diff --git a/app/helpers/subjects_helper.rb b/app/helpers/subjects_helper.rb
index 72154b0a8..fb2246a50 100644
--- a/app/helpers/subjects_helper.rb
+++ b/app/helpers/subjects_helper.rb
@@ -1,12 +1,23 @@
 module SubjectsHelper
 
   # 实训路径的发布状态
-  def publish_status subject, is_manager, user
+  def publish_status subject, is_manager
     status = -1
     if is_manager
       status = 0 if subject.status == 0
       status = 1 if subject.status == 1
-      status = 2 if subject.status == 2 && user.admin?
+      status = 2 if subject.status == 2
+    end
+    status
+  end
+
+  # 实训路径的公开状态
+  def public_status subject, is_manager, user
+    status = -1
+    if is_manager
+      status = 0 if subject.public == 0
+      status = 1 if subject.public == 1
+      status = 2 if subject.public == 2 && user.admin?
     end
     status
   end
diff --git a/app/views/subjects/show.json.jbuilder b/app/views/subjects/show.json.jbuilder
index 49ad55517..d25437f0a 100644
--- a/app/views/subjects/show.json.jbuilder
+++ b/app/views/subjects/show.json.jbuilder
@@ -6,7 +6,8 @@ json.subject_score @subject.all_score
 json.member_count @subject.member_count
 
 json.allow_delete (@subject.status != 2 && @is_creator) || @user.admin?
-json.publish_status publish_status(@subject, @is_manager, @user)
+json.publish_status publish_status(@subject, @is_manager)
+json.public_status public_status(@subject, @is_manager, @user)
 json.allow_statistics @is_manager
 json.allow_send @user.logged?
 json.allow_visit @subject.status > 1 || @is_manager
diff --git a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
index c8715e1b8..99d5f7606 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
@@ -246,7 +246,7 @@ class CoursesBanner extends Component {
 
                 })
             }else{
-                s = "邀请码停用后，用户不能主动加入该课堂了";
+                s = "课堂邀请码停用后，用户不能主动加入该课堂了";
                 ss =  "您是否确认停用?";
                 this.showActionPoll(i,s,ss)
             }
diff --git a/public/react/src/modules/courses/members/CourseGroupList.js b/public/react/src/modules/courses/members/CourseGroupList.js
index afec12fa9..597357a9f 100644
--- a/public/react/src/modules/courses/members/CourseGroupList.js
+++ b/public/react/src/modules/courses/members/CourseGroupList.js
@@ -133,7 +133,12 @@ function CourseGroupList(props) {
                 modalsType={DownloadType}
             />
             <Titlesearchsection
-                title={"分班列表"}
+                title={
+                    <ul className="course_publicNav">
+                        <li className="active">分班列表</li>
+                        <li onClick={() => {props.history.push(`/courses/${courseId}/course_groups/0`)}}>未分班</li>
+                    </ul>
+                }
                 searchValue={ searchValue }
                 onInputSearchChange={onInputSearchChange}
                 allowClearonChange={onInputSearchChange}
@@ -211,12 +216,12 @@ function CourseGroupList(props) {
                 onPressEnter={onPressEnter}
             ></Titlesearchsection>
 
-            {!!none_group_member_count && <div className="mt20 E9F8FF padding20-30 pointer" onClick={() => {props.history.push(`/courses/${courseId}/course_groups/0`)}}>
+            {/* {!!none_group_member_count && <div className="mt20 E9F8FF padding20-30 pointer" onClick={() => {props.history.push(`/courses/${courseId}/course_groups/0`)}}>
                 <span>未分班：</span>
                 <span style={{color: '#999999'}}>{none_group_member_count}个学生</span>
 
                 <WordsBtn style="blue" className="fr">查看</WordsBtn>
-            </div>}
+            </div>} */}
 
             <Spin size="large" spinning={isSpin}>
                 {course_groups && !!course_groups.length ?
diff --git a/public/react/src/modules/courses/members/CourseGroupListTable.js b/public/react/src/modules/courses/members/CourseGroupListTable.js
index 5551faee3..d0ccbd73a 100644
--- a/public/react/src/modules/courses/members/CourseGroupListTable.js
+++ b/public/react/src/modules/courses/members/CourseGroupListTable.js
@@ -1,11 +1,11 @@
 import React, { useState, useEffect } from 'react'
 
-import { Input,Checkbox,Table, Pagination, Modal,Menu ,Spin, Tooltip , Badge, Popconfirm } from "antd";
+import { Input,Checkbox,Table, Pagination, Modal,Menu ,Spin, Tooltip , Badge, Popconfirm, Result } from "antd";
 import axios from 'axios'
 
