diff --git a/public/react/src/modules/courses/coursesPublic/SelectSetting.js b/public/react/src/modules/courses/coursesPublic/SelectSetting.js
index ff5751cc6..5dab77ca6 100644
--- a/public/react/src/modules/courses/coursesPublic/SelectSetting.js
+++ b/public/react/src/modules/courses/coursesPublic/SelectSetting.js
@@ -45,6 +45,12 @@ class Selectsetting extends Component{
 
 
 	componentDidMount() {
+	  this.getalldata();
+	}
+
+
+
+	getalldata=()=>{
 		let {discussMessageid} =this.props;
 		let course_id=this.props.course_id;
 		let url="/files/"+discussMessageid+".json";
@@ -70,19 +76,10 @@ class Selectsetting extends Component{
 				console.log(error);
 			});
 
-
-	}
-
-
-
-	getalldata=()=>{
-
 	}
 	componentDidUpdate = (prevProps) => {
 
 		if ( prevProps.visible != this.props.visible ) {
-			console.log(prevProps)
-			console.log(this.props)
 			this.setState({
 				visible:this.props.visible
 			})
@@ -233,6 +230,38 @@ class Selectsetting extends Component{
 			Radiovalue: e.target.value,
 		});
 	}
+
+	delectfils=(id)=>{
+		this.setState({
+			Modalstype:true,
+			Modalstopval:"是否确定删除该历史资源？",
+			ModalSave:()=>this.delectcousedelectfils(id),
+			ModalCancel:this.hidecouseShixunModal,
+			loadtype:false
+		})
+	}
+
+	delectcousedelectfils=(id)=>{
+		let course_id=this.props.course_id;
+		const url = `/files/bulk_delete.json`;
+
+		console.log(id)
+		axios.delete(url, { data: {
+				 course_id: course_id,
+			   ids:[id]
+				}})
+			.then((response) => {
+				if (response.data.status == 0) {
+					// {"status":1,"message":"删除成功"}
+					this.props.showNotification(response.data.message);
+					this.getalldata
+					this.hidecouseShixunModal
+				}
+			})
+			.catch(function (error) {
+				console.log(error);
+			});
+	}
 	render(){
 		let {datatime,description,datalist}=this.state;
 
@@ -256,7 +285,7 @@ class Selectsetting extends Component{
 			lineHeight: '30px',
 		};
 
-		console.log(this.state.Radiovalue)
+
 		return(
 			<div>
 				<style>
@@ -329,7 +358,7 @@ class Selectsetting extends Component{
 									    height: 37px;
                    }
                   .isabox{
-							        max-width: 173px;
+							        max-width: 339px;
 									    overflow: hidden;
 									    text-overflow: ellipsis;
 									    white-space: nowrap;
@@ -343,7 +372,7 @@ class Selectsetting extends Component{
                 `}</style>
 						<div className="pl20 pr20 settingbox">
 							<div className="clearfix edu-txt-center lineh-40 bor-bottom-greyE">
-								<li className="fl" style={{width: '350px'}}>
+								<li className="fl" style={{width: '343px'}}>
 									<span className={"isabox"} title={datalist&&datalist.title}> {datalist&&datalist.title} </span>
 									{datalist&&datalist.attachment_histories.length===0?"":<span className={"newcolor-orange fl"}>当前版本</span>}
 								</li>
@@ -358,7 +387,7 @@ class Selectsetting extends Component{
 							{datalist&&datalist.attachment_histories.map((item,key)=>{
 								return(
 									<div className="clearfix edu-txt-center lineh-40 bor-bottom-greyE" key={key}>
-										<li className="fl" style={{width: '350px'}}>
+										<li className="fl" style={{width: '343px'}}>
 											<span className={"isabox"} title={item.title}> {item.title} </span>
 											{/*<span className={"newcolor-orange fl"}>当前版本</span>*/}
 										</li>
@@ -368,6 +397,7 @@ class Selectsetting extends Component{
 										<li className="fl paddingl10 datastyle">
 											{moment(item.created_on).format('YYYY-MM-DD HH:mm')==="Invalid date"?"":moment(item.created_on).format('YYYY-MM-DD HH:mm')}
 										</li>
+										<a className="fr" onClick={()=>this.delectfils(item.id)}><i className="iconfont icon-shanchu color-grey-c font-14 font-n"></i></a>
 									</div>
 								)
 							})}
diff --git a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
index 85ea6c902..13f384b79 100644
--- a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
+++ b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
@@ -60,12 +60,9 @@ class Exercisestatisticalresult extends Component {
 				limit:limit
 			}
 		}).then((result) => {
-			// console.log(result)
-
 				this.setState({
 					data:result.data
 				})
-
 		}).catch((error) => {
 			console.log(error)
 		})
@@ -172,17 +169,29 @@ class Exercisestatisticalresult extends Component {
 						  .mr33{
     						margin-right: 33px;
 						  }
+						 .fiilssort{
+								 position: absolute;
+								 top: -9px;
+						  }
 						`}
 					</style>
 
 					<div className="stud-class-set fafafa">
-						<li className="drop_down fr mt10 mr33">
-							{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">
-								{sort==='percent'?"":<li onClick={() => this.onSortTypeChange('percent')}>正确率</li>}
-								{sort==='type'?"":<li onClick={() => this.onSortTypeChange('type')}>题型</li>}
-								{sort==='position'?"":<li onClick={() => this.onSortTypeChange('position')}>题序</li>}
-							</ul>
+						<li className="drop_down fr mt10 mr33" onClick={() => this.onSortTypeChange('percent')}>
+							{/*{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">*/}
+								{/*{sort==='percent'?"":<li onClick={() => this.onSortTypeChange('percent')}>正确率</li>}*/}
+								{/*{sort==='type'?"":<li onClick={() => this.onSortTypeChange('type')}>题型</li>}*/}
+								{/*{sort==='position'?"":<li onClick={() => this.onSortTypeChange('position')}>题序</li>}*/}
+							{/*</ul>*/}
+							正确率
+							<sapn className="relativef ml5"style={{"top":"3px"}} >
+								<i className={sort==="asc"?
+									"iconfont icon-sanjiaoxing-up font-12  color-blue fiilssort" :"iconfont icon-sanjiaoxing-up font-12 fiilssort"}></i>
+								<i className={sort==="desc"?
+									"iconfont icon-sanjiaoxing-down font-12 yslbottomsj color-blue":"iconfont icon-sanjiaoxing-down font-12 yslbottomsj"}></i>
+							</sapn>
 						</li>
 					</div>