无数据公用组件，默认宽度100%

public/react/src/modules/courses/coursesPublic/NoneData.js

@@ -8,7 +8,7 @@ class NoneData extends Component{
   render(){
     const { style } = this.props;
     return(
-      <div className="edu-tab-con-box clearfix edu-txt-center" style={style}>
+      <div className="edu-tab-con-box clearfix edu-txt-center" style={ style || { width:"100%" }}>
         <style>
           {`
             .edu-tab-con-box{