diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index 1f6bf9096..ffdb9ed59 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -598,7 +598,7 @@ class studentsList extends Component{
         .then((response) => {
           if (response.data.status == 0) {
             this.props.showNotification('删除成功')
-            this.props.history.push(`/courses/${coursesId}/course_groups`)
+            this.props.history.push(`/courses/${courseId}/course_groups`)
           }
         })
         .catch(function (error) {
@@ -706,7 +706,7 @@ class studentsList extends Component{
             <React.Fragment>
               <span>
                 <Tooltip title="返回">
-                  <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${coursesids}/course_groups`)}}
+                  <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${courseId}/course_groups`)}}
                     style={{color: '#212121', verticalAlign: 'initial', marginRight: '14px' }}
                   ></i>
                 </Tooltip>{course_group_name || '未分班'}</span>
@@ -751,7 +751,7 @@ class studentsList extends Component{
                   !isStudentPage && !isCourseEnd && isAdmin  && <WordsBtn style="blue" className="mr30" onClick={()=>this.addDir()}>新建分班</WordsBtn> }
 
               { 
-                  !isStudentPage && isStudent && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.addToDir()}>加入分班</WordsBtn> }
+                  !isStudentPage && isStudent && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="" onClick={()=>this.addToDir()}>加入分班</WordsBtn> }
               <style>{`
                 .drop_down_menu li a {
                     padding: 0px;