根據(jù)https://python.freelycode.com/article/detail/736/解決方案: 菜單  Window>restore default layout。但是我的菜單欄沒(méi)有window。亂點(diǎn),菜單欄下面一行右鍵,有Customize Menus and Toolbars, Restore All Defaults。菜單欄就有了Window