diff --git a/public/react/src/AppConfig.js b/public/react/src/AppConfig.js
index 5721c88a9..8cca8205f 100644
--- a/public/react/src/AppConfig.js
+++ b/public/react/src/AppConfig.js
@@ -18,10 +18,9 @@ function locationurl(list){
 }
 
 // TODO 开发期多个身份切换
-const debugType =""
-// 	window.location.search.indexOf('debug=t') != -1 ? 'teacher' :
-//         window.location.search.indexOf('debug=s') != -1 ? 'student' : 'admin'
-// window._debugType = debugType;
+const debugType =window.location.search.indexOf('debug=t') != -1 ? 'teacher' :
+        window.location.search.indexOf('debug=s') != -1 ? 'mfp2guqj3' : 'admin'
+window._debugType = debugType;
 export function initAxiosInterceptors(props) {
 
     // TODO 避免重复的请求 https://github.com/axios/axios#cancellation
diff --git a/public/react/src/modules/courses/coursesPublic/Addcourses.js b/public/react/src/modules/courses/coursesPublic/Addcourses.js
index 914a82c6d..b7d46eac6 100644
--- a/public/react/src/modules/courses/coursesPublic/Addcourses.js
+++ b/public/react/src/modules/courses/coursesPublic/Addcourses.js
@@ -117,7 +117,7 @@ class Addcourses extends Component{
 
 
   hidetojoinclass=()=>{
-
+		let {Addcoursestype}=this.props;
     // console.log(this.props)
     this.setState({
       invite_code:undefined,
@@ -132,11 +132,16 @@ class Addcourses extends Component{
       student:null,
 			Addcoursestypes:false
     })
-		this.props.hideAddcoursestype();
+
+		if(Addcoursestype===true){
+			this.props.hideAddcoursestype();
+		}
+
   }
 
   submitasyn=(course_id)=>{
-  	let{professor}=this.state;
+  	let{professor,Addcoursestype}=this.state;
+
   	if(professor===1){
 			this.setState({
 				loadtype:true,
@@ -145,13 +150,17 @@ class Addcourses extends Component{
 				modalSave:(course_id)=>this.submitasyns(course_id),
 				Addcoursestype:false
 			})
-			this.props.hideAddcoursestype();
+			if(Addcoursestype===true){
+				this.props.hideAddcoursestype();
+			}
 		}else{
 			// let{course_id}=this.state;
 			this.setState({
 				Addcoursestype:false
 			})
-			this.props.hideAddcoursestype();
+			if(Addcoursestype===true){
+				this.props.hideAddcoursestype();
+			}
 			window.location.href ="/courses/"+course_id+"/students";
 		}
 
@@ -161,6 +170,7 @@ class Addcourses extends Component{
 	}
 
   submittojoinclass=()=>{
+  	let{Addcoursestype}=this.state;
   	this.setState({
 			isSpin:true
 		})
@@ -207,7 +217,9 @@ class Addcourses extends Component{
 					message:"提示",
 					description:response.data.message
 				});
-				this.props.hideAddcoursestype();
+				if(Addcoursestype===true){
+					this.props.hideAddcoursestype();
+				}
 
 				// this.props.showNotification(response.data.message);
 
@@ -220,7 +232,9 @@ class Addcourses extends Component{
 				this.setState({
 					Addcoursestype:false
 				})
-        this.props.hideAddcoursestype();
+				if(Addcoursestype===true){
+					this.props.hideAddcoursestype();
+				}
 
 
         // this.setState({
@@ -318,7 +332,7 @@ class Addcourses extends Component{
             keyboard={false}
             className={"HomeworkModal"}
             title="加入课堂"
-            visible={Addcoursestype===undefined?Addcoursestypes:Addcoursestype}
+            visible={Addcoursestype===undefined||Addcoursestype===false?Addcoursestypes:Addcoursestype}
             closable={false}
             footer={null}
             destroyOnClose={true}