diff --git a/public/react/src/modules/courses/Resource/index.js b/public/react/src/modules/courses/Resource/index.js
index d5d777f3b..9eb14b886 100644
--- a/public/react/src/modules/courses/Resource/index.js
+++ b/public/react/src/modules/courses/Resource/index.js
@@ -1,5 +1,5 @@
 import React,{ Component } from "react";
-import { Input, Checkbox, Table, Tooltip, Pagination,Spin } from "antd";
+import { Input, Checkbox, Table, Tooltip, Pagination,Spin, Divider } from "antd";
 import { WordsBtn,on, off, trigger ,getUrl} from 'educoder';
 import axios from 'axios';
 import Modals from '../../modals/Modals';
@@ -17,6 +17,7 @@ import _ from 'lodash'
 import './style.css';
 import '../css/members.css';
 import moment from 'moment';
+import { tuple } from "antd/lib/_util/type";
 class Fileslists extends Component{
   constructor(props){
     super(props);
@@ -45,7 +46,9 @@ class Fileslists extends Component{
       isSpin:false,
 			course_second_categories:[],
 			title: "",
-			link: ""
+      link: "",
+      //是否展开
+      istowshowid:'',
     }
   }
 
@@ -458,9 +461,11 @@ class Fileslists extends Component{
 			checkBoxValues:[]
 		})
 		if(parseInt(this.props.match.params.main_id)!=parseInt(this.props.coursesids)){
-			trigger('attachmentAddlog', parseInt(		course_modules&&course_modules.course_modules[0].id))
+      console.log(1)
+			trigger('attachmentAddlog', {id: parseInt(		course_modules&&course_modules.course_modules[0].id),name:'目录'})
 		}else{
-			trigger('attachmentAddlog', parseInt(filesId))
+      console.log(2)
+			trigger('attachmentAddlog', {id:parseInt(filesId),name:'资源'})
 		}
 
   }
@@ -658,6 +663,13 @@ class Fileslists extends Component{
 		})
 	}
 
+  //判断二级链接是否显示
+  istowshow(item){
+      this.setState({
+        istowshowid:item.id
+      })
+  }
+
   moveTos=(id)=>{
 
     let {checkBoxValues} = this.state;
@@ -773,7 +785,9 @@ class Fileslists extends Component{
 		this.setState({
 			course_groupslist:id
 		})
-	}
+  }
+  
+
   render(){
     let { searchValue,
       checkBoxValues,
@@ -808,7 +822,6 @@ class Fileslists extends Component{
     } = this.state;
     let category_id= this.props.match.params.category_id;
 
