diff --git a/app/services/admins/save_laboratory_setting_service.rb b/app/services/admins/save_laboratory_setting_service.rb
index 00e202cd9..f2a5c151e 100644
--- a/app/services/admins/save_laboratory_setting_service.rb
+++ b/app/services/admins/save_laboratory_setting_service.rb
@@ -30,7 +30,7 @@ class Admins::SaveLaboratorySettingService < ApplicationService
       hash = {}
       hash[:name] = strip nav[:name]
       hash[:link] = strip nav[:link]
-      hash[:hidden] = nav[:hidden].to_s == 0
+      hash[:hidden] = nav[:hidden].to_s != '0'
       hash
     end
   end
diff --git a/public/react/src/modules/courses/members/CourseGroupList.js b/public/react/src/modules/courses/members/CourseGroupList.js
index ec0b23fb3..664e0d95a 100644
--- a/public/react/src/modules/courses/members/CourseGroupList.js
+++ b/public/react/src/modules/courses/members/CourseGroupList.js
@@ -152,7 +152,7 @@ function CourseGroupList(props) {
                     </React.Fragment> }
                     { 
                         // pageType !== TYPE_STUDENTS && 
-                        !isCourseEnd && isAdmin && isParent && <WordsBtn style="blue" className="mr30" onClick={()=>addDir()}>新建分班</WordsBtn> }
+                        !isCourseEnd && isAdmin && <WordsBtn style="blue" className="mr30" onClick={()=>addDir()}>新建分班</WordsBtn> }
                     {/* { 
                         isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>deleteDir()}>删除分班</WordsBtn> } */}
               {/* { 
diff --git a/public/react/src/modules/courses/members/CourseGroupListTable.js b/public/react/src/modules/courses/members/CourseGroupListTable.js
index 4645cf838..1560183f5 100644
--- a/public/react/src/modules/courses/members/CourseGroupListTable.js
+++ b/public/react/src/modules/courses/members/CourseGroupListTable.js
@@ -28,7 +28,6 @@ function CourseGroupListTable(props) {
         }
         course_groups.forEach((record) => {
             const id = record.id
-            debugger;
             let _clipboard = new ClipboardJS(`.copyBtn_${id}`);
             _clipboard.on('success', (e) => {
                 props.showNotification('复制成功')
@@ -142,7 +141,7 @@ function CourseGroupListTable(props) {
         
         return columns 
     }
-    const addToDir = async (record) => {
+    const doAddToDir = async (record) => {
         const courseId = props.match.params.coursesId    
         const url = `/courses/${courseId}/join_course_group.json`
         const course_group_id = record.id
@@ -151,11 +150,27 @@ function CourseGroupListTable(props) {
             course_group_id
         })
         if (response && response.data.status == 0) {
-            props.showNotification('加入成功')
+            props.showNotification(`已加入分班：${record.name}`)
             props.updataleftNavfun()
             props.onOperationSuccess && props.onOperationSuccess()
         }
     }
+    const addToDir = (record) => {
+        props.confirm({
+        
+            content: `是否确认加入分班: ${record.name}?`,
+
+            okText: '确认',
+            cancelText: '取消',
+            
+            onOk: () => {
+                doAddToDir(record)
+            },
+            onCancel() {
+                console.log('Cancel');
+            },
+        });
+    }
     
