fixed Clicking blank space selects last item (#159)
fixed Clicking blank space selects last item (#159)

loki315zx/mobiscroll,Julienedies/mobiscroll,xuyansong1991/mobiscroll,Julienedies/mobiscroll,xuyansong1991/mobiscroll,mrzzcn/mobiscroll,jeancroy/mobiscroll,jeancroy/mobiscroll,loki315zx/mobiscroll,mrzzcn/mobiscroll