diff --git a/public/react/src/modules/courses/signin/component/Teacherentry.js b/public/react/src/modules/courses/signin/component/Teacherentry.js
index b8887c391..593bd4a50 100644
--- a/public/react/src/modules/courses/signin/component/Teacherentry.js
+++ b/public/react/src/modules/courses/signin/component/Teacherentry.js
@@ -34,7 +34,7 @@ class Teacherentry extends Component {
 		}
 		return (
 			<React.Fragment>
-				<div className={index===0?"ws100s edu-back-white ": "ws100s edu-back-white mt20"}>
+				<div className={index===0?"ws100s edu-back-white xiaoshou": "ws100s edu-back-white mt20 xiaoshou"}>
 					<div className="ws100s teacherentrydiv" onClick={isAdmin?(e)=>{e.stopPropagation();this.props.qiandaoxiangq(true,item.id)}:""}>
 						<p className={isAdmin?"ws100s teachedivp ymaxnamewidthdivp xiaoshou color-blue":"ws100s teachedivp ymaxnamewidthdivp"} >
 							{