     function onDelete(record) {
         props.confirm({
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index 9acc4c0bf..ab29dde45 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -130,7 +130,7 @@ const buildColumns = (that,isParent) => {
   }
   const isAdmin = that.props.isAdmin()
   if (isAdmin) {
-    columns.unshift({
+    !that.isStudentPage && columns.unshift({
       title: '',
       dataIndex: 'check',
       key: 'check',
@@ -547,7 +547,7 @@ class studentsList extends Component{
   addDir = () => {
     trigger('groupAdd', this.props.coursesids)
   }
-  addToDir = async () => {
+  doAddToDir = async () => {
     const courseId = this.props.match.params.coursesId    
     const url = `/courses/${courseId}/join_course_group.json`
     const course_group_id = this.props.match.params.course_group_id
@@ -556,11 +556,27 @@ class studentsList extends Component{
       course_group_id
     })
     if (response && response.data.status == 0) {
-      this.props.showNotification('加入成功')
+      this.props.showNotification(`已加入分班：${this.state.course_group_name}`)
       this.props.updataleftNavfun()
       this.fetchAll()
     }
   }
+  addToDir = (record) => {
+      this.props.confirm({
+      
+          content: `是否确认加入分班: ${this.state.course_group_name}?`,
+
+          okText: '确认',
+          cancelText: '取消',
+          
+          onOk: () => {
+              this.doAddToDir()
+          },
+          onCancel() {
+              console.log('Cancel');
+          },
+      });
+  }
   renameDir = () => {
     const course_group_id = this.props.match.params.course_group_id
     trigger('groupRename', { id: parseInt(course_group_id), name: this.state.course_group_name})
@@ -670,7 +686,8 @@ class studentsList extends Component{
     } else {
       pageType = TYPE_COURSE_GOURP_CHILD
     }
-
+    const isStudentPage = pageType == TYPE_STUDENTS
+    this.isStudentPage = isStudentPage
 
     return(
       <React.Fragment >
@@ -708,23 +725,24 @@ class studentsList extends Component{
           searchPlaceholder={ '请输入姓名、学号进行搜索' }
           firstRowRight={
             <React.Fragment> 
-              { 
+              {/* { 
                 // pageType !== TYPE_STUDENTS && 
-                isSuperAdmin && <React.Fragment>
+                !isStudentPage && isSuperAdmin && <React.Fragment>
                   <CreateGroupByImportModal ref="createGroupByImportModal" {...this.props}
                     createGroupImportSuccess={this.createGroupImportSuccess}
                   ></CreateGroupByImportModal>
                   <WordsBtn style="blue" className="mr30" onClick={()=> this.refs['createGroupByImportModal'].setVisible(true)}>导入创建分班</WordsBtn>
-                </React.Fragment> }
+                </React.Fragment> } */}
+              
               { 
-                // pageType !== TYPE_STUDENTS && 
-                  !isCourseEnd && isAdmin && isParent && <WordsBtn style="blue" className="mr30" onClick={()=>this.addDir()}>添加分班</WordsBtn> }
+                  !isStudentPage && isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.deleteDir()}>删除分班</WordsBtn> }
               { 
-                  isStudent && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.addToDir()}>加入分班</WordsBtn> }
+                  !isStudentPage && isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.renameDir()}>分班重命名</WordsBtn> }
               { 
-                  isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.deleteDir()}>删除分班</WordsBtn> }
+                  !isStudentPage && !isCourseEnd && isAdmin  && <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.renameDir()}>分班重命名</WordsBtn> }
+                  !isStudentPage && isStudent && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.addToDir()}>加入分班</WordsBtn> }
               <style>{`
                 .drop_down_menu li a {
                     padding: 0px;
@@ -780,10 +798,10 @@ class studentsList extends Component{
           total_count > 0 || this.state.isSpin == true ?
           <div className="mt20 edu-back-white padding20">
             <div className="clearfix stu_head" style={{paddingLeft: '15px'}}>
-              {isAdmin && <Checkbox className="fl" onChange={this.onCheckAll} checked={checkAllValue} >已选 {checkBoxValues.length} 个</Checkbox>}
+              {isAdmin && !isStudentPage && <Checkbox className="fl" onChange={this.onCheckAll} checked={checkAllValue} >已选 {checkBoxValues.length} 个</Checkbox>}
               <div className="studentList_operation_ul">
                 {/* {isAdmin && <li className="li_line"><a href="javascript:void(0)" className="color-grey-9" onClick={this.onDelete}>删除</a></li>} */}
-                {isAdmin && <li className="drop_down">
+                {isAdmin && !isStudentPage && <li className="drop_down">
                   移动到...<i className="iconfont icon-xiajiantou font-12 ml2"></i>
                   <ul className="drop_down_menu" style={{"right":"0px","left":"unset", width: '200px', maxHeight: '324px', overflowY: 'auto'}}>
                     {