Merge remote-tracking branch 'origin/dev_aliyun' into dev_aliyun

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

@@ -557,6 +557,7 @@ class studentsList extends Component{
     })
     if (response && response.data.status == 0) {
       this.props.showNotification('加入成功')
+      this.props.updataleftNavfun()
       this.fetchAll()
     }
   }