diff --git a/public/react/src/modules/courses/Resource/Fileslistitem.js b/public/react/src/modules/courses/Resource/Fileslistitem.js
index fd886d395..d03018fd7 100644
--- a/public/react/src/modules/courses/Resource/Fileslistitem.js
+++ b/public/react/src/modules/courses/Resource/Fileslistitem.js
@@ -253,7 +253,7 @@ class Fileslistitem extends Component{
 											{discussMessage.is_publish===false?<CoursesListType typelist={["未发布"]} typesylename={""}/>:""}
 
 											{this.props.isAdmin?
-												<span className={"fr mrf2 mr10 mt2"} onClick={(event)=>this.eventStop(event)}>
+												<span className={"fr mr10 mt2"} onClick={(event)=>this.eventStop(event)}>
                       <WordsBtn style="blue" className="colorblue font-16 mr20 fr">
                           <a className="btn colorblue"
 														 onClick={()=>this.settingList()}>设置</a>
@@ -261,7 +261,7 @@ class Fileslistitem extends Component{
                       </span>:""}
 
 											{this.props.isStudent===true&&this.props.current_user.login===discussMessage.author.login?
-												<span className={"fr mrf2 mr10 mt2"} onClick={(event)=>this.eventStop(event)}>
+												<span className={"fr mr10 mt2"} onClick={(event)=>this.eventStop(event)}>
 
                       <WordsBtn style="blue" className="colorblue font-16 mr20 fr">
                         <a className="btn colorblue"