调整

public/react/src/modules/courses/Resource/Fileslistitem.js

@@ -56,7 +56,15 @@ class Fileslistitem extends Component{
             },
         }).then((result)=>{
             if(result.data.attachment_histories.length===0){
-							this.downloadfiles(result.data.url)
+							let link = document.createElement('a');
+							document.body.appendChild(link);
+							link.href = result.data.url;
+							link.download = result.data.title;
+							//兼容火狐浏览器
+							let evt = document.createEvent("MouseEvents");
+							evt.initEvent("click", false, false);
+							link.dispatchEvent(evt);
+							document.body.removeChild(link);
 						}else{
                 this.setState({
                     Showoldfiles:true,