调整

public/react/src/modules/courses/Video/VideoIndex.js

@@ -243,10 +243,9 @@ class VideoIndex extends Component{
 	}
   render(){
     const { videos , upload , videoData , type , liveData , lives , page , liveVisible , isSpining , liveId , otherLinkVisible,statistics } = this.state;
-    const { is_teacher } = this.props.user;
     const { coursesId , videoId }=this.props.match.params;
-
+    let course_identity = this.props&&this.props.coursedata;
-    const {course_identity} = this.props.coursedata;
+    let is_teacher = this.props&&this.props.user;
     const flag = parseInt(course_identity) < 5;
     const newOperation = flag;
     const new_upload = flag && (is_teacher && this.props.checkIfProfessionalCertification());