diff --git a/public/react/src/modules/courses/exercise/new/NullDisplay.js b/public/react/src/modules/courses/exercise/new/NullDisplay.js
index e5c604767..e61c1d2f7 100644
--- a/public/react/src/modules/courses/exercise/new/NullDisplay.js
+++ b/public/react/src/modules/courses/exercise/new/NullDisplay.js
@@ -86,7 +86,7 @@ class NullDisplay extends Component{
                     padding:12px 10px;
                     margin-bottom:10px;
                     border-radius:2px;
-                    max-width: 1024px;
+                    width: 1024px;
                     word-break: break-all;
                 }
                 .answerRow { 
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index ba41f1f9e..669d8a65d 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -492,7 +492,7 @@ class studentsList extends Component{
             <React.Fragment>
               { isSuperAdmin && <React.Fragment>
                   {/* <CreateGroupByImportModal ref="createGroupByImportModal" {...this.props}></CreateGroupByImportModal> */}
-                  <WordsBtn style="blue" className="mr30" onClick={()=> this.refs['createGroupByImportModal'].setVisible(true)}>导入创建分班</WordsBtn>
+                  {/* <WordsBtn style="blue" className="mr30" onClick={()=> this.refs['createGroupByImportModal'].setVisible(true)}>导入创建分班</WordsBtn> */}
                 </React.Fragment> }
               { isAdmin && isParent && <WordsBtn style="blue" className="mr30" onClick={()=>this.addDir()}>新建分班</WordsBtn> }
               { isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.deleteDir()}>删除分班</WordsBtn> }