diff --git a/public/react/src/common/UrlTool.js b/public/react/src/common/UrlTool.js
index fc2100694..aeb9a8d62 100644
--- a/public/react/src/common/UrlTool.js
+++ b/public/react/src/common/UrlTool.js
@@ -37,6 +37,14 @@ export function getUrl(path, goTest) {
 	}
 	return `${path ? path: ''}`;
 }
+export function getStaticUrl() {
+	const local = TEST_HOST;
+	if (isDev) {
+		return local
+	}
+	// todo cdn
+	return ''
+}
 export function getUrl2(path, goTest) {
   	const local = 'http://localhost:3000'
 	if (isDev) {
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index 5ec3acab5..76112692a 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -153,6 +153,10 @@ class studentsList extends Component{
         
         // getUrl() + "/api"+
         const fileUrl = url;
+
+        this.props.slowDownload(fileUrl)
+        return;
+
         downloadFile({
           url: fileUrl,
           successCallback: (url) => {
diff --git a/public/react/src/modules/tpm/TPMIndexHOC.js b/public/react/src/modules/tpm/TPMIndexHOC.js
index 6149687bc..820451525 100644
--- a/public/react/src/modules/tpm/TPMIndexHOC.js
+++ b/public/react/src/modules/tpm/TPMIndexHOC.js
@@ -5,9 +5,9 @@ import PropTypes from 'prop-types';
 import NewHeader from './NewHeader'
 import NewFooter from './NewFooter'
 import SiderBar from './SiderBar'
-import { getUrl } from 'educoder'
+import { getUrl, downloadFile } from 'educoder'
 import axios from 'axios';
-
+import { Spin } from 'antd'
 import './TPMIndex.css'
 import LoginDialog from '../login/LoginDialog';
 import AccountProfile from '../user/AccountProfile';
@@ -79,7 +79,9 @@ export function TPMIndexHOC(WrappedComponent) {
             coursedata: {},
 
             isRender: false,
-            AccountProfiletype: false
+            AccountProfiletype: false,
+
+            slowDownloading: false
 	      }
 	    }
 
@@ -364,6 +366,22 @@ export function TPMIndexHOC(WrappedComponent) {
 			DownloadOpenPdf=(type,url)=>{
 				type===true?window.open(url):window.location.href=url;
 			}
+      slowDownload = (url, tip) => {
+        this._slowDownloadTip = tip || '正在生成文件，请稍后...';
+        this.setState({ slowDownloading: true })
+        const fileUrl = url;
+        downloadFile({
+          url: fileUrl,
+          successCallback: (url) => {
+            this.setState({ slowDownloading: false })
+            console.log('successCallback')
+          },
+          failCallback: (responseHtml, url) => {
+            this.setState({ slowDownloading: false })
+            console.log('failCallback')
+          }
+        })
+      }
 	  	render() {
           let{Headertop,Footerdown, isRender, AccountProfiletype}=this.state;
           const common = {
@@ -387,7 +405,9 @@ export function TPMIndexHOC(WrappedComponent) {
             
 						ShowOnlinePdf:(url)=>this.ShowOnlinePdf(url),
 						DownloadFileA:(title,url)=>this.DownloadFileA(title,url),
-						DownloadOpenPdf:(type,url)=>this.DownloadOpenPdf(type,url)
+						DownloadOpenPdf:(type,url)=>this.DownloadOpenPdf(type,url),
+
+            slowDownload: this.slowDownload
           }
 		    return (
 		    	<div>
@@ -425,6 +445,10 @@ export function TPMIndexHOC(WrappedComponent) {
 							}
 							`
 						}</style>
+            <Spin spinning={this.state.slowDownloading} delay={0}
+              tip= {this._slowDownloadTip || "加载中..."}
+            >
+
 						<NewHeader {...this.state} {...this.props}></NewHeader>
 						<div className="newContainer newContainers">
 								<WrappedComponent initCommonState={(user)=>this.initCommonState(user)}
@@ -440,6 +464,7 @@ export function TPMIndexHOC(WrappedComponent) {
 						<NewFooter
 								Footerdown={Footerdown}
 						/>
+            </Spin>
 		        </div>
 		    );
 	  	}