diff --git a/app/views/student_work/_choose_group_member.html.erb b/app/views/student_work/_choose_group_member.html.erb
index dc650cfa8..c47c31d9d 100644
--- a/app/views/student_work/_choose_group_member.html.erb
+++ b/app/views/student_work/_choose_group_member.html.erb
@@ -1,3 +1,4 @@
+<% if @homework.homework_detail_group %>
 <div id="popbox02">
   <div>
     <div class="relateText fl">请从<%= @homework.homework_detail_group.base_on_project == 1 ? '项目成员':'课程成员' %>中添加小组成员</div>
@@ -105,4 +106,5 @@
             <% end %>
         <% end %>
     });
-</script>
\ No newline at end of file
+</script>
+<% end %>
\ No newline at end of file