I did encounter a bug though: the spread mode USES a different wallpaper (using the Unity 2d Launcher workspace switcher), as you can see in the video below.
尽管我遇到了一个bug：在扩展模式中使用了一张不同的壁纸(当使用Unity 2d Launcher工作区切换器的时候)你可以在下面的录像中看到。
The first thing I changed was to open the workspace switcher preferences and set the number of workspaces to one. Then I removed it from the panel all-together.
我所做的第一件事情就是打开工作区切换配置，并且把桌面数量设置为一个，然后我把它彻底从面板上移除了。
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