Minor refactor
Minor refactor

dxiaogang/nice-spinner,Heart2009/nice-spinner,jianhuanyu/nice-spinner,ema987/nice-spinner,y1045127238/nice-spinner,khj0704/nice-spinner,arcadefire/nice-spinner,iluhcm/nice-spinner,yiShanXin/nice-spinner,0359xiaodong/nice-spinner,aaaliua/nice-spinner,gouravd/nice-spinner,SmarkSeven/nice-spinner,bajian/nice-spinner,arcadefire/nice-spinner