其实安装这玩意没啥麻烦的……但是我记性不好，还是mark下好了。

sudo apt-get install qt4-qmake libqt4-dev libqjson-dev libphonon-dev libqt4-dev git
git clone https://github.com/CaledoniaProject/XLCloudClient.git && cd XLCloudClient/
qmake
make
sudo make install

sudo gedit /usr/share/applications/CloudClient.desktop
# replace"thunder-256"with“/usr/share/icons/hicolor/256x256/apps/thunder-256.png”