diff --git a/public/react/src/modules/courses/Resource/Fileslistitem.js b/public/react/src/modules/courses/Resource/Fileslistitem.js
index 239fd34a4..c0a55ee80 100644
--- a/public/react/src/modules/courses/Resource/Fileslistitem.js
+++ b/public/react/src/modules/courses/Resource/Fileslistitem.js
@@ -28,13 +28,8 @@ class Fileslistitem extends Component{
         this.props.Settingtypes(discussMessage.id)
     }
     showfiles=(value)=>{
-				let newvalue=Base64.encode(value)
         let {discussMessage,coursesId}=this.props
         let file_id=discussMessage.id
-				let link = document.createElement('a');
-				document.body.appendChild(link);
-		  	link.download = Base64.decode(newvalue);
-
         let url="/files/"+file_id+"/histories.json"
         axios.get(url,{
             params:{
@@ -43,24 +38,17 @@ class Fileslistitem extends Component{
         }).then((result)=>{
 
             if(result.data.attachment_histories.length===0){
-              // link.href = result.data.url;
-							// link.style.display = 'none';
-							// document.body.appendChild(link);
-							// link.click();
-              //兼容火狐浏览器
-              // let evt = document.createEvent("MouseEvents");
-              // evt.initEvent("click", false, false);
-              // link.dispatchEvent(evt);
-              // document.body.removeChild(link);
-              // // window.location.href=result.data.url;
-              // let url = window.URL.createObjectURL(new Blob([result.data.url]));
-              // let link = document.createElement('a');
-              // link.style.display = 'none';
-              // link.href = url;
-              // link.setAttribute('download',result.data.title);
-              // document.body.appendChild(link);
-              // link.click();
-							window.open=result.data.url;
+							let link = document.createElement('a');
+							// link.href =  window.URL.createObjectURL(new Blob([result.data.url]));
+							link.href = result.data.url;
+							link.download = result.data.title;
+							//兼容火狐浏览器
+							console.log(link)
+							document.body.appendChild(link);
+							let evt = document.createEvent("MouseEvents");
+							evt.initEvent("click", false, false);
+							link.dispatchEvent(evt);
+							document.body.removeChild(link);
             }else{
                 this.setState({
                     Showoldfiles:true,