diff --git a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
index 74ed4e3b1..e8442ee48 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
@@ -61,7 +61,7 @@ class Coursesleftnav extends Component{
   }
 
   // updataleftNav=()=>{
-  //   debugger
+  //   
   //   let id=this.props.match.params.coursesId;
   //   let url ="/courses/"+id+"/left_banner.json"
   //   axios.get(url).then((response) => {
@@ -269,14 +269,14 @@ class Coursesleftnav extends Component{
   }
 
   selectnavid=(e,key,id,type,urls,index)=>{
-debugger
+
     let {url}=this.state;
     if(urls!=url){
-			debugger
+			
       this.props.history.replace(urls);
       this.props.updataleftNavfun();
     }else{
-			debugger
+			
       if (key === this.props.indexs) {
         this.props.unlocationNavfun(undefined)
       } else {
@@ -681,7 +681,7 @@ debugger
   }
 
   showsandians=(e,key,urls,num)=> {
-  	debugger
+  	
     let {url}=this.state;
     if (key === this.props.indexs) {
       this.props.unlocationNavfun(undefined)