diff --git a/app/views/admin/homework.html.erb b/app/views/admin/homework.html.erb
index a3a64b316..03472d0a0 100644
--- a/app/views/admin/homework.html.erb
+++ b/app/views/admin/homework.html.erb
@@ -29,6 +29,7 @@
     <tbody>
       <%@count=@page*30 %>
       <% for homework in @homework do %>
+          <% unless homework.nil? %>
           <% @count+=1 %>
           <tr>
             <td align="center">
@@ -56,6 +57,7 @@
               <%=format_date( homework.created_at ) %>
             </td>
           </tr>
+          <% end %>
       <% end %>
     </tbody>
   </table>
diff --git a/app/views/student_work/_work_edit_information.html.erb b/app/views/student_work/_work_edit_information.html.erb
index 38e7e7c7e..057d305d5 100644
--- a/app/views/student_work/_work_edit_information.html.erb
+++ b/app/views/student_work/_work_edit_information.html.erb
@@ -4,9 +4,9 @@
     <p class="f14 mt5">
       <span class="fb">作品名称：</span><%=@student_work.name%>
     </p>
-    <div class="f14 mt5" style="max-width: 425px; color:#808181">
+    <div class="f14 mt5" style="max-width: 425px; color:#808181; max-height:300px; overflow: auto;">
       <div class="fb fl dis">作品描述：</div>
-      <div class="upload_img fl" style="max-width: 350px;"><%=@student_work.description.html_safe %></div>
+      <div class="upload_img fl" style="max-width: 330px;"><%=@student_work.description.html_safe %></div>
       <div class="cl"></div>
     </div>
     <p class="mt5">
diff --git a/app/views/student_work/_work_information.html.erb b/app/views/student_work/_work_information.html.erb
index 88684263a..1ced6c84c 100644
--- a/app/views/student_work/_work_information.html.erb
+++ b/app/views/student_work/_work_information.html.erb
@@ -4,9 +4,9 @@
     <p class="f14 mt5">
       <span class="fb">作品名称：</span><%=@student_work.name%>
     </p>
-    <div class="f14 mt5" style="max-width: 425px; color:#808181">
+    <div class="f14 mt5" style="max-width: 425px; color:#808181; max-height:300px; overflow: auto;">
       <div class="fb fl dis">作品描述：</div>
-      <div class="upload_img fl" style="max-width: 350px;"><%=@student_work.description.html_safe %></div>
+      <div class="upload_img fl" style="max-width: 330px;"><%=@student_work.description.html_safe %></div>
       <div class="cl"></div>
     </div>
     <p class="mt5">
diff --git a/db/migrate/20160405021915_delete_anonymous_work.rb b/db/migrate/20160405021915_delete_anonymous_work.rb
new file mode 100644
index 000000000..1677b248a
--- /dev/null
+++ b/db/migrate/20160405021915_delete_anonymous_work.rb
@@ -0,0 +1,19 @@
+class DeleteAnonymousWork < ActiveRecord::Migration
+  def up
+    student_works = StudentWork.where("homework_common_id = 2882").map{|work| work.id} unless StudentWork.where("homework_common_id = 2882").empty?
+    student_work_ids = "(" + student_works.join(",") + ")"
+    student_work_scores = StudentWorksScore.where("student_work_id in #{student_work_ids}")
+    unless student_work_scores.empty?
+      student_work_scores.each do |sscore|
+      student_work = StudentWork.find sscore.student_work_id
+      student_work.student_score = 0 unless student_work.nil?
+      student_work.absence_penalty = 0
+      sscore.destroy
+      student_work.save
+      end
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a3fb50eca..4e4201050 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,11 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
+<<<<<<< HEAD
 ActiveRecord::Schema.define(:version => 20160331063938) do
+=======
+ActiveRecord::Schema.define(:version => 20160405021915) do
+>>>>>>> c3ee4dadfb92c75e8649cad7e0ed57c2ec02ec00
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false