 import { WordsBtn, trigger, on, off, getUrl, downloadFile , sortDirections } from 'educoder'
 import ClipboardJS from 'clipboard'
-
+import './studentsList.css';
 /** 
     角色数组, CREATOR: 创建者, PROFESSOR: 教师, ASSISTANT_PROFESSOR: 助教, STUDENT: 学生
     course_members_count: 0
@@ -103,10 +103,30 @@ function CourseGroupListTable(props) {
                 dataIndex: 'invite_code',
                 key: 'invite_code',
                 align:'center',
-                width:"10%",
+                width:"21%",
                 className:"color-grey-6",
                 render: (invite_code, record, index) => {
-                    return invite_code
+                    return <React.Fragment>
+                        <span>{invite_code}</span>
+                        {
+                            record.edit_auth ?
+                                <span onClick={()=>changeInviteCode(record.id,record.invite_code_halt)} className={record.invite_code_halt ?"codeBtnStyle codeBtn_green ml10":"codeBtnStyle codeBtn_blue ml10"}>
+                                    {record.invite_code_halt ?"启用":"停用"}
+                                </span>
+                            :""
+                        }
+                        {isAdmin && !record.invite_code_halt &&
+                            <Tooltip title={
+                                <div>
+                                    <div>成员可以通过邀请码主动加入分班</div>
+                                    <div>点击复制邀请码</div>
+                                </div>
+                            }>
+                                <WordsBtn data-clipboard-text={record.invite_code} 
+                                    className={`copyBtn_${record.id} codeBtnStyle codeBtn_yellow ml10`} style={''}>复制</WordsBtn>    
+                            </Tooltip>
+                            }
+                    </React.Fragment>
                 }
             } : {
                 title: '你当前所在分班',
@@ -127,22 +147,12 @@ function CourseGroupListTable(props) {
             dataIndex: 'setting',
             key: 'setting',
             align:'center',
-            width:"25%",
+            width:"14%",
             className:"color-grey-6",
             render: (none, record, index) => {
                 return <React.Fragment>
                     {!isCourseEnd && isAdmin && <WordsBtn style2={{ marginRight: '12px' }} onClick={() => onDelete(record)} style={'grey'}>删除分班</WordsBtn>}
-                    {isAdmin && 
-                    <Tooltip title={
-                        <div>
-                            <div>成员可以通过邀请码主动加入分班</div>
-                            <div>点击复制邀请码</div>
-                        </div>
-                    }>
-                        <WordsBtn style2={{ marginRight: '12px' }} data-clipboard-text={record.invite_code} 
-                            className={`copyBtn_${record.id}`} style={''}>复制邀请码</WordsBtn>    
-                    </Tooltip>
-                    }  
+                      
                     {isStudent && <WordsBtn style2={{ marginRight: '12px' }} onClick={() => addToDir(record)} style={''}>加入分班</WordsBtn>}        
                     <WordsBtn  onClick={() => onGoDetail(record)} style={''}>查看</WordsBtn>              
                 </React.Fragment>
@@ -209,6 +219,32 @@ function CourseGroupListTable(props) {
     function onGoDetail(record) {
         props.history.push(`/courses/${courseId}/course_groups/${record.id}`)
     }
+    // 停用和启用邀请码
+    function changeInviteCode(id,flag){
+        if(flag){
+            changeInviteCodeFunc(id,flag);
+        }else{
+            props.confirm({
+                content:"分班邀请码停用后，用户不能主动加入该分班了",
+                subContent:'您是否确认停用？',
+                onOk:() => {
+                    changeInviteCodeFunc(id,flag)
+                }
+            })
+        }
+    }
+
+    function changeInviteCodeFunc(id,flag){
+        const url= `/course_groups/${id}/set_invite_code_halt.json`;
+        axios.post(url).then(result=>{
+            if(result){
+                props.showNotification(`邀请码${flag?"启用":"停用"}成功！`);
+                props.onOperationSuccess && props.onOperationSuccess();
+            }
+        }).catch(error=>{
+            console.log(error);
+        })
+    }
     const isAdmin = props.isAdmin();
     const isSuperAdmin = props.isSuperAdmin();
     const isStudent = props.isStudent()
diff --git a/public/react/src/modules/courses/members/studentsList.css b/public/react/src/modules/courses/members/studentsList.css
index b2a41c7e6..bd7b88ed1 100644
--- a/public/react/src/modules/courses/members/studentsList.css
+++ b/public/react/src/modules/courses/members/studentsList.css
@@ -5,4 +5,47 @@
 
 .E9F8FF{
     background-color: #E9F8FF;
+}
+
+.codeBtnStyle{
+    height: 18px;
+    line-height: 18px;
+    padding:0px 5px;
+    cursor: pointer;
+    font-size: 12px;
+    border-radius: 2px;
+}
+.codeBtn_yellow{
+    border:1px solid #FF6B06;
+    color: #FF6B06!important;
+}
+.codeBtn_green{
+    border:1px solid #00BA38;
+    color: #00BA38!important;
+}
+
+.codeBtn_blue{
+    border:1px solid #4CACFF;
+    color: #4CACFF!important;
+}
+
+.course_publicNav{
+    display: flex;
+}
+.course_publicNav li{
+    position: relative;
+    margin-right: 30px;
+    cursor: pointer;
+}
+.course_publicNav li.active{
+    color: #4CACFF
+}
+.course_publicNav li.active::after{
+    position: absolute;
+    width: 100%;
+    height: 2px;
+    content: '';
+    left: 0px;
+    bottom: -33px;
+    background: #4CACFF;
 }
\ No newline at end of file
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index aff19d041..af83d0a49 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -741,12 +741,22 @@ class studentsList extends Component{
         <Titlesearchsection
           title={isParent ? (pageType == TYPE_STUDENTS ? "全部学生" : "学生列表"):
             <React.Fragment>
-              <span>
-                <Tooltip title="返回至分班列表">
-                  <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${courseId}/course_groups`)}}
-                    style={{color: '#212121', verticalAlign: 'initial', marginRight: '14px' }}
-                  ></i>
-                </Tooltip>{course_group_name || '未分班'}</span>
+              {
+                course_group_name ? 
+                <span>
+                  <Tooltip title="返回至分班列表">
+                    <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${courseId}/course_groups`)}}
+                      style={{color: '#212121', verticalAlign: 'initial', marginRight: '14px' }}
+                    ></i>
+                  </Tooltip>{course_group_name}
+                </span>
+                :
+                <ul className="course_publicNav">
+                  <li onClick={() => { this.props.history.push(`/courses/${courseId}/course_groups`)}}>分班列表</li>
+                  <li className="active">未分班</li>
+                </ul>
+              }
+              
               {isAdmin && invite_code && <React.Fragment>
                 <span className="color-grey-9 font-16 ml10">邀请码：</span>
                 <span className="color-orange font-16">