diff --git a/public/react/src/modules/courses/busyWork/UseBank.js b/public/react/src/modules/courses/busyWork/UseBank.js
index de9193fd9..50838adc1 100644
--- a/public/react/src/modules/courses/busyWork/UseBank.js
+++ b/public/react/src/modules/courses/busyWork/UseBank.js
@@ -11,7 +11,7 @@ import NoneData from '../coursesPublic/NoneData'
 
 const Search=Input.Search;
 const pageCount = 20
-// "poll", #normal 普通作业题库； group 分组作业题库； poll问卷题库； exercise试卷题库; gtask 毕设选题题库；gtopic 毕设任务 
+// "poll", #normal 普通作业题库； group 分组作业题库； poll问卷题库； exercise试卷题库; gtask 毕设选题题库；gtopic 毕设任务
 const engNameMap = {
   poll: '问卷',
   normal: '普通作业',
@@ -37,7 +37,7 @@ class UseBank extends Component{
   componentDidMount() {
     console.log("UseBank");
     console.log(this.props);
-    
+
   }
   onCheckBoxChange = (checkBoxValues) => {
     this.setState({
@@ -51,10 +51,10 @@ class UseBank extends Component{
   }
   fetchAll = (arg_page) => {
     console.log('fetchAll')
-    const courseId = this.props.match.params.coursesId    
+		const courseId = this.props.match.params.coursesId
     const page = arg_page || this.state.page;
     const { nav_my, search } = this.state
-    /** 
+		/**
      normal 普通作业题库； group 分组作业题库； poll问卷题库； exercise试卷题库; gtask 毕设选题题库；gtopic 毕设任务
      filter		string	public公共题库 2， myself我的题库 1
     */
@@ -142,11 +142,11 @@ class UseBank extends Component{
     this.setState({
       hometypepvisible:true
     })
-    const courseId = this.props.match.params.coursesId    
+		const courseId = this.props.match.params.coursesId
     let url = `/question_banks/save_banks.json`
     this.setState({ loading: true })
     axios.post(url
-      ,{ 
+			, {
         "object_type": object_type,
         "bank_id": checkBoxValues,
         "course_id": courseId
@@ -167,7 +167,7 @@ class UseBank extends Component{
           hometypepvisible:false,
 					checkBoxValues:[]
         })
-        this.props.showNotification(response.data.message)        
+				this.props.showNotification(response.data.message)
       }
     })
     .catch( (error) =>{
@@ -224,7 +224,7 @@ class UseBank extends Component{
         Margin-left:15px
         }
         .with63{
-        width: 63% !important;
+        width: 52% !important;
         box-sizing: border-box;
         margin-left: 15px;
         }
@@ -267,14 +267,14 @@ class UseBank extends Component{
                 ></Search>
               </div>
               {
-                object_list && object_list.length == 0 && page == 1 ? "" : nav_my==='myself'? 
+								object_list && object_list.length == 0 && page == 1 ? "" : nav_my === 'myself' ?
                 <p className="color-grey-6 mb25 edu-txt-center">选用对象：你在课堂{engNameMap[object_type]}列表中已<span className="color-orange-tip">“加入题库”</span>的{engNameMap[object_type]}</p>
                 :
                 <p className="color-grey-6 mb25 edu-txt-center">选用对象：题库中已设置成公共属性的所有{engNameMap[object_type]}</p>
               }
-              
+
               {
-                nav_my !='myself' && is_teacher == false ? 
+								nav_my != 'myself' && is_teacher == false ?
                 <div style={{"height":"230px"}} className="d_middle edu-txt-center">
                   <div>
                     <p className="font-16 mb20 color-grey-3">通过职业认证的教师才能访问公共题库</p>
@@ -296,7 +296,7 @@ class UseBank extends Component{
                   >
                     <Checkbox.Group style={{ width: '100%' }} onChange={this.onCheckBoxChange} value={checkBoxValues}>
                     { object_list && object_list.map( item => {
-                      /** 
+											/**
                         course_list_name: "C++程序设计"
                         id: 3889
                         name: "作业3：第四章 控制结构 "
@@ -313,7 +313,7 @@ class UseBank extends Component{
 
 													>{item.course_list_name}</span>
                           {
-                            nav_my==='public' && 
+														nav_my === 'public' &&
                             <span className="fl with16 color-grey-6 task-hide pl10">{item.username}</span>
                           }
 													{nav_my === "myself" ?
@@ -345,15 +345,15 @@ class UseBank extends Component{
                       <span className="fl with45"><label className="task-hide fl" style={{"maxWidth":"208px;"}}>毕业设计2018开题报告题报</label></span>
                       <span className={nav_my===1?"fl with50 color-grey-6 task-hide pl5":"fl with30 color-grey-6 task-hide pl5"}>数据库原理数据库原理</span>
                       {
-                        nav_my===2 && 
+                        nav_my===2 &&
                         <span className="fl with16 color-grey-6 task-hide pl10">胡莎莎胡莎莎</span>
                       }
                     </p> */}
                   </InfiniteScroll>
-                </div> 
+								</div>
               }
-              
-              <p style={{height:"20px",lineHeight:"20px;", marginTop: '4px'}}>
+
+							<p style={{height:"20px",lineHeight:"20px;", marginTop: '4px'}}>
               {
                 isChecked !="" ? <span className="color-red">{isChecked}</span>:""
               }
@@ -376,4 +376,4 @@ class UseBank extends Component{
     )
   }
 }
-export default UseBank;
\ No newline at end of file
+export default UseBank;