diff --git a/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js b/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
index dd8c7691d..144f1b967 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
@@ -14,10 +14,9 @@ import Modals from '../../modals/Modals';
 import CoursesListType from '../coursesPublic/CoursesListType';
 import AccessoryModal from "../coursesPublic/AccessoryModal";
 import PublishRightnow from './PublishRightnow'
-import DownloadMessage from '../../modals/DownloadMessage';
-
 import '../css/Courses.css'
 import CBreadcrumb from '../common/CBreadcrumb'
+import DownloadMessageysl from "../../modals/DownloadMessageysl";
 
 //引入对应跳转的组件
 
@@ -63,7 +62,8 @@ class CommonWorkDetailIndex extends Component{
     this.publishModal = React.createRef();
     this.endModal = React.createRef();
     this.state = {
-
+      DownloadType:false,
+      DownloadMessageval:undefined,
     }
   }
   initWorkDetailCommonState = (data) => {
@@ -100,6 +100,45 @@ class CommonWorkDetailIndex extends Component{
   doWhenSuccess = () => {
     trigger('commonwork_fetch_all')
   }
+
+  /// 确认是否下载
+  confirmysl(url){
+    axios.get(url).then((response) => {
+      if(response.data.status&&response.data.status===-1){
+
+      }else if(response.data.status&&response.data.status===-2){
+        if(response.data.messages === "100"){
+          // 已超出文件导出的上限数量（100 ），建议：
+
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:100
+          })
+        }else {
+          //因附件资料超过500M
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:500
+          })
+        }
+      }else {
+        this.props.showNotification(`正在下载中`);
+        window.open("/api"+url, '_blank');
+      }
+    }).catch((error) => {
+      console.log(error)
+    });
+  }
+
+  Downloadcal=()=>{
+    this.setState({
+      DownloadType:false,
+      DownloadMessageval:undefined
+    })
+  }
+
+
+
   render() {
     let {course_name, homework_name, homework_status, noTab
         , view_answer, author_name, category, work_id
@@ -139,11 +178,16 @@ class CommonWorkDetailIndex extends Component{
                 isPublish={true} doWhenSuccess={this.doWhenSuccess} checkBeforePost={this.saveWorkSetting}
                 onToPublishClick={this.onToPublishClick}
           ></PublishRightnow>
+          <DownloadMessageysl
+            {...this.props}
+            value={this.state.DownloadMessageval}
+            modalCancel={this.Downloadcal}
+            modalsType={this.state.DownloadType}
+          />
           <PublishRightnow ref={this.endModal} showActionButton={false} {...this.props} checkBoxValues={[workId]} 
                 isPublish={false} doWhenSuccess={this.doWhenSuccess}></PublishRightnow> 
 
-					<DownloadMessage ref="DownloadMessage" {...this.props} />
-          
+
           <div className="newMain clearfix worklist1">
             <div className={"educontent mt20"}>
               <style>{`
@@ -241,10 +285,10 @@ class CommonWorkDetailIndex extends Component{
                         导出<i className="iconfont icon-xiajiantou font-12 ml2"></i>
                         <ul className="drop_down_menu" style={{"right":"-34px","left":"unset","height":"auto"}}>
                             <li><a href={"javascript:void(0)"} className="color-dark"
-                              	  onClick={() => this.refs.DownloadMessage.confirmysl(exportResultUrl, exportParams)}
+                              	  onClick={() => this.confirmysl(exportResultUrl, exportParams)}
                             >导出成绩</a></li>
                             <li><a href={"javascript:void(0)"} className="color-dark"
-                              	  onClick={() => this.refs.DownloadMessage.confirmysl(exportUrl, exportParams)}
+                              	  onClick={() => this.confirmysl(exportUrl, exportParams)}
                             >导出作品附件</a></li>
                         </ul>
                         </li>:""}
diff --git a/public/react/src/modules/courses/busyWork/common/TabRightComponents.js b/public/react/src/modules/courses/busyWork/common/TabRightComponents.js
index ff1e2dcdd..74dcef16c 100644
--- a/public/react/src/modules/courses/busyWork/common/TabRightComponents.js
+++ b/public/react/src/modules/courses/busyWork/common/TabRightComponents.js
@@ -5,6 +5,7 @@ import { WordsBtn, MarkdownToHtml } from 'educoder';
 import axios from 'axios';
 import PublishRightnow from '../PublishRightnow'
 import AccessoryModal from "../../coursesPublic/AccessoryModal";
+import DownloadMessageysl from "../../../modals/DownloadMessageysl";
 
 const { Option} = Select;
 const CheckboxGroup = Checkbox.Group;
@@ -23,7 +24,9 @@ class TabRightComponents extends Component{
     this.endModal = React.createRef();
     
     this.state={
-      accessoryVisible: false
+      accessoryVisible: false,
+      DownloadType:false,
+      DownloadMessageval:undefined,
     }
   }
 
