diff --git a/public/react/src/modules/courses/signin/student/Signedinlist.js b/public/react/src/modules/courses/signin/student/Signedinlist.js
index 16e4c3865..5885e8a67 100644
--- a/public/react/src/modules/courses/signin/student/Signedinlist.js
+++ b/public/react/src/modules/courses/signin/student/Signedinlist.js
@@ -14,7 +14,7 @@ class Signedinlist extends Component {
       limit:5,
       page:1,
       loading:false,
-      attendanceslist:[{id:undefined,name:"全部分班"}],
+      attendanceslist:[],
       data:null,
       group_ids:[],
       members_count:0,
@@ -42,9 +42,9 @@ class Signedinlist extends Component {
   componentDidUpdate(prevProps, prevState) {
     if(prevProps.headdata!=this.props.headdata){
 
-      let {attendanceslist}=this.state;
       if(this.props.headdata){
-        let listattendanceslist=attendanceslist;
+        let listattendanceslist=[];
+        listattendanceslist.push({id:undefined,name:"全部分班"})
         if(this.props.headdata.course_groups){
 
           if(this.props.headdata.course_groups.length>0){
@@ -54,7 +54,7 @@ class Signedinlist extends Component {
           }
         }
         this.setState({
-          listattendanceslist:listattendanceslist,
+          attendanceslist:listattendanceslist,
           data:this.props.headdata,
           course_members_count:this.props.headdata.normal_count,
           attendance_count:this.props.headdata.all_count
@@ -126,7 +126,7 @@ class Signedinlist extends Component {
     let url=`/weapps/attendances/${this.props&&this.props.switattendance_id}.json`;
     axios.get(url).then((response) => {
       if(response.data){
-
+        listattendanceslist.push({id:undefined,name:"全部分班"})
         if(response.data.course_groups.length>0){
           response.data.course_groups.map((item,key)=>{
             listattendanceslist.push(item)
@@ -149,7 +149,7 @@ class Signedinlist extends Component {
           })
         }
         this.setState({
-          listattendanceslist:listattendanceslist,
+          attendanceslist:listattendanceslist,
           data:response.data
         })