diff --git a/public/react/src/modules/courses/shixunHomework/Listofworks.js b/public/react/src/modules/courses/shixunHomework/Listofworks.js
index de4679256..1a721f8b3 100644
--- a/public/react/src/modules/courses/shixunHomework/Listofworks.js
+++ b/public/react/src/modules/courses/shixunHomework/Listofworks.js
@@ -597,7 +597,7 @@ class Listofworks extends Component {
 	componentDidMount() {
 		console.log("Listofworks");
 		console.log("componentDidMount");
-		this.props.onRef(this);
+		this.props.triggerRef(this)
 		var homeworkid = this.props.match.params.homeworkid;
 		// console.log(homeworkid)
 		// this.Gettitleinformation(homeworkid);
diff --git a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
index 8192e6a17..6d2f5c9c9 100644
--- a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
+++ b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
@@ -317,6 +317,7 @@ class Listofworksstudentone extends Component {
 	componentDidMount() {
 		console.log("Listofworksstudentone");
 		console.log("componentDidMount");
+		this.props.triggerRef(this);
 		var homeworkid = this.props.match.params.homeworkid;
 		this.Getalistofworks(homeworkid);
 		let query = this.props.location.pathname;
diff --git a/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js b/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
index 242e99db1..baf1d6232 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
@@ -81,8 +81,8 @@ class ShixunHomeworkPage extends Component {
 	}
 
 
-	confirmysl(url) {
-		this.refs.DownloadMessage.confirmysl(url);
+	confirmysl(child,url) {
+		child.confirmysl(url);
 	}
 
 	onRef = (ref) => {
@@ -91,33 +91,40 @@ class ShixunHomeworkPage extends Component {
 		this.state.child= ref
 	}
 
-	homeworkendss(){
-		  // console.log(this.contentMdRef.current);
+	homeworkendss(child){
+		  // console.log(child);
 		  // // console.log(this.refs.childModel);
-		// console.log(this.state.child);
-
-			// .homeworkends();
+		// console.log(child);
+		child.homeworkends();
+			//
 	}
-	homeworkstarts(){
+	homeworkstarts(child){
 		// console.log(this.contentMdRef.current);
 		// console.log(this.state.child);
+		child.homeworkstart();
+
 
 		// .homeworkstart();
 	}
-	workshowmodels(){
+	workshowmodels(child){
 		// console.log(this.contentMdRef.current)
 		// console.log(this.state.child);
+		// console.log(this.child);
+		child.workshowmodel();
 
 
 		// .workshowmodel();
 	}
 
+	bindRef = ref => { this.child = ref }
 ///////////////教师截止
 
 	render() {
 		let {tab, teacherdata,  jobsettingsdata} = this.state;
 
 		const isAdmin = this.props.isAdmin();
+		// console.log("126");
+		// console.log(this.child);/
 		return (
 			<div className="newMain clearfix ">
 				<div className={"educontent mb20"} style={{width: "1200px"}}>
@@ -208,27 +215,27 @@ class ShixunHomeworkPage extends Component {
 										导出<i className="iconfont icon-xiajiantou font-12 ml2"></i>
 										<ul className="drop_down_menu" style={{"right": "-0px", "left": "unset", "height": "auto"}}>
 											<li><a
-												onClick={() => this.confirmysl(`/zip/shixun_report?homework_common_id=${this.props.match.params.homeworkid}&work_status=${this.state.course_groupyslstwo}&course_group=${this.state.checkedValuesineinfo}&search=${this.state.searchtext}`)}>实训报告</a>
+												onClick={(child) => this.confirmysl(this.child,`/zip/shixun_report?homework_common_id=${this.props.match.params.homeworkid}&work_status=${this.state.course_groupyslstwo}&course_group=${this.state.checkedValuesineinfo}&search=${this.state.searchtext}`)}>实训报告</a>
 											</li>
 											<li><a
-												onClick={() => this.confirmysl(`/homework_commons/${this.props.match.params.homeworkid}/works_list.xlsx?group_id=${this.state.checkedValuesineinfo}&search=${this.state.searchtext}`)}>学生成绩</a>
+												onClick={(child) => this.confirmysl(this.child,`/homework_commons/${this.props.match.params.homeworkid}/works_list.xlsx?group_id=${this.state.checkedValuesineinfo}&search=${this.state.searchtext}`)}>学生成绩</a>
 											</li>
 