@@ -39,6 +42,42 @@ class TabRightComponents extends Component{
       accessoryVisible:false
     })
   }
+  /// 确认是否下载
+  confirmysl(url){
+    axios.get(url).then((response) => {
+      if(response.data.status&&response.data.status===-1){
+
+      }else if(response.data.status&&response.data.status===-2){
+        if(response.data.messages === "100"){
+          // 已超出文件导出的上限数量（100 ），建议：
+
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:100
+          })
+        }else {
+          //因附件资料超过500M
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:500
+          })
+        }
+      }else {
+        this.props.showNotification(`正在下载中`);
+        window.open("/api"+url, '_blank');
+      }
+    }).catch((error) => {
+      console.log(error)
+    });
+  }
+
+  Downloadcal=()=>{
+    this.setState({
+      DownloadType:false,
+      DownloadMessageval:undefined
+    })
+  }
+
 
   addAccessory=()=>{
     this.setState({
@@ -83,7 +122,12 @@ class TabRightComponents extends Component{
                 <PublishRightnow ref={this.endModal} showActionButton={false} {...this.props} checkBoxValues={[workId]} 
                     isPublish={false} doWhenSuccess={this.props.doWhenSuccess}></PublishRightnow> 
             </div>
-            
+          <DownloadMessageysl
+            {...this.props}
+            value={this.state.DownloadMessageval}
+            modalCancel={this.Downloadcal}
+            modalsType={this.state.DownloadType}
+          />
             <style>{`
               .drop_down_menu li a {
                   padding: 0px;
@@ -105,8 +149,8 @@ class TabRightComponents extends Component{
             {this.props.isAdmin()? <li className="li_line drop_down fr color-blue font-16 mr8 mt20" style={{"padding":"0 20px"}}>
               导出<i className="iconfont icon-xiajiantou font-12 ml2"></i>
               <ul className="drop_down_menu" style={{"right":"-34px","left":"unset","height":"auto"}}>
-                <li><a href={exportResultUrl} className="color-dark">导出成绩</a></li>
-                <li><a href={exportUrl} className="color-dark">导出作品附件</a></li>
+                <li><a href={exportResultUrl} onClick={(url)=>this.confirmysl(exportResultUrl)} className="color-dark">导出成绩</a></li>
+                <li><a href={exportUrl} onClick={(url)=>this.confirmysl(exportUrl)}  className="color-dark">导出作品附件</a></li>
               </ul>
             </li>:""}
 
diff --git a/public/react/src/modules/courses/graduation/topics/index.js b/public/react/src/modules/courses/graduation/topics/index.js
index 6dab02f07..8f142930c 100644
--- a/public/react/src/modules/courses/graduation/topics/index.js
+++ b/public/react/src/modules/courses/graduation/topics/index.js
@@ -3,6 +3,7 @@ import {Checkbox, Menu, Pagination,Spin} from "antd";
 
 import CourseLayoutcomponent from '../../common/CourseLayoutComponent'
 import Titlesearchsection from '../../common/titleSearch/TitleSearchSection'
+import DownloadMessageysl from "../../../modals/DownloadMessageysl";
 
 import { WordsBtn } from 'educoder'
 import NoneData from '../../coursesPublic/NoneData'
@@ -43,7 +44,9 @@ class Boards extends Component{
       delTopval:"",
       delLoadType:false,
       delOrPublic:1,
-      isSpin:true
+      isSpin:true,
+      DownloadType:false,
+      DownloadMessageval:undefined,
     }
   }
   fetchAll = (searchValue,page,status) => {
@@ -317,7 +320,41 @@ onBoardsNew=()=>{
   let courseId=this.props.match.params.coursesId
   this.props.history.push(`/courses/${courseId}/graduation_topics/new`)
 }
+  /// 确认是否下载
+  confirmysl(url){
+    axios.get(url).then((response) => {
+      if(response.data.status&&response.data.status===-1){
 
