diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index d5bbd6586..66ccfc8c0 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -85,7 +85,8 @@ class StudentWorkController < ApplicationController
       @score.comment = params[:new_form][:user_message] if params[:new_form] && params[:new_form][:user_message] && params[:new_form][:user_message] != ""
       @score.user_id = User.current.id
       @score.student_work_id = @work.id
-      @score.reviewer_role = 1
+      role = User.current.members.where("course_id = ?",@course.id).first.roles.first.name
+      @score.reviewer_role = get_role_by_name(role)
       @is_new = true
     end
 
diff --git a/app/helpers/student_work_helper.rb b/app/helpers/student_work_helper.rb
index 20a85f19e..94da5f152 100644
--- a/app/helpers/student_work_helper.rb
+++ b/app/helpers/student_work_helper.rb
@@ -31,9 +31,23 @@ module StudentWorkHelper
       when 1
         role = "教师"
       when 2
-        role = "教辅"
+        role = "助教"
       when 3
         role = "学生"
     end
   end
+
+  def get_role_by_name role
+    case role
+      when "Teacher"
+        result = 1
+      when "Manager"
+        result = 1
+      when "TeachingAsistant"
+        result = 2
+      when "Student"
+        result = 3
+    end
+    result
+  end
 end
\ No newline at end of file
diff --git a/app/views/student_work/_show.html.erb b/app/views/student_work/_show.html.erb
index fae1c1e89..ab41eda65 100644
--- a/app/views/student_work/_show.html.erb
+++ b/app/views/student_work/_show.html.erb
@@ -38,7 +38,7 @@
 </ul>
 
 <div class="ping_box" id="score_list_<%= @work.id%>">
-  <%@work.student_works_scores.each do |score|%>
+  <%@work.student_works_scores.order("created_at desc").each do |score|%>
       <div id="work_score_<%= score.id%>">
         <%= render :partial => 'student_work_score',:locals => {:score => score}%>
       </div>