diff --git a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
index 0f84980bc..e6bda13be 100644
--- a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
+++ b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
@@ -101,16 +101,16 @@ class Signinstatistics extends Component {
             {
               `
               .lishiqiandao{
-                background-image: url(${getImageUrl(`/images/qiandao/lishi.png`)});
+                background-image: url(${getImageUrl(`images/qiandao/lishi.png`)});
               }
                   .daokeqiandao{
-                background-image: url(${getImageUrl(`/images/qiandao/daoke.png`)});
+                background-image: url(${getImageUrl(`images/qiandao/daoke.png`)});
               }
                   .kuangkeqiandao{
-                background-image: url(${getImageUrl(`/images/qiandao/kuangke.png`)});
+                background-image: url(${getImageUrl(`images/qiandao/kuangke.png`)});
               }
                   .qingjiaqiandao{
-                background-image: url(${getImageUrl(`/images/qiandao/qingjia.png`)});
+                background-image: url(${getImageUrl(`images/qiandao/qingjia.png`)});
               }
               `
             }
diff --git a/public/react/src/modules/courses/signin/student/Signedinlist.js b/public/react/src/modules/courses/signin/student/Signedinlist.js
index e5015a359..490788356 100644
--- a/public/react/src/modules/courses/signin/student/Signedinlist.js
+++ b/public/react/src/modules/courses/signin/student/Signedinlist.js
@@ -35,31 +35,36 @@ class Signedinlist extends Component {
   }
 
   componentDidMount() {
-    let {attendanceslist}=this.state;
-    if(this.props.headdata){
-      let listattendanceslist=attendanceslist;
-      if(this.props.headdata.course_groups){
-
-        if(this.props.headdata.course_groups.length>0){
-          this.props.headdata.course_groups.map((item,key)=>{
-            listattendanceslist.push(item)
-          })
-        }
-      }
-      this.setState({
-        listattendanceslist:listattendanceslist,
-        data:this.props.headdata,
-        course_members_count:this.props.headdata.all_count,
-        attendance_count:this.props.headdata.normal_count
-      })
-    }
-
 
 
     this.getdatas(this.props&&this.props.switattendance_id,1,[],undefined)
     // this.getpath()
   }
+  componentDidUpdate(prevProps, prevState) {
+    if(prevProps.headdata!=this.props.headdata){
+      console.log(this.props.headdata)
+      let {attendanceslist}=this.state;
+      if(this.props.headdata){
+        let listattendanceslist=attendanceslist;
+        if(this.props.headdata.course_groups){
+
+          if(this.props.headdata.course_groups.length>0){
+            this.props.headdata.course_groups.map((item,key)=>{
+              listattendanceslist.push(item)
+            })
+          }
+        }
+        this.setState({
+          listattendanceslist:listattendanceslist,
+          data:this.props.headdata,
+          course_members_count:this.props.headdata.all_count,
+          attendance_count:this.props.headdata.normal_count
+        })
+      }
+
 
+    }
+  }
   getdatas=(id,page,group_ids,attendance_status)=>{
     this.setState({
       loading:true,