diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 2804b6d9c..0b3e35519 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -682,14 +682,14 @@ class CoursesController < ApplicationController
         tip_exception("切换失败") if course_member.STUDENT?
 
         course_student = CourseMember.find_by(user_id: current_user.id, role: %i[STUDENT], course_id: @course.id)
+        course_member.update_attributes!(is_active: 0)
         if course_student
           course_student.update_attributes!(is_active: 1)
         else
           # 学生身份不存在则创建
-          CourseMember.create!(user_id: current_user.id, role: %i[STUDENT], course_id: @course.id)
+          CourseMember.create!(user_id: current_user.id, role: 4, course_id: @course.id)
           CourseAddStudentCreateWorksJob.perform_later(@course.id, [current_user.id])
         end
-        course_member.update_attributes!(is_active: 0)
         normal_status(0, "切换成功")
       rescue => e
         uid_logger_error("switch_to_student error: #{e.message}")
@@ -1133,7 +1133,7 @@ class CoursesController < ApplicationController
 
   def top_banner
     @user = current_user
-    @switch_student = Course::BUSINESS < @user_course_identity < Course::STUDENT
+    @switch_student = Course::BUSINESS < @user_course_identity && @user_course_identity < Course::STUDENT
     @is_student = @user_course_identity == Course::STUDENT
     @course.increment!(:visits)
   end
diff --git a/public/react/src/modules/courses/Resource/index.js b/public/react/src/modules/courses/Resource/index.js
index 3423d87f0..d61dec15b 100644
--- a/public/react/src/modules/courses/Resource/index.js
+++ b/public/react/src/modules/courses/Resource/index.js
@@ -745,6 +745,7 @@ class Fileslists extends Component{
           {/*选择资源*/}
           {shixunmodal&&shixunmodal===true?<Selectresource
               {...this.props}
+							{...this.state}
               visible={this.state.shixunmodal}
               shixunmodallist={this.state.shixunmodallist}
               newshixunmodallist={this.state.newshixunmodallist}
@@ -760,6 +761,7 @@ class Fileslists extends Component{
           {/*上传资源*/}
           {Accessoryvisible&&Accessoryvisible===true?<Sendresource
               {...this.props}
+							{...this.state}
               modalname={"上传资源"}
               visible={Accessoryvisible}
               Cancelname={"取消"}
@@ -773,6 +775,7 @@ class Fileslists extends Component{
  					{/*设置资源*/}
           {Settingtype&&Settingtype===true?<Selectsetting
               {...this.props}
+							{...this.state}
               Settingtype={Settingtype}
               discussMessageid={discussMessageid}
               course_id={this.props.match.params.coursesId}
diff --git a/public/react/src/modules/courses/coursesPublic/SelectSetting.js b/public/react/src/modules/courses/coursesPublic/SelectSetting.js
index 573be7fb4..72a10e639 100644
--- a/public/react/src/modules/courses/coursesPublic/SelectSetting.js
+++ b/public/react/src/modules/courses/coursesPublic/SelectSetting.js
@@ -38,7 +38,8 @@ class Selectsetting extends Component{
 			datatime:undefined,
 			fileList:[],
 			fileListtype:false,
-			is_public:false
+			is_public:false,
+			Radiovaluetype:false
 		}
 	}
 
@@ -153,6 +154,19 @@ class Selectsetting extends Component{
 			newfileList.push(list.response.id)
 		}
 
+		if(this.state.Radiovalue===1){
+			if(datatime===undefined||datatime===null||datatime=== ""){
+				this.setState({
+					Radiovaluetype:true
+				})
+				return
+			}else{
+				this.setState({
+					Radiovaluetype:false
+				})
+			}
+		}
+
 		if(description===undefined||description===null){
 
 		}else if(description.length>100){
@@ -241,10 +255,18 @@ class Selectsetting extends Component{
 				fileList:[]
 			})
 		}
-
-
 	}
 
+	onChangepublic=(e)=>{
+		this.setState({
+			is_public:e.target.checked
+		})
+	}
+	RadioonChange=(e)=>{
+		this.setState({
+			Radiovalue: e.target.value,
+		});
+	}
 	render(){
 		let {datatime,description,datalist}=this.state;
 
@@ -479,16 +501,6 @@ class Selectsetting extends Component{
                   margin-top:10px;
                 }
               `}</style>
-
-								{this.props.course_is_public===true?<div>
-									<span className={"color-ooo"}>公开：</span><Checkbox  checked={this.state.is_public} onChange={this.onChangepublic}>
-									<span className={"font-14 color-ooo"}>选中，所有用户可见，否则课堂成员可见</span>
-								</Checkbox>
-								</div>:""}
-
-
-
-
 								<style>
 									{`
 								    .Selectleft20{
@@ -502,7 +514,11 @@ class Selectsetting extends Component{
                     }
 								  `}
 								</style>
-
+								{this.props.course_is_public===true?<div>
+									<span className={"color-ooo"}>公开：</span><Checkbox  checked={this.state.is_public} onChange={this.onChangepublic}>
+									<span className={"font-14 color-ooo"}>选中，所有用户可见，否则课堂成员可见</span>
+								</Checkbox>
+								</div>:""}
 							</p>
 							<style>
 								{`
@@ -548,6 +564,7 @@ class Selectsetting extends Component{
 								padding: '10px'
 							}}></textarea>
 							{this.state.descriptiontypes===true?<p className={"color-red"}>描述不能超过最大限制：100个字符</p>:""}
+							{this.state.Radiovaluetype===true?<p className={"color-red"}>发布时间不能为空</p>:""}
 						</div>
 
 						<div className="mt20 marginauto clearfix edu-txt-center">