@ -198,7 +198,7 @@ function CourseGroupListTable(props) {
const dataSource = course_groups.map(item => {
return {
...item,
subStringOfMember_manager : item.member_manager.length > 92
subStringOfMember_manager : (item.member_manager && item.member_manager.length > 92)
? item.member_manager.substring(0, 92) + '...' : null
}
})