b

public/react/src/modules/courses/members/studentsList.js

@@ -609,8 +609,8 @@ class studentsList extends Component{
                        
                         `}</style>
               { isAdmin &&
-              <Spin spinning={this.state.donwloading} style={{  }}>
-              <li className="li_line drop_down fr color-blue font-16">
+              <Spin className="fr" spinning={this.state.donwloading} style={{  }}>
+              <li className="li_line drop_down color-blue font-16">
                 导出<i className="iconfont icon-xiajiantou font-12 ml2"></i>
                 <ul className="drop_down_menu" style={{"right": "-20px", "left": "unset", "height": "auto"}}>
                   <li onClick={(i) => this.confirmysl(exportUrltwo)}><a