-
 		// console.log(this.state.course_groups)
     return(
         <React.Fragment >
@@ -998,10 +1011,14 @@ class Fileslists extends Component{
 									 .courseSecond{
 								    margin-left: 10px;
     								padding: 10px;
-									 }
+                   }
+                   .bordboom{
+                      border-bottom: 1 solid red;               
+                   }
                   `}
                     </style>
-                    <ul className="drop_down_menu" style={{"right":"0px","left":"unset","min-width":'150px'}}>
+                    <ul className="drop_down_menu" style={{"right":"0px","left":"unset","min-width":'180px'}}>
+                      {/* <p style={{marginLeft:15,color:"#000000",fontSize:20}}>资源</p>  */}
 											{this.state.course_second_categories.length>10? <p className="drop_down_search">
                         <Input placeholder="搜索" value={this.state.dirSearchValue} onChange={(e) => {this.setState({dirSearchValue: e.target.value})}}/>
                       </p>:""}
@@ -1018,7 +1035,21 @@ class Fileslists extends Component{
                           return (!this.state.dirSearchValue || item.name.indexOf(this.state.dirSearchValue) != -1)
                         }).map((itm,k)=>{
                           return(
-														filesId&&filesId===itm.id?"":<li key={k} id={itm.id} onClick={() => this.moveTos(itm.id )} title={itm.name}>{itm.name}</li>
+                            filesId&&filesId===itm.id?"":
+                            <div>
+                              <div className="bordboom" style={{display:'flex',marginTop:15,height:30}}>
+                                <div onClick={() => this.moveTos(itm.id )} style={{marginLeft:15,color:'#000000'}}>{itm.name}</div>
+                                <i  style={{marginLeft:15}} onClick={() => this.istowshow(itm,filesId)} className="iconfont icon-xiajiantou font-12 ml2"></i>
+                                </div>
+                                    { this.state.istowshowid===itm.id?
+                                    itm.course_third_categories.map((tt,ti) => {
+                                      return(
+                                        filesId&&filesId===itm.id?"":
+                                            <div style={{marginLeft:30}} key={ti} id={tt.id} onClick={() => this.moveTos(tt.id )} title={tt.name}>{tt.name}</div> 
+                                      )
+                                    })
+                                    :''}
+                              </div>
                           )
                         })
                       })}
@@ -1035,7 +1066,7 @@ class Fileslists extends Component{
                         {/*)*/}
                       {/*})}*/}
                       {this.props.isAdmin()?parseInt(this.props.match.params.main_id)===filesId&&filesId?
-                        <p className="drop_down_btn">
+                        <p  style={{marginLeft:15}}>
                           <a className="color-grey-6" onClick={()=>this.addDir()}>新建目录</a>
                         </p>
                         :"":""}
diff --git a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
index eaefd50e9..363f21e0d 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
@@ -1,7 +1,7 @@
 import React,{ Component } from "react";
 import { Link } from "react-router-dom";
 import axios from 'axios';
-import {Checkbox,Modal,Input,Tooltip,notification,Popover} from 'antd';
+import {Checkbox,Modal,Input,Tooltip,notification,Popover,Dropdown,Menu} from 'antd';
 import { DragDropContext,Draggable, Droppable} from 'react-beautiful-dnd';
 import Modals from '../../modals/Modals';
 import { on, off, trigger } from 'educoder';
@@ -11,7 +11,7 @@ const CheckboxGroup = Checkbox.Group;
 
 
 let navidtype=true;
-
+const { SubMenu } = Menu;
 
 //a little function to help us with reordering the result
 const reorder =  (list, startIndex, endIndex) => {
@@ -62,9 +62,13 @@ class Coursesleftnav extends Component{
 			antIcon:false,
       chapterupdate:false,
 
-      successFunc:undefined
+      successFunc:undefined,
+
+      //用来判断 是不是资源点击进入的 
+      Navmodalziyname:''
     }
   }
+  
 
   // updataleftNav=()=>{
   //
@@ -181,8 +185,9 @@ class Coursesleftnav extends Component{
   groupRenameListener = (e, data) => {
     this.Navmodalnames(e,5,"editSecondname", data.id, data.name);
   }
-  attachmentAddlog=(e,data)=>{
-    this.Navmodalnames(e,1,"attachment",data);
+  attachmentAddlog=(e,data,name)=>{
+    console.log(data.id,data.name)
+    this.Navmodalnames(e,1,"attachment",data.id,data.name);
   }
   flieseditDir=(e, data)=>{
     this.Navmodalnames(e,4,"editSecondname",data.id,data.name);
@@ -208,7 +213,6 @@ class Coursesleftnav extends Component{
     on('editcommon_homeworks',this.editcommon_homeworks)
 
     let courstype=this.props.match.url;
-
     courstype = courstype.split('/');
 
     courstype=courstype[3];
@@ -464,6 +468,8 @@ class Coursesleftnav extends Component{
     })
   }
 
+  
+
   edithidden=(e,id)=>{
     e.stopPropagation();//阻止冒泡
 		let {course_modules}=this.props;
@@ -490,6 +496,7 @@ class Coursesleftnav extends Component{
 
   Navmodalnames=(e,id,type,setnavid,name)=>{
     e.stopPropagation();//阻止冒泡
+    console.log(id)
       navidtype=false
       if(id===1||id===2||id===6){
         this.setState({
@@ -498,6 +505,7 @@ class Coursesleftnav extends Component{
           Navplaceholder:"请输入名称，最大限制60个字符",
           Navmodalnametype:true,
           Navmodaltypename:id,
+          Navmodalziyname:name,
           setnavid:setnavid,
           NavmodalValue:""
         })
@@ -510,6 +518,7 @@ class Coursesleftnav extends Component{
           Navmodalnametype:true,
           Navmodaltypename:id,
           setnavid:setnavid,
+          Navmodalziyname:name,
           NavmodalValue:name
         })
 
