diff --git a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
index 46ca129c5..517fe7c66 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
@@ -528,20 +528,31 @@ class Coursesleftnav extends Component{
 
     axios.post(url,
       {name:value}).then((result)=>{
-      if(result.data.status===0){
-        // window.location.reload()
-        this.updasaveNavmoda()
-        //
-        notification.open({
-          message:"提示",
-          description:result.data.message
-        });
-        trigger('updateNavSuccess')
-				if(positiontype==="files"){
-					window.location.href=`/courses/${coursesId}/file/${result.data.category_id}`;
-					// this.props.history.push(`/courses/${coursesId}/file/${result.data.category_id}`)
+      	if(result!=undefined){
+					if(result.data.status===0){
+						// window.location.reload()
+						this.updasaveNavmoda()
+						//
+						notification.open({
+							message:"提示",
+							description:result.data.message
+						});
+						trigger('updateNavSuccess')
+
+						if(positiontype==="files"){
+							window.location.href=`/courses/${coursesId}/file/${result.data.category_id}`;
+						}
+
+					  if(positiontype==="boards"){
+							window.location.href=`/courses/${coursesId}/boards/${result.data.category_id}`;
+						}
+
+						if(positiontype==="course_groups"){
+							window.location.href=`/courses/${coursesId}/course_groups/${result.data.group_id}`;
+						}
+
+					}
 				}
-      }
     }).catch((error)=>{
       console.log(error)
     })
@@ -549,17 +560,19 @@ class Coursesleftnav extends Component{
   saveboardpost=(url,value)=>{
     axios.put(url,
       {name:value}).then((result)=>{
-      if(result.data.status===0){
-        // window.location.reload()
-        this.updasaveNavmoda()
-        trigger('updateNavSuccess')
-
-        //
-        notification.open({
-          message:"提示",
-          description:result.data.message
-        });
-      }
+			if(result!=undefined){
+				if(result.data.status===0){
+					// window.location.reload()
+					this.updasaveNavmoda()
+					trigger('updateNavSuccess')
+
+					//
+					notification.open({
+						message:"提示",
+						description:result.data.message
+					});
+				}
+			}
     }).catch((error)=>{
       console.log(error)
     })
@@ -599,7 +612,7 @@ class Coursesleftnav extends Component{
 
      let newid=this.props.match.params.coursesId;
      let url="/courses/"+newid+"/course_groups.json";
-     this.saveNavmodapost(url,NavmodalValue)
+     this.saveNavmodapost(url,NavmodalValue,this.state.positiontype,this.props.match.params.coursesId)
 
     }else if(Navmodaltypename===3){
 
@@ -620,7 +633,7 @@ class Coursesleftnav extends Component{
 
      let newid=this.props.match.params.coursesId;
      let url = "/courses/"+newid+"/boards.json";
-     this.saveNavmodapost(url,NavmodalValue)
+     this.saveNavmodapost(url,NavmodalValue,this.state.positiontype,this.props.match.params.coursesId)
 
     }else if(Navmodaltypename===7) {
 
@@ -708,13 +721,15 @@ class Coursesleftnav extends Component{
 
   droppablepost=(url,list)=>{
     axios.post(url,{position: list}).then((result)=>{
-      // this.updasaveNavmoda(result.data.message)
-      this.updasaveNavmoda()
-      //
-      notification.open({
-        message:"提示",
-        description:result.data.message
-      });
+			if(result!=undefined){
+				// this.updasaveNavmoda(result.data.message)
+				this.updasaveNavmoda()
+				//
+				notification.open({
+					message:"提示",
+					description:result.data.message
+				});
+			}
     }).catch((error)=>{
       console.log(error)
     })
diff --git a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
index 13f384b79..b87d34acf 100644
--- a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
+++ b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
@@ -19,7 +19,7 @@ class Exercisestatisticalresult extends Component {
 		super(props);
 		this.state = {
 			data:undefined,
-			sort:"percent",
+			sort:"asc",
 			exercise_group_id:[],
 			page:1,
 			limit:10,
@@ -69,12 +69,19 @@ class Exercisestatisticalresult extends Component {
 	}
 
 
-	onSortTypeChange=(value)=>{
-		let{exercise_group_id,page,limit}=this.state;
+	onSortTypeChange=()=>{
+		let{exercise_group_id,page,limit,sort}=this.state;
+		let newdesc="asc";
+		if(sort==="desc"){
+			newdesc="asc"
+		}else{
+			newdesc="desc"
+		}
 		 this.setState({
-			 sort:value
+			 sort:newdesc
 		 })
-		 this.updatefun(value,exercise_group_id,page,limit)
+
+		 this.updatefun(newdesc,exercise_group_id,page,limit)
 	}
 
 	funtaskstatustwo=(checkedValues,list)=>{
@@ -177,7 +184,7 @@ class Exercisestatisticalresult extends Component {
 					</style>
 
 					<div className="stud-class-set fafafa">
-						<li className="drop_down fr mt10 mr33" onClick={() => this.onSortTypeChange('percent')}>
+						<li className="drop_down fr mt10 mr33 cursor" onClick={() => this.onSortTypeChange()}>
 							{/*{sort==="percent"?"正确率":sort==="type"?"题型":sort==="position"?"题序":""}*/}
 							{/*<i className="iconfont icon-xiajiantou font-12 ml2"></i>*/}
 							{/*<ul className="drop_down_normal">*/}