diff --git a/public/react/src/modules/courses/exercise/Exercisetablesmubu.js b/public/react/src/modules/courses/exercise/Exercisetablesmubu.js
index 60c29ffbc..92cfa30b7 100644
--- a/public/react/src/modules/courses/exercise/Exercisetablesmubu.js
+++ b/public/react/src/modules/courses/exercise/Exercisetablesmubu.js
@@ -52,7 +52,7 @@ class Exercisetablesmubus extends Component {
 			 dataIndex: 'commit_percent',
 			 key: 'commit_percent',
 			 render: (text, record, index) => {
-				const _content = <span style={{color:text.type===true? "#29BD8B":'#333333'}}>
+				const _content = <span style={{color:text.type===true? "#29BD8B":'#333333', width: '100%'}}>
 					{text.value!="有效填写量"&&text.value!="wrong" && 
 						<MarkdownToHtml content={text.value} selector={(tableNum+1) + '' + (index+1)}></MarkdownToHtml>
 						}