diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index e08e50e80..1fd1646b8 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -441,7 +441,7 @@ module CoursesHelper
   def homework_user_of_homework homework,is_teacher
     homework_users = ""
     homework.users.each do |user|
-      homework_users = homework_users + (is_teacher ? (user.firstname + user.lastname) : user.login)
+      homework_users = homework_users + (is_teacher ? (user.lastname + user.firstname) : user.login)
       if user != homework.users.last
         homework_users = homework_users + "、"
       end
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index 6d3a2adcc..6d1581820 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -28,7 +28,7 @@
 		<tr>
 			<td style="vertical-align: top;width: 70px" >
               <table style="text-align: center;width: 100%;table-layout: fixed">
-                <% user_name = is_teacher ? (homework.user.firstname + homework.user.lastname) : homework.user.login %>
+                <% user_name = is_teacher ? (homework.user.lastname + homework.user.firstname) : homework.user.login %>
                 <tr>
                   <td title="<%= user_name  %>"><%= image_tag(url_to_avatar(homework.user), :class => "avatar")%></td>
                 </tr>