将下面文字存成gvim.desktop 放在 /usr/share/applications下就可了。

[Desktop Entry]
Name = gVim
Comment = Gvim
Exec = /usr/bin/gvim
Icon = /usr/share/pixmaps/vim.svg
Terminal = false
X-MultipleArgs = false
Type = Application
Categories = Application;Development;
Encoding = UTF-8
StartupNotify = true