The unity desktop is wired and simply setting .conkyrc‘s transparent setting won’t make it work correctly.
After some google, I found these solution:

    own_window = true,
    own_window_class = ‘Conky’,
    own_window_type = ‘dock’,
    own_window_transparent = true,
    own_window_argb_visual = true,
    own_window_argb_value = 128,
    own_window_hints = ‘undecorated,below,sticky,skip_taskbar,skip_pager’,

But this way it will somehow interrupt with the show-desktop shortcut so the shortcut will not work every-time. Still looking for solutions.

2017/4/9 21:56