no message

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

@@ -706,7 +706,7 @@ class studentsList extends Component{
             <React.Fragment>
               <span>
                 <Tooltip title="返回">
-                  <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${coursesids}/course_groups`)}}
+                  <i className="icon-zuojiantou iconfont font-14" onClick={() => { this.props.history.push(`/courses/${courseId}/course_groups`)}}
                     style={{color: '#212121', verticalAlign: 'initial', marginRight: '14px' }}
                   ></i>
                 </Tooltip>{course_group_name || '未分班'}</span>