diff --git a/public/react/src/modules/courses/signin/student/Signindetails.js b/public/react/src/modules/courses/signin/student/Signindetails.js
index 07dcee11f..8555f6965 100644
--- a/public/react/src/modules/courses/signin/student/Signindetails.js
+++ b/public/react/src/modules/courses/signin/student/Signindetails.js
@@ -2,6 +2,8 @@ import React,{ Component } from "react";
 import '../css/signincdi.css';
 import Detailss from '../component/Detailss';
 import Signedinlist from './Signedinlist'
+import axios from 'axios';
+
 //在线学习
 class Signindetails extends Component{
 	constructor(props){