新建文件名，以.desktop结尾，如pycharm.desktop
[Desktop Entry]
Encoding=UTF-8
Name=pycharm
Exec=sh /home/perry/Downloads/pycharm/bin/pycharm.sh
Icon= /home/perry/Downloads/pycharm/bin/pycharm.png
Info="Spark"
Terminal=false
Type=Application
StartupNotify=true
注意Exec和Icon的路径换成软件的路径
