diff --git a/public/react/src/modules/courses/exercise/Testpapersettinghomepage.js b/public/react/src/modules/courses/exercise/Testpapersettinghomepage.js
index ddb448cfc..36b319f5a 100644
--- a/public/react/src/modules/courses/exercise/Testpapersettinghomepage.js
+++ b/public/react/src/modules/courses/exercise/Testpapersettinghomepage.js
@@ -267,7 +267,7 @@ class Testpapersettinghomepage extends Component{
                         <p className="clearfix mb20 mt10">
                             <a className=" btn colorgrey fl hovercolorblue "  onClick={this.goback} >{this.props.coursedata.name}</a>
                             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
-                            <a className=" btn colorgrey fl hovercolorblue "   href={`/courses/${this.props.match.params.coursesId}/exercises/${Commonheadofthetestpaper&&Commonheadofthetestpaper.user_permission.left_banner_id}`} >试卷</a>
+                            <Link className=" btn colorgrey fl hovercolorblue "   to={`/courses/${this.props.match.params.coursesId}/exercises/${Commonheadofthetestpaper&&Commonheadofthetestpaper.user_permission.left_banner_id}`} >试卷</Link>
                             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
                             <WordsBtn className="fl">试卷详情</WordsBtn>
                         </p>
diff --git a/public/react/src/modules/courses/exercise/new/JudgeDisplay.js b/public/react/src/modules/courses/exercise/new/JudgeDisplay.js
index 0f8930a8a..a0d5baf2a 100644
--- a/public/react/src/modules/courses/exercise/new/JudgeDisplay.js
+++ b/public/react/src/modules/courses/exercise/new/JudgeDisplay.js
@@ -7,7 +7,7 @@ import {
 } from 'antd';
 import axios from 'axios'
 import { qNameArray } from './common'
-import {getUrl, ActionBtn, markdownToHTML} from 'educoder';
+import {getUrl, ActionBtn, markdownToHTML, MarkdownToHtml} from 'educoder';
 import QestionDisplayHeader from './QestionDisplayHeader'
 const { TextArea } = Input;
 const confirm = Modal.confirm;