b

public/react/src/modules/courses/css/members.css

@@ -77,4 +77,11 @@
 
 .yslminheigths{
   min-height: 21px;
+}
+.maxnamewidth288{
+  max-width: 288px;
+  overflow:hidden;
+  text-overflow:ellipsis;
+  white-space:nowrap;
+  cursor: default;
 }

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

@@ -520,11 +520,8 @@ class studentsList extends Component{
     let exportUrlthree = `/courses/${courseId}/export_member_act_score.xlsx?`; //活跃度
 
     const params = {}
-    if (checkBoxValues) {
+    if (course_group_id) {
-      if(course_group_id){
         params.group_id = course_group_id
-      }
-
     }
     if (searchValue) {
       searchValue = searchValue.trim()