grey area). You can change the size of the Navigator when it is a free window.
您可以将“导航”停靠至任意文档边框，也可以将其恢复为自由窗口（双击灰色区域）。当“导航”为自由窗口时，可以修改其大小。