好吧，整个问题都在标题中。说我有以下启动器
#!/usr/bin/env xdg-open
[Desktop Entry]
Version=1.0
Type=Application
Terminal=false
Name=Lantern
Comment=Lantern interface to ICC
Exec=/usr/bin/java -jar /home/john/local/lantern-chess/lantern.jar
Icon=/
如何让它在/home/john/local/lantern-chess/文件夹中运行？