diff --git a/public/react/src/modules/courses/Resource/Fileslistitem.js b/public/react/src/modules/courses/Resource/Fileslistitem.js
index c0a55ee80..3e1e21810 100644
--- a/public/react/src/modules/courses/Resource/Fileslistitem.js
+++ b/public/react/src/modules/courses/Resource/Fileslistitem.js
@@ -35,27 +35,27 @@ class Fileslistitem extends Component{
             params:{
                 course_id:coursesId
             },
-        }).then((result)=>{
+        }).then((response)=>{
 
             if(result.data.attachment_histories.length===0){
-							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{
+							response.blob().then(blob => {
+								const aLink = document.createElement('a');
+								document.body.appendChild(aLink);
+								aLink.style.display='none';
+								const objectUrl = window.URL.createObjectURL(blob.data.url);
+								aLink.href = objectUrl;
+								aLink.download =blob.data.title;
+								aLink.click();
+								document.body.removeChild(aLink);
+							});
+
+						}else{
                 this.setState({
                     Showoldfiles:true,
                     allfiles:result.data
                 })
             }
-            // console.log(result)
+
         }).catch((error)=>{
             console.log(error)
         })