diff --git a/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js b/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
index 074bab663..e7f3ae5c7 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunStudentWork.js
@@ -416,6 +416,7 @@ class ShixunStudentWork extends Component {
 		axios.get(url).then((response) => {
 
 			if(response.status===200){
+				const dataformat = 'YYYY-MM-DD HH:mm';
 				let starttime= this.props.getNowFormatDates(1);
 				let endtime=this.props.getNowFormatDates(2);
 				this.setState({
diff --git a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
index 57a51241e..f211b4a1d 100644
--- a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
+++ b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
@@ -157,6 +157,7 @@ class Workquestionandanswer extends Component {
 		axios.get(url).then((response) => {
 
 			if (response.status === 200) {
+				const dataformat = 'YYYY-MM-DD HH:mm';
 				let starttime = this.props.getNowFormatDates(1);
 				let endtime = this.props.getNowFormatDates(2);
 				this.setState({