diff --git a/public/react/src/modules/courses/members/studentsList.js b/public/react/src/modules/courses/members/studentsList.js
index 26fa8984e..07c828d5b 100644
--- a/public/react/src/modules/courses/members/studentsList.js
+++ b/public/react/src/modules/courses/members/studentsList.js
@@ -462,9 +462,9 @@ class studentsList extends Component{
       checkBoxValues,
       checkAllValue
     }=this.state;
-    let currentOrderName = '学生学号'
+    let currentOrderName = '学生学号排序'
     if (order == ORDER_BY_GROUP) {
-      currentOrderName = '分班名称'
+      currentOrderName = '分班名称排序'
     } 
     const { coursesids } = this.props
     const course_group_id = this.props.match.params.course_group_id
@@ -625,12 +625,18 @@ class studentsList extends Component{
                     }
                   </ul>
                 </li>}
+                
                 <li className="drop_down">
-                  {currentOrderName}<i className="iconfont icon-xiajiantou font-12 ml2"></i>
-                  <ul className="drop_down_normal">
-                    <li onClick={() => this.onSortTypeChange(ORDER_BY_NUM)} >学生学号</li>
-                    <li onClick={() => this.onSortTypeChange(ORDER_BY_GROUP)} >分班名称</li>
+                  {currentOrderName}
+                  { course_groups && !!course_groups.length && 
+                  <React.Fragment>
+                  <i className="iconfont icon-xiajiantou font-12 ml2"></i>
+                  <ul className="drop_down_normal" style={{width: '124px'}}>
+                    <li onClick={() => this.onSortTypeChange(ORDER_BY_NUM)} >学生学号排序</li>
+                    <li onClick={() => this.onSortTypeChange(ORDER_BY_GROUP)} >分班名称排序</li>
                   </ul>
+                  </React.Fragment>
+                   }
                 </li>
               </div>
             </div>