diff --git a/public/react/src/common/course/WordsBtn.js b/public/react/src/common/course/WordsBtn.js
index e1fc5683d..68b278507 100644
--- a/public/react/src/common/course/WordsBtn.js
+++ b/public/react/src/common/course/WordsBtn.js
@@ -8,7 +8,7 @@ class WordsBtn extends Component {
   }
 
   render() {
-    let{to, href,targets, style2, style, ...others }=this.props
+    let{to, href,targets, style2, style, className, ...others }=this.props
     return(
       <React.Fragment>
         {
diff --git a/public/react/src/modules/courses/members/CourseGroupList.js b/public/react/src/modules/courses/members/CourseGroupList.js
index e749adcf1..1fa71a1ae 100644
--- a/public/react/src/modules/courses/members/CourseGroupList.js
+++ b/public/react/src/modules/courses/members/CourseGroupList.js
@@ -27,7 +27,7 @@ import './studentsList.css'
     角色数组, CREATOR: 创建者, PROFESSOR: 教师, ASSISTANT_PROFESSOR: 助教, STUDENT: 学生
 */
 function CourseGroupList(props) {
-    const [serachValue, setSerachValue] = useState('')
+    const [searchValue, setSearchValue] = useState('')
 
     const [DownloadType, setDownloadType] = useState()
     const [DownloadMessageval, setDownloadMessageval] = useState()
@@ -70,13 +70,10 @@ function CourseGroupList(props) {
 
     }
     function onPressEnter() {
-
-    }
-    function onInputSearchChange() {
-
+        fetchAll()
     }
     function onInputSearchChange(e) {
-        setSerachValue(e.target.value)
+        setSearchValue(e.target.value)
     }
     function Downloadcal() {
 
@@ -109,8 +106,9 @@ function CourseGroupList(props) {
     const isAdmin = props.isAdmin();
     const isSuperAdmin = props.isSuperAdmin();
     const isParent = true;
-    const searchValue = '';
-    const isCourseEnd= '';
+    // const searchValue = '';
+    const isCourseEnd= props.isCourseEnd();
+
     const course_group_id= '';
 
 
diff --git a/public/react/src/modules/courses/members/CourseGroupListTable.js b/public/react/src/modules/courses/members/CourseGroupListTable.js
index e9e315541..779e40f5e 100644
--- a/public/react/src/modules/courses/members/CourseGroupListTable.js
+++ b/public/react/src/modules/courses/members/CourseGroupListTable.js
@@ -124,7 +124,7 @@ function CourseGroupListTable(props) {
             className:"color-grey-6",
             render: (none, record, index) => {
                 return <React.Fragment>
-                    {isAdmin && <WordsBtn style2={{ marginRight: '12px' }} onClick={() => onDelete(record)} style={'grey'}>删除</WordsBtn>}
+                    {!isCourseEnd && isAdmin && <WordsBtn style2={{ marginRight: '12px' }} onClick={() => onDelete(record)} style={'grey'}>删除</WordsBtn>}
                     {isAdmin && <WordsBtn style2={{ marginRight: '12px' }} data-clipboard-text={record.invite_code} 
                         className={`copyBtn_${record.id}`} style={''}>复制邀请码</WordsBtn>    }  
                     {isStudent && <WordsBtn style2={{ marginRight: '12px' }} onClick={() => addToDir(record)} style={''}>加入分班</WordsBtn>}        
@@ -182,7 +182,7 @@ function CourseGroupListTable(props) {
     const isStudent = props.isStudent()
 
     const isParent = true;
-    const isCourseEnd= '';
+    const isCourseEnd= props.isCourseEnd();
 
     const course_groups = props.course_groups
     const columns = buildColumns()
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index 3a5a55b71..9acc4c0bf 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -833,7 +833,7 @@ class studentsList extends Component{
             </div>
             <Spin size="large" spinning={this.state.isSpin}>
             <div className="clearfix stu_table">
-              {students && students.length && <Checkbox.Group style={{ width: '100%' }} onChange={this.onCheckBoxChange} value={checkBoxValues}>       
+              {students && !!students.length && <Checkbox.Group style={{ width: '100%' }} onChange={this.onCheckBoxChange} value={checkBoxValues}>       
                 <Table columns={buildColumns(this,isParent)} dataSource={students} onChange={this.onTableChange} pagination={false}></Table>
               </Checkbox.Group> }
             </div>