Spinner: fix closed div tag, fixed #315
Spinner: fix closed div tag, fixed #315

ElemeFE/mint-ui,galenyuan/mint-ui,wisedu/bh-mint-ui2,ElemeFE/mint-ui,hiyali/hunt-mint-ui,hiyali/hunt-mint-ui,galenyuan/mint-ui,Leopoldthecoder/kebab-ui,wisedu/bh-mint-ui2,Leopoldthecoder/kebab-ui