创建filezilla.desktop文件

nano ~/.local/share/applications/filezilla.desktop

内容：

[Desktop Entry]
Version=1.0
Type=Application
Name=FileZilla
Exec=/home/o-o/NONNIX/TOOLS/FileZilla3/bin/filezilla
Icon=/home/o-o/NONNIX/TOOLS/FileZilla3/share/icons/hicolor/48x48/apps/filezilla.png
Terminal=false
Categories=Network;FileTransfer;

更改读写权限

sudo chmod 744 ~/.local/share/applications/filezilla.desktop

如果是旧版系统，还需要复制文件和更新数据：

sudo cp filezilla.desktop /usr/share/applications
update-desktop-database ~/.local/share/applications/