diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index d10f09ff..48187bdc 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -177,8 +177,10 @@ class HomeworkAttachController < ApplicationController
     if User.current.admin? || User.current.member_of?(course)
       name = params[:homework_name]
       description = params[:homework_description]
+      project_id = params[:homework_attach][:project_id]
       @homework.name = name
       @homework.description = description
+      @homework.project_id = project_id
       if params[:attachments]
         @homework.save_attachments(params[:attachments])
       end
@@ -196,7 +198,7 @@ class HomeworkAttachController < ApplicationController
 
   def destroy
     #@homework = HomeworkAttach.find(params[:id])
-    if User.current.admin? || User.current == @homework
+    if User.current.admin? || User.current == @homework.user
       if @homework.destroy
         respond_to do |format|
           format.html { redirect_to project_for_bid_path @homework.bid }
diff --git a/app/helpers/homework_attach_helper.rb b/app/helpers/homework_attach_helper.rb
index 28bb48d3..4fbedb3a 100644
--- a/app/helpers/homework_attach_helper.rb
+++ b/app/helpers/homework_attach_helper.rb
@@ -54,4 +54,16 @@ module HomeworkAttachHelper
       raise RuntimeError, 'unknow type, Please input you type into this helper.'
     end
   end
+
+  def user_projects_option
+    projects = Project.where("id < 8")
+    type = []
+    projects.each do |project|
+      option = []
+      option <<  project.name
+      option <<  project.id
+      type << option
+    end
+    type
+  end
 end
\ No newline at end of file
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index f7104840..e5e3e005 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -42,11 +42,16 @@
 <div class="box" id="content1">
   <%= form_for(@homework) do |f|%>
     <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-      <strong>标  题：</strong>
+      <strong>标&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;题：</strong>&nbsp;
       <%= f.text_field :name, :required => true, :name => "homework_name", :size => 60, :style => "width:490px;"%>
     </p>
     <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-      <strong  style="vertical-align: top">描  述：</strong>
+        <strong>关联项目：</strong>
+        <%= f.select :project_id, options_for_select(user_projects_option),:name => "project_id", :required => true%>
+        <%= link_to '创建项目', new_project_path(course: 0, project_type: 0), :target => '_blank' %>
+    </p>
+    <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
+      <strong  style="vertical-align: top">描&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;述：</strong>&nbsp;
       <span style="margin-left:-10px;padding-right: 20px;">
         <%= f.text_area :description, :rows => 8, :name => "homework_description", :class => 'wiki-edit', :style => "font-size:small;width:490px;margin-left:10px;" %>
       </span>
diff --git a/db/migrate/20140617092219_add_project_id_to_homework_attach.rb b/db/migrate/20140617092219_add_project_id_to_homework_attach.rb
new file mode 100644
index 00000000..d18bf3c3
--- /dev/null
+++ b/db/migrate/20140617092219_add_project_id_to_homework_attach.rb
@@ -0,0 +1,5 @@
+class AddProjectIdToHomeworkAttach < ActiveRecord::Migration
+  def change
+    add_column :homework_attaches, :project_id, :integer, default: 0
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c8cf7128..b7de4e0b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140617013146) do
+ActiveRecord::Schema.define(:version => 20140617092219) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -348,12 +348,13 @@ ActiveRecord::Schema.define(:version => 20140617013146) do
   create_table "homework_attaches", :force => true do |t|
     t.integer  "bid_id"
     t.integer  "user_id"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
     t.string   "reward"
     t.string   "name"
     t.string   "description"
     t.integer  "state"
+    t.integer  "project_id",  :default => 0
   end
 
   create_table "homework_for_courses", :force => true do |t|
@@ -960,13 +961,11 @@ ActiveRecord::Schema.define(:version => 20140617013146) do
   end
 
   create_table "user_scores", :force => true do |t|
-    t.integer  "user_id",       :null => false
-    t.integer  "collaboration"
-    t.integer  "influence"
-    t.integer  "skill"
-    t.integer  "active"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
+    t.integer "user_id"
+    t.integer "collaboration"
+    t.integer "influence"
+    t.integer "skill"
+    t.integer "activity"
   end
 
   create_table "user_statuses", :force => true do |t|