 										</ul>
 									</li> : ""}
 								{this.props.isAdmin() ?
 									teacherdata && teacherdata.end_immediately === true ?
-										<a className="fr color-blue font-16" onClick={this.homeworkendss}>立即截止</a>
+										<a className="fr color-blue font-16" onClick={(child)=>this.homeworkendss(this.child)}>立即截止</a>
 										: ""
 									: ""}
 								{this.props.isAdmin() ?
 									teacherdata && teacherdata.publish_immediately === true ?
-										<a className="fr color-blue font-16" onClick={this.homeworkstarts}>立即发布</a>
+										<a className="fr color-blue font-16" onClick={(child)=>this.homeworkstarts(this.child)}>立即发布</a>
 										: ""
 									: ""}
 								{this.props.isAdmin() ?
 									teacherdata && teacherdata.code_review === true ?
-										<a className="fr color-blue font-16" onClick={this.workshowmodels}>代码查重</a>
+										<a className="fr color-blue font-16" onClick={(child)=>this.workshowmodels(this.child)}>代码查重</a>
 										: "" : ""}
 								{this.state.view_report === true ? <Link className="fr color-blue font-16" target={"_blank"}
 																												 to={`/courses/${this.props.match.params.coursesId}/${this.state.shixuntypes}/${this.props.match.params.homeworkid}/shixun_work_report`}>
@@ -252,21 +259,21 @@ class ShixunHomeworkPage extends Component {
 					{
 						// 教师列表
 						parseInt(tab) === 0 ? (isAdmin === true ?
-							<Listofworks {...this.props} {...this.state}   onRef={this.onRef}
+							<Listofworks triggerRef={this.bindRef} {...this.props} {...this.state}
 													 Getdataback={(jobsettingsdata, teacherdata) => this.Getdataback(jobsettingsdata, teacherdata)}></Listofworks>
 							:
-							<Listofworksstudentone   ref={this.contentMdRef}  {...this.props} {...this.state} onRef={(ref)=>{ this.child = ref}}
+							<Listofworksstudentone    triggerRef={this.bindRef}  {...this.props} {...this.state}
 																			Getdataback={(jobsettingsdata, teacherdata) => this.Getdataback(jobsettingsdata, teacherdata)}></Listofworksstudentone>)
 							:
 							parseInt(tab) === 1 ?
-								<Workquestionandanswer  ref={this.contentMdRef}  {...this.props} {...this.state} onRef={(ref)=>{ this.child = ref}}
+								<Workquestionandanswer   triggerRef={this.bindRef}  {...this.props} {...this.state}
 																			 Getdataback={(jobsettingsdata, teacherdata) => this.Getdataback(jobsettingsdata, teacherdata)}></Workquestionandanswer>
 								:
 								parseInt(tab) === 2 ?
-									<ShixunStudentWork  ref={this.contentMdRef}  {...this.props} {...this.state} onRef={(ref)=>{ this.child = ref}}
+									<ShixunStudentWork   triggerRef={this.bindRef} {...this.props} {...this.state}
 																		 Getdataback={(jobsettingsdata, teacherdata) => this.Getdataback(jobsettingsdata, teacherdata)}></ShixunStudentWork>
 									:
-									<Trainingjobsetting ref={this.contentMdRef}  {...this.props} {...this.state} onRef={(ref)=>{ this.child = ref}}
+									<Trainingjobsetting   triggerRef={this.bindRef}  {...this.props} {...this.state}
 																			Getdataback={(jobsettingsdata, teacherdata) => this.Getdataback(jobsettingsdata, teacherdata)}></Trainingjobsetting>
 					}
 				</div>
diff --git a/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js b/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
index 17e51258f..37ea4d1c3 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
@@ -76,6 +76,7 @@ class ShixunStudentWork extends Component {
 	componentDidMount() {
 		console.log("ShixunStudentWork");
 		console.log("componentDidMount");
+		this.props.triggerRef(this);
      this.getupdata();
      this.getTrainingjobsetting();
 	}
diff --git a/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js b/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
index ae1058d8a..411855491 100644
--- a/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
+++ b/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
@@ -128,6 +128,7 @@ class Trainingjobsetting extends Component {
     componentDidMount() {
         console.log("Trainingjobsetting");
         console.log("componentDidMount");
+        this.props.triggerRef(this);
         this.getTrainingjobsetting();
         let query = this.props.location.pathname;
         const type = query.split('/');
diff --git a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
index 52a214b7e..39a963023 100644
--- a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
+++ b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
@@ -84,6 +84,7 @@ class Workquestionandanswer extends Component {
 	componentDidMount() {
 		console.log("Workquestionandanswer");
 		console.log("componentDidMount");
+		this.props.triggerRef(this);
 		var homeworkid = this.props.match.params.homeworkid;
 		// console.log(homeworkid)
 		this.Gettitleinformation(homeworkid)