fix one little thing on img
fix one little thing on img

pengjiang80/ui,westlywright/ui,rancherio/ui,rancher/ui,pengjiang80/ui,rancher/ui,rancher/ui,lvuch/ui,lvuch/ui,vincent99/ui,lvuch/ui,westlywright/ui,vincent99/ui,vincent99/ui,pengjiang80/ui,westlywright/ui,rancherio/ui,rancherio/ui