+      }else if(response.data.status&&response.data.status===-2){
+        if(response.data.messages === "100"){
+          // 已超出文件导出的上限数量（100 ），建议：
+
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:100
+          })
+        }else {
+          //因附件资料超过500M
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:500
+          })
+        }
+      }else {
+        this.props.showNotification(`正在下载中`);
+        window.open("/api"+url, '_blank');
+      }
+    }).catch((error) => {
+      console.log(error)
+    });
+  }
+
+  Downloadcal=()=>{
+    this.setState({
+      DownloadType:false,
+      DownloadMessageval:undefined
+    })
+  }
   render(){
     let { 
       searchValue, 
@@ -343,6 +380,12 @@ onBoardsNew=()=>{
     return(
       <React.Fragment >
         <ChooseGraduateTopicModal ref="chooseGraduateTopicModal"></ChooseGraduateTopicModal>
+        <DownloadMessageysl
+          {...this.props}
+          value={this.state.DownloadMessageval}
+          modalCancel={this.Downloadcal}
+          modalsType={this.state.DownloadType}
+        />
           <Titlesearchsection
             title="毕设选题"
             searchValue={ searchValue }
@@ -352,7 +395,7 @@ onBoardsNew=()=>{
               (<React.Fragment>
                 {/* 参考普通作业 - 题库选用 */}
                 {/* <WordsBtn style="blue" className="mr30" onClick={()=>this.useFromBank()}>题库选用</WordsBtn> 正式版没有，先隐藏*/}
-                < a href={`/api/courses/${this.props.match.params.coursesId}/graduation_topics/export.xlsx`} className={"fl color-blue mr30 font-16"}>导出</a>
+                < a  className={"fl color-blue mr30 font-16"} onClick={(url)=>this.confirmysl(`/courses/${this.props.match.params.coursesId}/graduation_topics/export.xlsx`)}>导出</a>
                 <p className="fl"><UseBank {...this.props} {...this.state} object_type={"gtopic"} useBankSuccess={this.useBankSuccess}></UseBank></p>
                 <WordsBtn style="blue" className="font-16" onClick={()=>this.onBoardsNew()}>新建</WordsBtn>
               </React.Fragment>):""
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index acffd8ef4..cd1d8c30f 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -558,7 +558,7 @@ class studentsList extends Component{
               { isAdmin && isParent && <WordsBtn style="blue" className="mr30" onClick={()=>this.addDir()}>添加分班</WordsBtn> }
               { isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.deleteDir()}>删除分班</WordsBtn> }
               { isAdmin && !isParent && course_group_id != 0 && <WordsBtn style="blue" className="mr30" onClick={()=>this.renameDir()}>分班重命名</WordsBtn> }
-              { isAdmin && <WordsBtn style="blue" className=""  onClick={()=>this.confirmysl(exportUrl)} >导出成绩</WordsBtn> }
+              { isAdmin && <WordsBtn style="blue" className=""  onClick={(url)=>this.confirmysl(exportUrl)} >导出成绩</WordsBtn> }
               {/*  */}
             </React.Fragment>
           }
diff --git a/public/react/src/modules/courses/poll/PollDetailIndex.js b/public/react/src/modules/courses/poll/PollDetailIndex.js
index 9cbeef706..80061b520 100644
--- a/public/react/src/modules/courses/poll/PollDetailIndex.js
+++ b/public/react/src/modules/courses/poll/PollDetailIndex.js
@@ -9,7 +9,7 @@ import PollTabSecond from './PollDetailTabSecond'
 import PollTabThird from './PollDetailTabThird'
 import PollTabForth from './PollDetailTabForth'
 
-import DownloadMessage from '../../modals/DownloadMessage';
+import DownloadMessageysl from "../../modals/DownloadMessageysl";
 
 import ImmediatelyPublish from './pollPublicBtn/ImmediatelyPublish'
 import ImmediatelyEnd from './pollPublicBtn/ImmediatelyEnd'
@@ -27,7 +27,9 @@ class PollDetailIndex extends Component{
     this.state={
       tab:["0"],
       pollDetail:undefined,
-      user_permission:undefined
+      user_permission:undefined,
+      DownloadType:false,
+      DownloadMessageval:undefined,
     }
   }
 
@@ -71,10 +73,41 @@ class PollDetailIndex extends Component{
     })
   }
 
+  /// 确认是否下载
   confirmysl(url){
-    this.refs.DownloadMessage.confirmysl(url);
+    axios.get(url).then((response) => {
+      if(response.data.status&&response.data.status===-1){
+
+      }else if(response.data.status&&response.data.status===-2){
+        if(response.data.messages === "100"){
+          // 已超出文件导出的上限数量（100 ），建议：
+
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:100
+          })
+        }else {
+          //因附件资料超过500M
+          this.setState({
+            DownloadType:true,
+            DownloadMessageval:500
+          })
+        }
+      }else {
+        this.props.showNotification(`正在下载中`);
+        window.open("/api"+url, '_blank');
+      }
+    }).catch((error) => {
+      console.log(error)
+    });
   }
 
+  Downloadcal=()=>{
+    this.setState({
+      DownloadType:false,
+      DownloadMessageval:undefined
+    })
+  }
   render(){
     let {tab,pollDetail,user_permission}=this.state;
     
@@ -82,7 +115,12 @@ class PollDetailIndex extends Component{
     const isStudent = this.props.isStudent();
     return(
       <div className="newMain">
-        <DownloadMessage {...this.props} ref="DownloadMessage" />
+        <DownloadMessageysl
+          {...this.props}
+          value={this.state.DownloadMessageval}
+          modalCancel={this.Downloadcal}
+          modalsType={this.state.DownloadType}
+        />
         <div className="educontent mt10 mb50">
           <p className="clearfix mb20">
             <WordsBtn style="grey" className="fl" to={`/courses/${this.props.match.params.coursesId}/students`}>{this.props.coursedata.name}</WordsBtn>
@@ -159,7 +197,7 @@ class PollDetailIndex extends Component{
                     </li>
                     :""
                   } */}
-                  <a className="fl color-blue font-16" onClick={()=>this.confirmysl("/polls/"+this.props.match.params.pollId+"/commit_result.xlsx")} href="javascript:void(0);">导出统计</a>
+                  <a className="fl color-blue font-16" onClick={(url)=>this.confirmysl("/polls/"+this.props.match.params.pollId+"/commit_result.xlsx")} href="javascript:void(0);">导出统计</a>
                 </span>
               }
               {