diff --git a/public/react/src/modules/courses/Resource/index.js b/public/react/src/modules/courses/Resource/index.js
index 23bed4b5f..003dec9fe 100644
--- a/public/react/src/modules/courses/Resource/index.js
+++ b/public/react/src/modules/courses/Resource/index.js
@@ -164,7 +164,7 @@ class Fileslists extends Component{
 							let list = response.data.course_modules;
 							let course_second_categoriess;
 							list.map((item, key) => {
-								course_second_categoriess = item.children
+								course_second_categoriess = item.children?item.children:[]
 							})
 
 							this.setState({
@@ -460,11 +460,11 @@ class Fileslists extends Component{
   addDir = () => {
     let {filesId,course_modules,coursesecondcategoryid}=this.state;
 
-    //调用获取资源接口 刷新数据 
+    //调用获取资源接口 刷新数据
     this.setState({
 			checkBoxValues:[]
     })
-    
+
 		if(parseInt(this.props.match.params.main_id)!=parseInt(this.props.coursesids)){
 
 			trigger('attachmentAddlog', {id: parseInt(		course_modules&&course_modules.course_modules[0].value),name:'资源',coursesecondcategoryid:coursesecondcategoryid})
@@ -794,7 +794,7 @@ class Fileslists extends Component{
 			course_groupslist:id
 		})
   }
-  
+
 
   render(){
     let { searchValue,
@@ -830,6 +830,7 @@ class Fileslists extends Component{
     } = this.state;
     let category_id= this.props.match.params.category_id;
 
+
 		// console.log(this.state.course_groups)
     return(
         <React.Fragment >
@@ -1025,7 +1026,7 @@ class Fileslists extends Component{
                     </style>
                     <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">
+											{this.state.course_second_categories&&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>:""}
 
@@ -1037,14 +1038,14 @@ class Fileslists extends Component{
 
                       { course_modules&&course_modules.course_modules.map( (item,key) => {
 
-                        return   item.children.filter((item)=> {
+                        return   item.children&&item.children.filter((item)=> {
                           return (!this.state.dirSearchValue || item.name.indexOf(this.state.dirSearchValue) != -1)
                         }).map((itm,k)=>{
                           return(
                             <div className="bordboom">
                               <div className="bordboom" style={{display:'flex',marginTop:15,height:30}}>
                                 <div onClick={() => this.moveTos(itm.value )} style={{marginLeft:15,width:itm.title.length>13?200:undefined,color:'#000000',overflow: 'hidden',textOverflow:'ellipsis',whiteSpace: 'nowrap'}}>{itm.title}</div>
-                                 {itm.children.length===0?'':<i  style={{marginLeft:15,marginRight:15}} onClick={() => this.istowshow(itm,filesId)} className="iconfont icon-xiajiantou font-12 ml2"></i>} 
+                                 {itm.children.length===0?'':<i  style={{marginLeft:15,marginRight:15}} onClick={() => this.istowshow(itm,filesId)} className="iconfont icon-xiajiantou font-12 ml2"></i>}
                                 </div>
                                       { this.state.istowshowid===itm.value?
                                       itm.children.map((tt,ti) => {