@@ -548,7 +557,9 @@ class Coursesleftnav extends Component{
   saveNavmodapost=(url,value,positiontype,coursesId,type)=>{
    console.log(positiontype)
     axios.post(url,
-      {name:value}).then((result)=>{
+      {name:value,
+       parent_id:2342
+      }).then((result)=>{
       	if(result!=undefined){
 					if(result.data.status===0){
 
@@ -587,7 +598,6 @@ class Coursesleftnav extends Component{
             }
 
 						if(positiontype==="files"||positiontype==="file"){
-
                 if(type===true){
                   this.updasaveNavmoda()
                   trigger('files')
@@ -871,6 +881,7 @@ class Coursesleftnav extends Component{
   showsandians=(e,key,urls,num,id,type,index)=> {
     let {url}=this.state;
     if (key === this.props.indexs) {
+
       this.props.unlocationNavfun(undefined)
     } else {
 			this.props.updataleftNavfun();
@@ -899,7 +910,7 @@ class Coursesleftnav extends Component{
       {/*/!* 分组作业 *!/*/}
       {item.type==="group_homework"?<div onClick={e=>this.Navmodalnames(e,1,"group_homeworks",item.id)}>新建目录</div>:""}
       {/*资源*/}
-      {item.type==="attachment"?<div onClick={e=>this.Navmodalnames(e,1,"attachment",item.id)}>新建目录</div>:""}
+      {item.type==="attachment"?<div onClick={e=>this.Navmodalnames(e,1,"attachment",item.id,"资源")}>新建目录</div>:""}
       {/* 视频 */}
       {item.type==="video"?<div onClick={e=>this.Navmodalnames(e,1,"video",item.id)}>新建目录</div>:""}
       {/*毕业设计*/}
@@ -928,6 +939,7 @@ class Coursesleftnav extends Component{
     let {twosandiantypes,twosandiantypenum}=this.state;
     return (item.type==="graduation"?"": <div className={item.type===twosandiantypes&&twosandiantypenum===index?"sandianboxs":"sandianboxs"} >
           {/*作业/资源*/}
+          {item.type==="shixun_homework"||item.type==="attachment"||item.type==="common_homework"||item.type==="group_homework"?<div onClick={e=>this.deleteSecondary(e,1,iem.category_id)}>新建目录</div>:""}
           {item.type==="shixun_homework"||item.type==="attachment"||item.type==="graduation"||item.type==="common_homework"||item.type==="group_homework"?<div onClick={e=>this.Navmodalnames(e,4,"editSecondname",iem.category_id,iem.category_name)}>重命名</div>:""}
           {item.type==="shixun_homework"||item.type==="attachment"||item.type==="common_homework"||item.type==="group_homework"?<div onClick={e=>this.deleteSecondary(e,1,iem.category_id)}>删除</div>:""}
           {/*分班*/}
@@ -955,7 +967,11 @@ class Coursesleftnav extends Component{
       chapterupdate:false,
     })
   }
+  sunmenu=()=>{
+    alert(1231)
+  }
   render(){
+
      let {
        twosandiantype,
        Navmodalname,
@@ -1035,7 +1051,13 @@ class Coursesleftnav extends Component{
              destroyOnClose={true}
              centered={true}
            >
-             <div className="df">
+             <div>    
+               {this.state.Navmodalziyname==="资源"?<div className="df" style={{marginBottom:50}}> 
+             <div  className={"fl mt5"}>上级目录：</div>
+               
+                </div>:''}
+             
+             <div className="df" > 
                 <div className={"fl mt5"}>{this.state.Navtitles}：</div>
                 <Input placeholder={this.state.Navplaceholder}
                     className={"input-flex-35 greyInput fl"}
@@ -1043,6 +1065,7 @@ class Coursesleftnav extends Component{
                     value={NavmodalValue}
                     onInput={this.setNavmodalValue}
                 />
+                </div>  
              </div>
 						 <style>
 							 {
@@ -1053,6 +1076,7 @@ class Coursesleftnav extends Component{
 							 	`
 							 }
 						 </style>
+
              {this.state.NavmodalValuetype===true?<span className={"ml70 color-red"}>
                  {this.state.NavmodalValues}
              </span>:""}