diff --git a/public/react/src/modules/courses/busyWork/CommonWorkQuestion.js b/public/react/src/modules/courses/busyWork/CommonWorkQuestion.js
index f400cd9a2..d2ce6b8e4 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkQuestion.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkQuestion.js
@@ -91,7 +91,7 @@ class CommonWorkQuestion extends Component{
         
         {/* 内容区 */}
         <div className="padding40 memoContent new_li">
-          <MarkdownToHtml content={description} selector="work_content"></MarkdownToHtml>
+          <MarkdownToHtml content={description} selector="work_content" className="mb10"></MarkdownToHtml>
 
           { attachments && attachments.map((item) => {
             return ( <div className="color-grey">