diff --git a/public/react/src/modules/courses/Resource/index.js b/public/react/src/modules/courses/Resource/index.js
index 6501716b7..c755efabd 100644
--- a/public/react/src/modules/courses/Resource/index.js
+++ b/public/react/src/modules/courses/Resource/index.js
@@ -905,7 +905,7 @@ class Fileslists extends Component{
                                 isAdmin={this.props.isAdmin()}
                                 isStudent={this.props.isStudent()}
                                 isNotMember={this.props.isNotMember()}
-                                checkBox={this.props.isAdmin()?<Checkbox value={item.id}></Checkbox>:""}
+                                checkBox={this.props.isAdmin()?<Checkbox value={item.id} key={item.id}></Checkbox>:""}
                                 Settingtypes={(id)=>this.Settingtypes(id)}
                                 coursesId={this.props.match.params.coursesId}
 																updatafiledfun={()=>this.updatafiled()}
diff --git a/public/react/src/modules/courses/boards/index.js b/public/react/src/modules/courses/boards/index.js
index 5bf5cadc7..94c8c4c00 100644
--- a/public/react/src/modules/courses/boards/index.js
+++ b/public/react/src/modules/courses/boards/index.js
@@ -428,7 +428,7 @@ class Boards extends Component{
                       <BoardsListItem 
                         {...this.props}
                         discussMessage={item}
-                        checkBox={ isAdmin ? <Checkbox value={item.id}></Checkbox> : ''}
+                        checkBox={ isAdmin ? <Checkbox value={item.id} key={item.id}></Checkbox> : ''}
                         onItemClick={this.onItemClick}
                         onSticky={this.onSticky}
                       ></BoardsListItem>
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkItem.js b/public/react/src/modules/courses/busyWork/CommonWorkItem.js
index bde311290..2610a7782 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkItem.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkItem.js
@@ -135,7 +135,7 @@ class CommonWorkItem extends Component{
             <div className="workList_Item">
               {
                 mainList && isAdmin &&
-                <span className="fl mr12"><Checkbox value={item.homework_id}></Checkbox></span>
+                <span className="fl mr12"><Checkbox value={item.homework_id} key={item.homework_id}></Checkbox></span>
               }
               <div className="flex1" onClick={() => this.props.onItemClick(Object.assign({}, item, {id: item.homework_id})) }>
                 <p className="clearfix mb20">
diff --git a/public/react/src/modules/courses/exercise/Exercise.js b/public/react/src/modules/courses/exercise/Exercise.js
index 5058b5719..4331bdc6f 100644
--- a/public/react/src/modules/courses/exercise/Exercise.js
+++ b/public/react/src/modules/courses/exercise/Exercise.js
@@ -560,7 +560,7 @@ class Exercise extends Component{
                                                     {...this.state}
                                                     item={item}
                                                     key={key}
-                                                    checkBox={<Checkbox value={item.id}
+                                                    checkBox={<Checkbox value={item.id} key={item.id} 
                                                                         // onClick={() => this.onItemClick(item)}
                                                     ></Checkbox>}
                                                 ></ExerciseListItem>
diff --git a/public/react/src/modules/courses/graduation/tasks/index.js b/public/react/src/modules/courses/graduation/tasks/index.js
index 0a4bd47b4..7bf9b690b 100644
--- a/public/react/src/modules/courses/graduation/tasks/index.js
+++ b/public/react/src/modules/courses/graduation/tasks/index.js
@@ -730,7 +730,7 @@ debugger
                       isAdmin={this.props.isAdmin()}
                       isStudent={this.props.isStudent()}
                       isNotMember={this.props.isNotMember()}
-                      checkBox={this.props.isAdmin()?<Checkbox value={item.task_id}></Checkbox>:""}
+                      checkBox={this.props.isAdmin()?<Checkbox value={item.task_id} key={item.task_id}></Checkbox>:""}
                       // onItemClick={this.onItemClick}
                       // onSticky={this.onSticky}
                       funlist={()=>this.fetchAll(search,page,order)}
diff --git a/public/react/src/modules/courses/graduation/topics/index.js b/public/react/src/modules/courses/graduation/topics/index.js
index 8ed3118b9..6dab02f07 100644
--- a/public/react/src/modules/courses/graduation/topics/index.js
+++ b/public/react/src/modules/courses/graduation/topics/index.js
@@ -411,7 +411,7 @@ onBoardsNew=()=>{
                               {...this.props}
                               discussMessage={item}
                               data={data}
-                              checkBox={<Checkbox value={item.id} onClick={() => this.onItemClick(item)} className="mr15"></Checkbox>}
+                              checkBox={<Checkbox value={item.id} key={item.id} onClick={() => this.onItemClick(item)} className="mr15"></Checkbox>}
                               onItemClick={this.onItemClick}
                               index={index}
                               chooseTopic={this.chooseTopic}
diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index c073abf4f..acffd8ef4 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -17,19 +17,6 @@ import DownloadMessageysl from "../../modals/DownloadMessageysl";
 import CreateGroupByImportModal from './modal/CreateGroupByImportModal'
 
 const Search =Input.Search;
-const dataSource = [{
-  check:<Checkbox></Checkbox>,
-  id: <span className="color-grey-6">1</span>,
-  name: <a href="javascript:void(0)"className="color-grey-3">胡莎莎</a>,
-  StuNo: <span className="color-grey-9">32</span>,
-  classes: <span className="color-grey-3 task-hide classesName">西湖区湖底公园1号</span>
-}, {
-  check:<Checkbox></Checkbox>,
-  id: <span className="color-grey-6">2</span>,
-  name: <a href="javascript:void(0)"className="color-grey-3">胡莎莎</a>,
-  StuNo: <span className="color-grey-9">32</span>,
-  classes: <span className="color-grey-3 task-hide classesName">西湖区湖底公园2号</span>
-}];
 
 const buildColumns = (that) => {
   const { course_groups } = that.state
@@ -100,7 +87,7 @@ const buildColumns = (that) => {
     dataIndex: 'check',
     key: 'check',
     render: (text, item) => {
-      return <Checkbox value={item.course_member_id}></Checkbox>
+      return <Checkbox value={item.course_member_id} key={item.course_member_id} ></Checkbox>
     },
     width:"5%"
   })
@@ -280,6 +267,7 @@ class studentsList extends Component{
   }
   componentDidUpdate(prevProps) {
     if (prevProps.match.params.course_group_id != this.props.match.params.course_group_id) {
+      this.setState({checkBoxValues: []})
       this.fetchAll(1)
     } 
     // 加载了2次