diff --git a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
index 170051ca6..5cb496847 100644
--- a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
+++ b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
@@ -557,7 +557,7 @@ class Workquestionandanswer extends Component {
 																										 description={jobsettingsdata === undefined ? "" : jobsettingsdata === null ? "" : jobsettingsdata === "null" ? "" : jobsettingsdata.data.explanation === undefined ? "" : jobsettingsdata.data.explanation === null ? "" : jobsettingsdata.data.explanation}></Homeworddescription>
 															</div>
 															:
-															<div className="pl20 " style={{"padding": "10px 10px 10px 20px"}}>
+															<div className="pl20 markdown-body" style={{"padding": "10px 10px 10px 20px"}}>
 																{jobsettingsdata === undefined ? "无" : jobsettingsdata === null ? "无" : jobsettingsdata === "null" ? "无" :
 																	jobsettingsdata.data.explanation === undefined ? "无" : jobsettingsdata.data.explanation === null ? "无" :
 																		<div