邀请码

public/react/src/modules/courses/members/studentsList.js

@@ -320,6 +320,9 @@ class studentsList extends Component{
     isAdmin && on('updateNavSuccess', this.updateNavSuccess)
   }
   componentWillUnmount() {
+    if (this.clipboard) {
+      this.clipboard.destroy()
+    }
     const isAdmin = this.props.isAdmin()
     if (isAdmin) {
       off('addStudentSuccess', this.addStudentSuccessListener)
@@ -420,6 +423,7 @@ class studentsList extends Component{
           invite_code: result.data.invite_code,
            isSpin:false
         }, () => {
+          if (course_group_id) {
             if (!this.clipboard) {
               const clipboard = new ClipboardJS('.copybtn');
               clipboard.on('success', (e) => {
@@ -427,6 +431,7 @@ class studentsList extends Component{
               });
               this.clipboard = clipboard
             }
+          }
         })
       }
     }).catch((error)=>{