调整

public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js

@@ -722,15 +722,19 @@ class Coursesleftnav extends Component{
     let {url}=this.state;
     if (key === this.props.indexs) {
       this.props.unlocationNavfun(undefined)
+			this.props.history.replace(urls);
     } else {
       this.props.unlocationNavfun(key)
+			this.props.history.replace(urls);
     }
     if(urls!=url){
       this.props.history.replace(urls);
     }
-    if(this.props.indexs===undefined){
-			this.props.history.replace(urls);
-		}
+    // if(this.props.indexs===undefined){
+		//
+		// }else{
+		//
+		// }
   }
 
   maincontent=(item,key)=>{